CN112924178B - Flow field parameter acquisition system - Google Patents
Flow field parameter acquisition system Download PDFInfo
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- CN112924178B CN112924178B CN202110153412.9A CN202110153412A CN112924178B CN 112924178 B CN112924178 B CN 112924178B CN 202110153412 A CN202110153412 A CN 202110153412A CN 112924178 B CN112924178 B CN 112924178B
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- measuring instrument
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
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Abstract
The application belongs to the technical field of flow field parameter acquisition, concretely relates to flow field parameter acquisition system, include: a flow field parameter measuring instrument; a computer; a vibration damping type measurement and control cabinet; the exchanger is arranged in the vibration reduction type measurement and control cabinet; and the flow field parameter scanning unit is arranged in the vibration reduction type measurement and control cabinet, can receive a measurement signal of the flow field parameter measurement instrument, transmits the measurement signal to the switch, and transmits the measurement signal to the computer for storage and processing.
Description
Technical Field
The application belongs to the technical field of flow field parameter acquisition, and particularly relates to a flow field parameter acquisition system.
Background
When the bench test is carried out on the engine, parameters such as total temperature, total pressure, speed and the like of the jet flow at the tail of the engine are collected.
At present, the bench test of the engine has larger vibration, and the existing engine tail jet flow field parameter acquisition system has poor vibration resistance, influences the accuracy of results and cannot be conveniently moved.
The present application has been made in view of the above-mentioned technical drawbacks.
It should be noted that the above background disclosure is only for the purpose of assisting understanding of the inventive concept and technical solutions of the present invention, and does not necessarily belong to the prior art of the present patent application, and the above background disclosure should not be used for evaluating the novelty and inventive step of the present application without explicit evidence to suggest that the above content is already disclosed at the filing date of the present application.
Disclosure of Invention
It is an object of the present application to provide a flow field parameter acquisition system to overcome or mitigate at least one of the technical deficiencies known to exist.
The technical scheme of the application is as follows:
a flow field parameter acquisition system comprising:
a flow field parameter measuring instrument;
a computer;
a vibration damping type measurement and control cabinet;
the exchanger is arranged in the vibration reduction type measurement and control cabinet;
and the flow field parameter scanning unit is arranged in the vibration reduction type measurement and control cabinet, can receive a measurement signal of the flow field parameter measurement instrument, transmits the measurement signal to the switch, and transmits the measurement signal to the computer by the switch for storage and processing.
According to at least one embodiment of the present application, in the above flow field parameter collecting system, the flow field parameter measuring instrument includes an armored thermocouple total temperature measuring instrument and an air tube total pressure measuring instrument;
the flow field parameter scanning unit includes:
the temperature scanning unit is connected with the armored thermocouple total temperature measuring instrument through a thermocouple compensation wire;
and the pressure scanning unit is connected with the air pipe total pressure measuring instrument through a metal pipe or a nylon pipe.
According to at least one embodiment of the present application, in the flow field parameter collecting system, the flow field parameter measuring instrument further includes:
the porous direction probe is connected with the air pipe total pressure measuring instrument through a metal pipe or a nylon pipe;
the total pressure measuring head with the cover is integrated on the multi-hole direction probe, the direction of the measuring head is consistent with the direction of the probe of the multi-hole direction probe, and the total pressure measuring head is connected with the total pressure measuring instrument of the air pipe through a metal pipe or a nylon pipe.
According to at least one embodiment of the present application, the flow field parameter collecting system further includes:
the armored thermocouple total temperature measuring instrument and the air pipe total pressure measuring instrument are connected to the outer wall of the support rod, can move axially along the support rod and can rotate relative to the support rod; the multi-hole direction probe is connected to the support rod and can rotate relative to the support rod.
According to at least one embodiment of the present application, the flow field parameter collecting system further includes:
the armored thermocouple total temperature measuring instrument is hooped on the outer wall of the supporting rod by one hoop, and when the hoops are loosened, the armored thermocouple total temperature measuring instrument can axially move along the supporting rod and can rotate relative to the supporting rod; the other clamp hoop clamps the air tube total pressure measuring instrument on the outer wall of the support rod, and when the clamp hoop is loosened, the air tube total pressure measuring instrument can move axially along the support rod and can rotate relative to the support rod.
