CN118310715A - Underwater two-phase supercharging propelling visual measurement device and system - Google Patents

Abstract

The invention provides an underwater two-phase supercharging propelling visual measurement device and system, wherein the device comprises: the test water tank is provided with an air inlet, a water inlet and a water outlet; the two-phase supercharging propelling structure is respectively connected with the test water tank at two sides in the axial direction and is provided with an inlet end and an outlet end, and the inlet end is communicated with the air inlet; and the visual measurement structure comprises a first measurement part, wherein the first measurement part comprises a laser light source, a trace particle source, a high-speed camera and a movable warm-pressing measurement part, the laser light source is arranged near the outer end part of the test water tank, the trace particle source is arranged in the test water tank and near the inlet end, and the high-speed camera is arranged outside the test water tank and corresponds to the outlet end. The invention provides an underwater two-phase supercharging propulsion visual measurement device and system, which aim to solve the problem of inconvenient measurement of working parameters of an underwater two-phase supercharging propulsion structure in the prior art.

Description

Underwater two-phase supercharging propelling visual measurement device and system

Technical Field

The invention relates to the technical field of ship power equipment, in particular to an underwater two-phase supercharging propulsion visual measurement device and system.

Background

The common ocean platform power propulsion system comprises a propeller propulsion device, a power generation and distribution device, an electric power conversion device and other complicated power conversion devices and auxiliary systems, has the problems of large volume occupation ratio, large vibration noise, low reliability and the like, particularly in a high-speed sailing working condition, the efficiency of the propeller is obviously reduced due to cavitation and other phenomena, the safety and reliability are greatly threatened, and the improvement of core performance indexes such as effective load, maneuverability, noise, reliability and the like of the ocean platform is limited. The development of a novel power system with high power density, high reliability and low noise is a necessary requirement for developing a new generation of advanced underwater vehicles.

British burst MARINE DRIVE ltd. Company first proposed the conceptual design of the pressurized propeller of gas-liquid, utilize the high-pressure gas to draw the low pressure to superpose the water, change the latent heat of steam into the pressure energy in order to realize the pressure boost, achieve the purpose of propelling, have realized the new underwater propulsion mode that will steam latent heat is directly converted into the propulsion kinetic energy. On one hand, the dependence of the underwater vehicle on the propeller is eliminated, and a large number of mechanical transmission parts are reduced; on the other hand, the noise spectrum of the gas-liquid condensation boosting propulsion is random, and the influence of characteristic line spectrum noise generated by cavitation of the propeller on the stealth of the propeller can be eliminated. Compared with the traditional propeller propulsion technology, the novel gas-liquid condensation boosting propulsion technology has the advantages of simple structure, high power density, low noise, high reliability and the like. Because the gas-liquid boosting propulsion device belongs to a novel propulsion device, the underwater steam-water two-phase flow field is complex, the working condition changes severely, and a mature testing means and a testing method are lacked.

Disclosure of Invention

The invention provides a device and a system for measuring simulated water depth two-phase supercharging, and aims to solve the problem that the working parameters of an underwater two-phase supercharging propulsion structure are inconvenient to measure in the prior art.

Aiming at the problems existing in the prior art, the embodiment of the invention provides an underwater two-phase supercharging propelling visual measuring device, which comprises:

The test water tank is arranged in a transparent mode, an air inlet, a water inlet and a water outlet are formed in the test water tank, and the air inlet is used for introducing steam;

The two-phase supercharging propelling structure is arranged in the test water tank, two sides of the two-phase supercharging propelling structure in the axial direction are respectively connected with the test water tank, the two-phase supercharging propelling structure is provided with an inlet end and an outlet end, and the inlet end is communicated with the air inlet; and

The utility model provides a visual measurement structure, includes first measuring part, first measuring part includes laser light source, tracer particle source, high-speed camera and activity warm-pressing measurement portion, laser light source is close to the outer tip setting of experimental water tank, the tracer particle source is located in the experimental water tank and be close to the entry end sets up, high-speed camera locates outside the experimental water tank and correspond the exit end sets up, activity warm-pressing measurement portion activity is located in the experimental water tank is used for being close to or keep away from measure temperature and pressure in the activity stroke of exit end.