According to at least one embodiment of the present application, in the flow field parameter collecting system, one end of the supporting rod is provided with a supporting hole, and the side wall of the supporting rod is provided with a plurality of locking holes communicated with the supporting hole;
the flow field parameter acquisition system further comprises:
a rotary table, on which a multi-hole direction probe is connected, installed in the support hole;
a plurality of locking screws having:
in a locking state, each locking screw is correspondingly screwed in one locking hole, the top end of each locking screw is abutted against the rotary table, and the rotary table is fixed relative to the support rod;
in the unlocked state, the top end of the locking screw is separated from the turntable, and the turntable can rotate relative to the support rod.
According to at least one embodiment of the present application, in the flow field parameter collecting system, the strut is hollow and is communicated with the rod portion of the multi-hole direction probe;
the flow field parameter acquisition system further comprises:
the supporting platform is connected with one end of the supporting rod and is provided with a lead-out groove; the lead-out groove is communicated with the inside of the support rod so as to lead out a porous direction probe and a metal pipe or a nylon pipe connected with the total pressure measuring head with the cover;
and the cover plate covers the lead-out groove.
According to at least one embodiment of the present application, in the flow field parameter acquisition system, the bottom of the support table has a plurality of jacking card slots and carrying card slots;
the flow field parameter acquisition system further comprises:
further comprising:
a plurality of jacks;
a plurality of transport tankers;
the support table has:
in the jacked state, each jack is correspondingly clamped in one jacking clamping groove, and the supporting table is jacked up, so that each small carrying tank can be correspondingly clamped into or separated from each carrying clamping groove;
by the transport state, during every transport tanky corresponds a transport draw-in groove of card people, deviate from in every jack-up draw-in groove that corresponds, each transport tanky can drive the removal of brace table.
According to at least one embodiment of the present application, in the flow field parameter collecting system, the support rod and the corresponding armored thermocouple total temperature measuring instrument, the air tube total pressure measuring instrument, the porous direction probe, and the covered total pressure measuring head are multiple.
According to at least one embodiment of the present application, the flow field parameter collecting system further includes:
the vehicle has pneumatic tyre, vibration damping system and computer.
Drawings
Fig. 1 is a schematic diagram of a flow field parameter acquisition system provided in an embodiment of the present application;
fig. 2 is a partial schematic view of a flow field parameter acquisition system provided in an embodiment of the present application;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a side view of a support table provided in an embodiment of the present application;
wherein:
1-a computer; 2-vibration reduction type measurement and control cabinet; 3-a switch; 4-armored thermocouple total temperature measuring instrument; 5-air pipe total pressure measuring instrument; 6-a temperature scanning unit; 7-a pressure scanning unit; 8-a multi-well direction probe; 9-total pressure measuring head with cover; 10-a strut; 11-a turntable; 12-a locking screw; 13-clamping hoop; 14-a support table; 15-cover plate; 16-a jack; 17-transport tankers; and 18-carrying vehicle.
For the purpose of better illustrating the present embodiments, certain elements of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; further, the drawings are for illustrative purposes, and terms describing positional relationships are limited to illustrative illustrations only and are not to be construed as limiting the patent.
Detailed Description
In order to make the technical solutions and advantages of the present application clearer, the technical solutions of the present application will be further clearly and completely described in the following detailed description with reference to the accompanying drawings, and it should be understood that the specific embodiments described herein are only some of the embodiments of the present application, and are only used for explaining the present application, but not limiting the present application. It should be noted that, for convenience of description, only the parts related to the present application are shown in the drawings, other related parts may refer to general designs, and the embodiments and technical features in the embodiments in the present application may be combined with each other to obtain a new embodiment without conflict.
In addition, unless otherwise defined, technical or scientific terms used in the description of the present application shall have the ordinary meaning as understood by one of ordinary skill in the art to which the present application belongs. The terms "upper", "lower", "left", "right", "center", "vertical", "horizontal", "inner", "outer", and the like used in the description of the present application, which indicate orientations, are used only to indicate relative directions or positional relationships, and do not imply that the devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed accordingly, and thus, should not be construed as limiting the present application. The use of "first," "second," "third," and the like in the description of the present application is for descriptive purposes only to distinguish between different components and is not to be construed as indicating or implying relative importance. The use of the terms "a," "an," or "the" and similar referents in the context of describing the application is not to be construed as an absolute limitation on the number, but rather as the presence of at least one. The word "comprising" or "comprises", and the like, when used in this description, is intended to specify the presence of stated elements or items, but not the exclusion of any other elements or items.
Further, it is noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and the like are used in the description of the invention in a generic sense, e.g., connected as either a fixed connection or a removable connection or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, or they may be connected through the inside of two elements, and those skilled in the art can understand their specific meaning in the present application according to their specific situation.
The present application will be described in further detail with reference to fig. 1 to 4.
A flow field parameter acquisition system comprising:
a flow field parameter measuring instrument;
a computer 1;
a vibration damping type measurement and control cabinet 2;
the switch 3 is arranged in the vibration damping type measurement and control cabinet 2;
and the flow field parameter scanning unit is arranged in the vibration reduction type measurement and control cabinet 2, can receive a measurement signal of the flow field parameter measurement instrument, transmits the measurement signal to the switch 3, and transmits the measurement signal to the computer 1 for storage and processing through the switch 3.
With regard to the flow field parameter collecting system disclosed in the above embodiments, it can be understood by those skilled in the art that it may be used as a measurement of engine tail jet flow field parameters in a bench test of an engine, and when used as a measurement of engine tail jet flow field parameters, its flow field parameter measuring instrument may be disposed in the engine tail jet flow field to generate relevant measurement signals, which are transmitted to the switch 3, and transmitted by the switch 3 to the computer 1 for storage and processing, so as to realize collection of engine tail jet flow field parameters.
For the flow field parameter acquisition system disclosed in the above embodiment, it can be further understood by those skilled in the art that when the system is used for measuring the flow field parameters of the tail jet of the engine, the computer 1, the switch 3 and the flow field parameter scanning unit can be disposed in an area properly far away from the engine for bench test, so that the influence of the vibration generated by the bench test of the engine on the flow field parameter acquisition system can be reduced, and in addition, the switch 3 and the flow field parameter scanning unit are mounted in the vibration damping measurement and control cabinet 2, so that the influence of the vibration generated by the bench test of the engine on the flow field parameter acquisition system can be further reduced, and the effectiveness of acquiring the flow field parameters of the tail jet of the engine can be ensured.
In some optional embodiments, in the flow field parameter collecting system described above, the flow field parameter measuring instrument includes an armored thermocouple total temperature measuring instrument 4 and an air tube total pressure measuring instrument 5;
the flow field parameter scanning unit comprises:
the temperature scanning unit 6 is connected with the armored thermocouple total temperature measuring instrument 4 through a thermocouple compensation wire;
and the pressure scanning unit 7 is connected with the air pipe total pressure measuring instrument 5 through a metal pipe or a nylon pipe.
In some optional embodiments, in the flow field parameter collecting system described above, the flow field parameter measuring instrument further includes:
the porous direction probe 8, which can be a spherical five-hole probe specifically, is connected with the air pipe total pressure measuring instrument 5 through a metal pipe or a nylon pipe;
the total pressure measuring head 9 with the cover is integrated on the multi-hole direction probe 8, the direction of the measuring head is consistent with the direction of the probe of the multi-hole direction probe 8, and the total pressure measuring head is connected with the air pipe total pressure measuring instrument 5 through a metal pipe or a nylon pipe.
With respect to the flow field parameter acquisition system disclosed in the above embodiments, it will be understood by those skilled in the art that when used for acquiring the flow field parameters of the engine tail jet, the following steps may be referred to for operation:
placing an armored thermocouple total temperature measuring instrument 4, an air pipe total pressure measuring instrument 5, a porous direction probe 8 and a total pressure measuring head with a cover 9 in an engine tail jet flow field;
the total pressure p measured at the multi-hole direction probe 8 by rotating the multi-hole direction probe 8 0 Maximum value p measured by total pressure measuring head 9 with cover tcmax When the deviation between the two is smaller than a set threshold value, setting each corresponding locking screw 5 to be in a locking state, recording the total pressure measurement value of the probe 8 in the porous direction, and calculating to obtain the velocity of the fluid in the flow field;
and adjusting the directions of the armored thermocouple total temperature measuring instrument 4 and the air pipe total pressure measuring instrument 5 to be consistent with the direction of the probe of the porous direction probe 8, and recording the total temperature measuring value of the armored thermocouple total temperature measuring instrument 4 and the total pressure measuring value of the air pipe total pressure measuring instrument 5.