According to the underwater two-phase supercharging propelling visual measuring device provided by the invention, the movable temperature and pressure measuring part comprises a driving motor, a connecting rod, a mounting seat, a first temperature sensor and a first pressure sensor, one end of the connecting rod stretches into the test water tank, the other end of the connecting rod is positioned outside the test water tank and is in transmission connection with the driving motor, the mounting seat is arranged at the end part of the connecting rod, the first temperature sensor and the first pressure sensor comprise a plurality of first temperature sensors, and each first temperature sensor and each first pressure sensor are respectively arranged at the periphery of the mounting seat.

According to the underwater two-phase supercharging propulsion visual measurement device provided by the invention, the visual measurement structure further comprises a second measurement piece, the second measurement piece comprises an electric cylinder, a transmission shaft, a first force transducer, a second force transducer and a standard force transducer, one end of the transmission shaft stretches into the test water tank and is in transmission connection with the outlet end, the other end of the transmission shaft is positioned outside the test water tank and is in transmission connection with the electric cylinder, the first force transducer and the second force transducer are respectively arranged on two sides of the two-phase supercharging propulsion structure in the axial direction, and the standard force transducer is used for measuring the thrust exerted by the transmission shaft to the two-phase supercharging propulsion structure.

According to the underwater two-phase supercharging propelling visual measuring device provided by the invention, the test water tank comprises the mounting bracket, the mounting bracket is arranged in the test water tank, and two sides of the two-phase supercharging propelling structure in the axial direction are respectively connected with the mounting bracket, so that the two-phase supercharging propelling structure is horizontally arranged, and the central axis extends along the central axis direction of the test water tank.

According to the underwater two-phase supercharging propelling visual measuring device provided by the invention, the mounting bracket comprises the base and a plurality of brackets arranged on the base, a plurality of lugs are arranged on the periphery of the two-phase supercharging propelling structure, the base is used for bearing the two-phase supercharging propelling structure, and the lugs are correspondingly connected with the brackets so as to enable the two-phase supercharging propelling structure to be horizontally arranged.

According to the underwater two-phase supercharging propelling visual measuring device provided by the invention, the measuring structure further comprises a transmission piece, the transmission piece comprises two transmission plates which are arranged in a crossing manner, the transmission piece is arranged at the outlet end, and the end part of the transmission shaft is abutted with the transmission piece.

According to the underwater two-phase supercharging propelling visual measuring device provided by the invention, the inlet end is provided with the connecting pipe, and the connecting pipe is communicated with the air inlet through the metal hose.

According to the underwater two-phase supercharging propelling visual measuring device provided by the invention, the test water tank is also provided with the circulating water inlet and the circulating water outlet, a circulating pipeline is arranged between the circulating water inlet and the circulating water outlet, and the circulating pipeline is provided with the circulating pump.

The invention also provides an underwater two-phase supercharging propelling visual measurement system, which comprises:

The steam generating device comprises a steam generator, a steam buffer tank, a regulating valve, a check valve and a mixing tank;

the supercharging adjusting device comprises a second air compressor and a non-condensable gas buffer tank, one outlet of the non-condensable gas buffer tank is communicated with the mixing tank, and the other outlet of the non-condensable gas buffer tank is communicated with the atmosphere;

The underwater two-phase supercharging propulsion visual measurement device is an underwater two-phase supercharging propulsion visual measurement device according to any one of the above, and an air inlet of the underwater two-phase supercharging propulsion visual measurement device is communicated with an outlet of the mixing tank; and

And the control device is electrically connected with the steam generating device, the pressurizing adjusting device and the underwater two-phase pressurizing propulsion visual measuring device.

According to the underwater two-phase supercharging propelling visual measurement system provided by the invention, a second temperature sensor and a second pressure sensor are further arranged between the steam buffer tank and the regulating valve, and the second temperature sensor and the second pressure sensor are electrically connected with the control device.

According to the underwater two-phase supercharging propulsion visual measuring device, working media can be introduced into the two-phase supercharging propulsion structure through the air inlet, and the working state of the two-phase supercharging propulsion structure under water can be intuitively observed by combining the test water tank, the laser light source, the trace particle source and the high-speed camera. Further, the temperature and pressure of each underwater point can be movably measured through the movable temperature and pressure measuring part, and further the working parameters of the two-phase supercharging propulsion structure can be intuitively known.

Drawings

In order to more clearly illustrate the invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the underwater two-phase supercharging propelling visual measurement system provided by the invention;

FIG. 2 is a schematic structural view of the underwater two-phase supercharging propelling visual measuring device;

FIG. 3 is a schematic diagram of the two-phase booster propulsion structure of FIG. 2;

FIG. 4 is a schematic end view of the test tank of FIG. 2;

fig. 5 is a schematic structural diagram of the active temperature and pressure test part in fig. 2.

Reference numerals: 1: a steam generator; 2: a steam buffer tank; 3: an air compressor; 4: a non-condensable gas buffer tank; 5: a mixing tank; 6: a regulating valve; 7: a check valve; 8: a non-condensable gas evacuation port; 9: a water storage tank; 10: a water supplementing pump; 11: a test water tank; 12: a draining pump; 13: a safety valve; 14: a circulation pump; 15: a second temperature sensor; 16: a second pressure sensor; 17: a console; 18: a data acquisition module; 19: a left cover plate; 20: a right cover plate; 21: moving the temperature and pressure measuring part; 22: a connecting rod; 23: a mounting base; 24: a base; 25: a transmission shaft; 26: a front bracket; 27: a rear bracket; 28: an air inlet; 29: a two-phase pressurized propulsion structure; 30: a support lug; 31: a first load cell; 32: a transmission member; 33: a standard force sensor; 34: a metal hose; 35: a small flange cover; 36: a bidirectional circular flange; 37: an electric cylinder; 38: a first temperature sensor; 39: a first pressure sensor; 40: a cooler; 41: a laser light source; 42: a trace particle source; 43: a high speed camera.

Detailed Description

Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In describing embodiments of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present invention will be understood in detail by those of ordinary skill in the art.

In embodiments of the invention, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The underwater two-phase supercharging propelling visual measuring device and system provided by the invention are described below with reference to fig. 1-5.

The two-phase supercharging propulsion device has the outstanding advantages of simple and compact structure, no moving parts, high reliability and the like, is a novel ship propulsion device, but the current two-phase supercharging propulsion device has no mature performance test method, and prevents the further optimal design and popularization and application. In view of this, referring to fig. 2-5, an embodiment of the present invention provides an underwater two-phase pressurizing propulsion visualization measuring device, which includes a test water tank 11, a two-phase pressurizing propulsion structure 29, and a visualization measuring structure.

The test water tank 11 is transparent, and the inside condition is conveniently observed, and the material is transparent quartz glass or ya keli material. The test water tank 11 is provided with an air inlet 28, a water inlet and a water outlet, the water inlet is used for injecting fluid into the test water tank 11, and the water outlet is used for discharging fluid. The air inlet 28 can be used for introducing working medium into the two-phase supercharging propelling structure 29, and the simulation of the ship working environment can be realized by injecting fluid into the test water tank 11, so that the working simulation of the two-phase supercharging propelling structure 29 can be performed in the test water tank 11.

The two-phase supercharging propulsion structure 29 is arranged in the test water tank 11, two sides of the two-phase supercharging propulsion structure 29 in the axial direction are respectively connected with the test water tank 11, and the connection with the test water tank 11 is mainly used for installing and fixing the two-phase supercharging propulsion structure 29. The two-phase boost propulsion structure 29 has an inlet end in communication with the air inlet 28 for the passage of steam and an outlet end, which is the working end, for generating a propulsion air flow.

The visual measuring structure comprises a first measuring member comprising a laser light source 41, a tracer particle source 42, a high speed camera 43 and a movable temperature and pressure measuring section 21. The laser light source 41 is arranged close to the outer end of the test water tank 11, the trace particle source 42 is arranged in the test water tank 11 and close to the inlet end, and the high-speed camera 43 is arranged outside the test water tank 11 and corresponds to the outlet end. It should be noted that, when the two-phase booster propulsion structure 29 works, a flow field is generated in water, and the trace particles are moved and diffused under the action of the flow field. The laser source 41 is used for providing illumination, and the high-speed camera 43 can shoot the movement track of particles, so that the visual measurement of the propulsion flow field of the two-phase supercharging propulsion structure 29 can be realized. Further, the movable temperature and pressure measuring part 21 is movably arranged in the test water tank 11 and has a movable travel close to or far from the outlet end, so that the temperature and pressure of each point under water can be movably measured, and the working parameters of the two-phase supercharging propelling structure 29 can be intuitively known.