As to the flow field parameter collecting system disclosed in the above embodiment, it can be further understood by those skilled in the art that, when the total pressure and the speed of the engine tail jet flow are measured, in order to ensure that the measurement accuracy needs to be adjusted and fixed, so that the angles of the total pressure instrument and the speed instrument are consistent with the airflow direction of the engine tail jet flow, in the flow field parameter collecting system, the total pressure measuring head 9 with the cover is designed to be integrated on the multi-hole direction probe 8, and the measuring head direction of the total pressure measuring head is consistent with the probe direction of the multi-hole direction probe 8, and in the rotation process of the multi-hole direction probe 8, the total pressure measuring head can synchronously rotate along with the hole direction probe 8, and the measuring head direction of the total pressure measuring head is consistent with the probe direction of the multi-hole direction probe 8, because the total pressure measuring head 9 with the cover has a large insensitive angle, the total pressure data close to the real total pressure can be measured in a certain angle range, and the measured value p measured by the multi-hole direction probe 8 0 Maximum value p measured by total pressure measuring head 9 with cover tcmax When the deviation between the two is smaller than a set threshold value, the direction of the probe of the multi-hole direction probe 8 is considered to be approximately consistent with the direction of the airflow in the tail jet flow of the engine, and the included angle between the direction of the probe and the direction of the airflow is within the effective sensing range, so that the accurate total pressure and speed measurement result of the tail jet flow of the engine can be obtained.
For the flow field parameter acquisition system disclosed in the above embodiment, it can be further understood by those skilled in the art that, when acquiring the parameters of the engine tail jet flow field, the directions of the armored thermocouple total temperature measuring instrument 4 and the air tube total pressure measuring instrument 5 are adjusted to be consistent with the probe direction of the porous direction probe 8, that is, the directions of the armored thermocouple total temperature measuring instrument 4 and the air tube total pressure measuring instrument 5 are adjusted to be approximately consistent with the airflow direction in the engine tail jet flow, so that the measurement accuracy can be higher, and in addition, the air tube total pressure measuring instrument 5 and the porous direction probe 8 can be located at different heights in the engine tail jet flow field, so that the total pressure at different heights in the engine tail jet flow field can be measured.
In some optional embodiments, the flow field parameter collecting system further includes:
the supporting rod 10, the armored thermocouple total temperature measuring instrument 4 and the air pipe total pressure measuring instrument 5 are connected to the outer wall of the supporting rod 10, can move axially along the supporting rod 10 and can rotate relative to the supporting rod 10; the porous direction probe 8 is attached to a support 10 and is capable of rotating relative to the support 10.
For the flow field parameter collection system disclosed in the above embodiment, it can be understood by those skilled in the art that the sheathed thermocouple total temperature measurement instrument 4, the air tube total pressure measurement instrument 5, the porous direction probe 8 and the sheathed total pressure measurement head 9 are connected into a whole through the support rod 10, so as to be convenient to take, and when the sheathed thermocouple total temperature measurement instrument 4, the air tube total pressure measurement instrument 5, the porous direction probe 8 and the sheathed total pressure measurement head 9 are used for collecting parameters of the engine tail jet flow field, the support rod 10 can be placed in the engine tail jet flow field, so as to realize that the sheathed thermocouple total temperature measurement instrument 4, the air tube total pressure measurement instrument 5, the porous direction probe 8 and the sheathed total pressure measurement head 9 are placed in the engine tail jet flow field.
For the flow field parameter acquisition system disclosed in the above embodiment, it can be understood by those skilled in the art that the armored thermocouple total temperature measuring instrument 4 and the air tube total pressure measuring instrument 5 are designed to be connected to the outer wall of the strut 10 and can move axially along the strut 10, so that when acquiring the engine tail jet flow field parameter, the height of the armored thermocouple total temperature measuring instrument 4 and the air tube total pressure measuring instrument 5 along the axial direction of the strut 10 can be adjusted, thereby achieving measurement of the total temperature and the total pressure at any height of the engine tail jet flow field, in addition, the armored thermocouple total temperature measuring instrument 4 and the air tube total pressure measuring instrument 5 can rotate relative to the strut 10, and when acquiring the engine tail jet flow field parameter, the direction of the armored thermocouple total temperature measuring instrument and the air tube total pressure measuring instrument is adjusted to be consistent with the probe direction of the porous direction probe 8, that is, approximately consistent with the direction of the air flow in the engine tail jet flow, so as to ensure the measurement accuracy.
In some optional embodiments, the flow field parameter collecting system further includes:
two clamping bands 13, wherein one clamping band 13 clamps the armored thermocouple total temperature measuring instrument 4 on the outer wall of the supporting rod 10, and when the clamping band 13 is loosened, the armored thermocouple total temperature measuring instrument 4 can move along the axial direction of the supporting rod 10 and can rotate relative to the supporting rod 10; a further clamp 13 clamps the air line total pressure measuring device 5 to the outer wall of the strut 10, and when the clamp 13 is released, the air line total pressure measuring device 5 can be moved axially along the strut 10 and can be rotated relative to the strut 10.