Referring to fig. 5, in an alternative embodiment, the movable temperature and pressure measuring part 21 includes a driving motor, a connecting rod 22, a mounting base 23, a first temperature sensor 38, and a first pressure sensor 39. One end of the connecting rod 22 extends into the test water tank 11, and the other end is positioned outside the test water tank 11 and is in transmission connection with a driving motor which can drive the connecting rod 22 to move so as to be close to or far away from the outlet end. The mounting seat 23 is provided at an end of the connecting rod 22, and the mounting seat 23 is used for mounting the first temperature sensor 38 and the second temperature sensor 15. In order to obtain a more comprehensive measurement result, the first temperature sensor 38 and the first pressure sensor 39 include a plurality of first temperature sensors 38 and first pressure sensors 39, respectively, which are disposed on the circumferential side of the mounting seat 23. The mounting base 23 may be a common mounting base 23, for example, a rectangular parallelepiped, and a pair of the first temperature sensor 38 and the first pressure sensor 39 may be mounted on each of six faces thereof. In the present embodiment, the mount 23 is provided in a cross shape having four ends, each of which is provided with one first temperature sensor 38 and one first pressure sensor 39, so as to measure the temperature and pressure of the water from four directions. It should be noted that, the test water tank 11 is further provided with a safety valve 13, and when the pressure value detected by the first pressure sensor 39 exceeds the critical value, the safety valve 13 can be opened for air release to ensure the safety of the experiment.

Further, the thrust of the two-phase booster propulsion structure 29 during operation is also the pain point of the test. In the technical scheme provided by the invention, the underwater visual measurement structure further comprises a second measurement part, wherein the second measurement part comprises an electric cylinder 37, a transmission shaft 25, a first force transducer 31, a second force transducer and a standard force transducer 33, one end of the transmission shaft 25 extends into the test water tank 11 and is in transmission connection with the outlet end, the other end of the transmission shaft 25 is positioned outside the test water tank 11 and is in transmission connection with the electric cylinder 37, and the first force transducer 31 and the second force transducer are respectively arranged on two sides of the two-phase supercharging propulsion structure 29 in the axial direction.

It should be noted that the second measuring element includes a calibration stage and a testing stage when in use. In the calibration stage, the transmission shaft 25, the electric cylinder 37 and the standard force sensor 33 are arranged on the test water tank 11, and the test water tank 11 is kept sealed; during the test phase, the drive shaft 25, the electric cylinder 37 and the standard force sensor 33 are withdrawn from the test tank 11. Specifically, during the calibration phase, different working conditions, such as ventilation, non-ventilation, water ventilation or non-water ventilation, are simulated, pressure is applied to the outlet end through the electric cylinder 37 and the transmission shaft 25 under various environments, the pressure is continuously changed, and the thrust calibration curve can be obtained by reading the value of the standard force sensor 33. In the test stage, the transmission shaft 25, the electric cylinder 37 and the standard force sensor 33 are withdrawn from the test water tank 11, working medium is introduced into the two-phase supercharging propelling structure 29 through the inlet end, the two-phase supercharging propelling structure 29 works normally, the values of the first force sensor 31 and the second force sensor can be read to obtain a thrust test curve of the two-phase supercharging propelling structure 29, the thrust test curve is compared with a thrust calibration curve, and the actual thrust of the two-phase supercharging propelling structure 29 can be obtained.

As previously described, the two-phase booster propulsion structure 29 needs to be connected to the test tank 11. The two-phase pressurizing propulsion structure 29 can be directly connected and fixed with the inner wall of the test water tank 11, or can be installed by arranging other structures. In an alternative embodiment, the test tank 11 includes a mounting bracket, and both sides of the two-phase booster propulsion structure 29 in the axial direction are respectively connected to the mounting bracket, so that the two-phase booster propulsion structure 29 is horizontally disposed and the central axis extends in the central axis direction of the test tank 11. Through setting up two-phase pressurization propulsion structure 29 level for the center of exit end just to the axis of test water tank 11, can guarantee the accurate degree of work effect and the test of two-phase pressurization propulsion structure 29. Further, the mounting bracket includes a base 24 and a plurality of brackets disposed on the base 24, a plurality of lugs 30 are disposed on a peripheral side of the two-phase supercharging propulsion structure 29, the two-phase supercharging propulsion structure 29 is disposed on the base 24, the base 24 is used for bearing the two-phase supercharging propulsion structure 29, and each lug 30 is correspondingly connected with each bracket, so that the two-phase supercharging propulsion structure 29 is horizontally disposed. It should be noted that in the embodiment provided by the present invention, the support includes a front support 26 and a rear support 27, the number of lugs 30 is four, two lugs 30 are respectively disposed at two ends of the two-phase supercharging propulsion structure 29, and two lugs 30 at each end are respectively disposed at two sides of the two-phase supercharging propulsion structure 29 and connected to the corresponding front support 26 or rear support 27, so that a stable installation effect can be ensured. Further, lugs 30 may be attached to front support 26 or rear support 27 in various connection relationships, such as a hitch, screw connection, or the like. It should be noted that the wall surface of the front bracket 26 or the rear bracket 27 should be kept smooth, so as to prevent excessive friction between the front bracket 26 or the rear bracket 27 and the lugs 30 from affecting the test effect. The first load cell 31 and the second load cell may be provided on the front bracket 26, but may be provided on the rear bracket 27 as well, and the present invention is not limited thereto.

In order to ensure that the force of the transmission rod can be uniformly applied to the outlet end, in the technical scheme provided by the invention, the second measuring member further comprises a transmission member 32, and the transmission member 32 is used for being arranged at the outlet end so as to stably transmit the force to the outlet end. The driving member 32 may be arranged in various ways, and may be driven by a driving plate, a driving block, or the like. In one embodiment of the present invention, the transmission member 32 includes two transmission plates disposed in a crossed manner, where the intersection point of the two transmission plates coincides with the center point of the outlet end, the ends of the two transmission plates are connected to the end of the outlet end, and the transmission shaft 25 is just abutted to the intersection point of the two transmission plates, so that the overall stable transmission of the pressure to the two-phase booster propulsion structure 29 can be ensured.

Further, the inlet end is provided with a connecting tube which communicates with the air inlet 28 via a metal hose 34. By adopting the form of the metal hose 34, the interference of the environment and the hard contact between the steam pipeline and the test water tank 11 can be eliminated, the accurate measurement of a wide thrust range can be realized, and the measurement accuracy can be improved.

In order to ensure the test effect, the test water tank 11 is rectangular and horizontally placed, the diameter of the test water tank is more than 10 times of the diameter of the two-phase pressurizing propulsion structure 29, and the length of the test water tank is more than 2920 times of the two-phase pressurizing propulsion structure, so that the wall effect is reduced, and the water level in the test water tank 11 is at least 25cm higher than that of the two-phase pressurizing propulsion structure 29. As previously mentioned, the drive shaft 25 is required to pass through the test tank 11 and also to ensure the tightness of the test tank 11 during the calibration phase; after the drive shaft 25 is withdrawn, the tightness of the test tank 11 is still ensured during the test phase. Specifically, the test water tank 11 is provided with a left cover plate 19 and a right cover plate 20, the right cover plate 20 seals the test water tank 11 through a flange cover, a loading opening is formed in the center of the test water tank, a small flange cover 35 is arranged at the loading opening, and a bidirectional circular flange 36 through which the transmission shaft 25 passes is arranged in the center of the small flange cover 35. In the calibration stage, one end of the transmission shaft 25 is connected with the standard force sensor 33, the other end of the transmission shaft is connected with the bidirectional circular flange 36, the outside of the bidirectional circular flange 36 is connected with the electric cylinder 37, after the calibration is finished, the transmission shaft 25, the standard force sensor 33, the electric cylinder 37 and the like are evacuated, and the test water tank 11 can still be kept sealed. Further, the movable temperature and pressure measuring part 21 may be provided in the bidirectional circular flange 36 instead of the transmission shaft 25, other openings may be provided at the right cover plate 20, and labyrinth type sealing devices may be provided at the openings for sealing and mounting the movable temperature and pressure measuring part 21, which is not limited in this invention.

Further, the underwater two-phase supercharging propelling visual measuring device further comprises a water storage tank 9, the water storage tank 9 is communicated with the water inlet, a water supplementing pump 10 is arranged between the water storage tank 9 and the water inlet, and fluid can be introduced into the cavity through the water supplementing pump 10. A water discharge pump 12 is arranged at the water outlet to facilitate the fluid to be discharged.

Further, the test water tank 11 is further provided with a circulating water inlet and a circulating water outlet, a circulating pipeline is arranged between the circulating water inlet and the circulating water outlet, and the circulating pipeline is provided with a circulating pump 14 and a cooler 40. By the arrangement of the circulation pump 14 and the cooler 40, it is further ensured that the fluid circulation and the temperature stabilization are closer to the underwater navigation environment of the ship.

Referring to fig. 1, the present invention further provides an underwater two-phase supercharging propulsion visual measurement system, which includes: a steam generating device comprising a steam generator 1, a steam buffer tank 2, a regulating valve 6, a check valve 7 and a mixing tank 5; the supercharging adjusting device comprises an air compressor 3 and a non-condensable gas buffer tank 4, one outlet of the non-condensable gas buffer tank 4 is communicated with the mixing tank 5, and the other outlet of the non-condensable gas buffer tank is communicated with the atmosphere; the air inlet 28 of the underwater two-phase supercharging propelling visual measuring device is communicated with the outlet of the mixing tank 5; and the control device is electrically connected with the steam generating device, the pressurizing adjusting device and the underwater two-phase pressurizing propulsion visual measuring device. Specifically, the steam generator 1 is used for generating saturated or superheated steam meeting the requirements of the two-phase booster propulsion structure 29, the pressure difference between the steam and the ambient water is not less than 0.7MPa, and the steam dryness is not less than 99.8%. When the steam demand is far smaller than the rated air supply of the steam generator 1, the sliding pressure operation mode is adopted to supply steam, and otherwise, the steam is normally supplied through the steam generator 1. Steam flows into the steam buffer tank 2 after being generated by the steam generator 1 so as to provide steam supply with more stable pressure flow; the steam flowing out of the steam buffer tank 2 flows into the mixing tank 5 through the regulating valve 6, the check valve 7, the mixing tank 5, the steam pipeline and the like in sequence; the air compressor 3 pressurizes the noncondensable gas (air) to be slightly more than the pressure of the steam buffer tank 2, and after entering the noncondensable gas buffer tank 4, the noncondensable gas is mixed with steam at the mixing tank 5 through a pipeline and a valve, and the other part of noncondensable gas is discharged from the outlet to the noncondensable gas emptying port 8 so as to cope with accurate steam supply under low flow.

Further, a second temperature sensor 15 and a second pressure sensor 16 are further arranged between the steam buffer tank 2 and the regulating valve 6, and the second temperature sensor 15 and the second pressure sensor 16 are electrically connected with the control device. Specifically, the control device includes a data acquisition module 18 and a console 17 that are electrically connected, where the data acquisition module 18 may be electrically connected to each temperature sensor and each pressure sensor to obtain the numerical value of the sensor, the console 17 may be electrically connected to each device to control the working conditions of each device, and may further process the calibration and test data of the two-phase boosting propulsion structure 29 by receiving the data information of the data acquisition module 18.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. An underwater two-phase supercharging propelling visual measuring device is characterized by comprising:

The test water tank is arranged in a transparent mode, an air inlet, a water inlet and a water outlet are formed in the test water tank, and the air inlet is used for introducing steam;

The two-phase supercharging propelling structure is arranged in the test water tank, two sides of the two-phase supercharging propelling structure in the axial direction are respectively connected with the test water tank, the two-phase supercharging propelling structure is provided with an inlet end and an outlet end, and the inlet end is communicated with the air inlet; and

The utility model provides a visual measurement structure, includes first measuring part, first measuring part includes laser light source, tracer particle source, high-speed camera and activity warm-pressing measurement portion, laser light source is close to the outer tip setting of experimental water tank, the tracer particle source is located in the experimental water tank and be close to the entry end sets up, high-speed camera locates outside the experimental water tank and correspond the exit end sets up, activity warm-pressing measurement portion activity is located in the experimental water tank is used for being close to or keep away from measure temperature and pressure in the activity stroke of exit end.

2. The underwater two-phase supercharging propelling visual measurement device according to claim 1, wherein the movable temperature and pressure measurement part comprises a driving motor, a connecting rod, a mounting seat, a first temperature sensor and a first pressure sensor, one end of the connecting rod stretches into the test water tank, the other end of the connecting rod is positioned outside the test water tank and is in transmission connection with the driving motor, the mounting seat is arranged at the end part of the connecting rod, the first temperature sensor and the first pressure sensor comprise a plurality of first temperature sensors and the first pressure sensor are respectively arranged at the periphery of the mounting seat.

3. The underwater two-phase supercharging propulsion visual measurement device according to claim 1, wherein the visual measurement structure further comprises a second measurement piece, the second measurement piece comprises an electric cylinder, a transmission shaft, a first force sensor, a second force sensor and a standard force sensor, one end of the transmission shaft stretches into the test water tank and is in transmission connection with the outlet end, the other end of the transmission shaft is located outside the test water tank and is in transmission connection with the electric cylinder, the first force sensor and the second force sensor are respectively arranged on two sides of the two-phase supercharging propulsion structure in the axial direction, and the standard force sensor is used for measuring thrust exerted by the transmission shaft to the two-phase supercharging propulsion structure.

4. The underwater two-phase supercharging propelling visual measurement device according to claim 3, wherein the test water tank comprises a mounting bracket, the mounting bracket is arranged in the test water tank, two sides of the two-phase supercharging propelling structure in the axial direction are respectively connected with the mounting bracket, so that the two-phase supercharging propelling structure is horizontally arranged, and a central axis extends along the central axis direction of the test water tank.

5. The underwater two-phase supercharging propelling visual measurement device according to claim 4, wherein the mounting bracket comprises a base and a plurality of brackets arranged on the base, a plurality of lugs are arranged on the periphery of the two-phase supercharging propelling structure, the base is used for bearing the two-phase supercharging propelling structure, and the lugs are correspondingly connected with the brackets so that the two-phase supercharging propelling structure is horizontally arranged.

6. The underwater two-phase supercharging propelling visual measurement device according to claim 3, wherein the measurement structure further comprises a transmission member, the transmission member comprises two transmission plates which are arranged in a crossing manner, the transmission member is arranged at the outlet end, and the end part of the transmission shaft is abutted with the transmission member.

7. The underwater two-phase supercharging propelling visual measurement device according to claim 1, wherein the inlet end is provided with a connecting pipe, and the connecting pipe is communicated with the air inlet through a metal hose.

8. The underwater two-phase supercharging propelling visual measurement device according to claim 1, wherein the test water tank is further provided with a circulating water inlet and a circulating water outlet, a circulating pipeline is arranged between the circulating water inlet and the circulating water outlet, and a circulating pump is arranged on the circulating pipeline.

9. An underwater two-phase boost propulsion visualization measurement system, comprising:

The steam generating device comprises a steam generator, a steam buffer tank, a regulating valve, a check valve and a mixing tank;

the supercharging adjusting device comprises a second air compressor and a non-condensable gas buffer tank, one outlet of the non-condensable gas buffer tank is communicated with the mixing tank, and the other outlet of the non-condensable gas buffer tank is communicated with the atmosphere;

the underwater two-phase supercharging propulsion visual measurement device is an underwater two-phase supercharging propulsion visual measurement device according to any one of claims 1-8, and an air inlet of the underwater two-phase supercharging propulsion visual measurement device is communicated with an outlet of the mixing tank; and

And the control device is electrically connected with the steam generating device, the pressurizing adjusting device and the underwater two-phase pressurizing propulsion visual measuring device.

10. The underwater two-phase supercharging propelling visual measurement system according to claim 9, wherein a second temperature sensor and a second pressure sensor are further arranged between the steam buffer tank and the regulating valve, and the second temperature sensor and the second pressure sensor are electrically connected with the control device.