In some optional embodiments, in the flow field parameter collecting system, one end of the supporting rod 10 has a supporting hole, and the side wall has a plurality of locking holes communicating with the supporting hole;
the flow field parameter acquisition system further comprises:
a rotary plate 11, on which a multi-hole direction probe 8 is connected, installed in the support hole;
a plurality of locking screws 12 having:
in a locking state, each locking screw 12 is correspondingly screwed in one locking hole, the top end of the locking screw is abutted with the rotary disc 11, and the rotary disc 11 is fixed relative to the support rod 10;
in the unlocked state, the tip of the locking screw 12 is separated from the dial 11, and the dial 11 can rotate relative to the rod 10.
In some optional embodiments, in the flow field parameter collecting system, the strut 10 is hollow inside and is communicated with the rod part of the porous direction probe 8;
the flow field parameter acquisition system further comprises:
a support table 14 connected with one end of the support rod 10 and provided with an extraction groove thereon; the lead-out groove is communicated with the inside of the support rod 10 so as to lead out a metal pipe or a nylon pipe connected with the porous direction probe 8 and the total pressure measuring head 9 with the cover;
and a cover plate 15 covering the lead-out groove to protect the metal pipe or the nylon pipe in the lead-out groove from being damaged.
In some optional embodiments, in the flow field parameter collecting system, the bottom of the supporting table 14 has a plurality of jacking card slots and carrying card slots;
the flow field parameter acquisition system further comprises:
further comprising:
a plurality of jacks 16;
a plurality of transport tankers 17;
the support table 14 includes:
in the jacked state, each jack 16 is correspondingly clamped in one jacking clamping groove to jack up the supporting platform, so that each carrying small tank 17 can be correspondingly clamped into or separated from each carrying clamping groove;
by the transport state, every transport tank 17 is deviate from in the jack-up draw-in groove that corresponds from a transport draw-in groove of card people, and each transport tank 17 can drive a supporting bench 14 and remove.
For the flow field parameter collecting system disclosed in the above embodiment, it can be understood by those skilled in the art that when the position of the supporting platform 14 needs to be adjusted, the supporting platform 14 may be set in a transported state, each transport small tank 17 drives the supporting platform 14 to move, after moving in place, the supporting platform 14 is set in a jacked state, each transport small tank 17 is separated from each transport slot, then the supporting platform 14 is put down, and each jack 16 is taken out from the corresponding jacking slot, so that the positions of the supporting platform 14 and its upper support rod 10, the armored thermocouple total temperature measuring instrument 4, the air tube total pressure measuring instrument 5, the porous direction probe 8, and the covered total pressure measuring head 9 can be easily changed.
In some optional embodiments, in the above flow field parameter collecting system, there are a plurality of the support rods 10 and their corresponding armored thermocouple total temperature measuring instruments 4, air tube total pressure measuring instruments 5, porous direction probes 8, and covered total pressure measuring heads 9.
In some optional embodiments, the flow field parameter acquiring system further includes:
the vehicle 18, the tire of which is an inflatable pneumatic tire, is provided with a vibration damping system, and the computer 1 is arranged in the vehicle, so that the position of the computer can be conveniently adjusted through the vehicle 18, and a better vibration damping effect can be achieved for the computer 1.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
Having thus described the present application in connection with the preferred embodiments illustrated in the accompanying drawings, it will be understood by those skilled in the art that the scope of the present application is not limited to those specific embodiments, and that equivalent modifications or substitutions of related technical features may be made by those skilled in the art without departing from the principle of the present application, and those modifications or substitutions will fall within the scope of the present application.
Claims (7)
1. A flow field parameter acquisition system, comprising:
a flow field parameter measuring instrument;
a computer (1);
a vibration damping type measurement and control cabinet (2);
the exchanger (3) is arranged in the vibration damping type measurement and control cabinet (2);
the flow field parameter scanning unit is arranged in the vibration reduction type measurement and control cabinet (2), can receive a measurement signal of the flow field parameter measurement instrument, transmits the measurement signal to the switch (3), and transmits the measurement signal to the computer (1) by the switch (3) for storage and processing;
the flow field parameter measuring instrument comprises an armored thermocouple total temperature measuring instrument (4) and an air pipe total pressure measuring instrument (5);
the flow field parameter scanning unit includes:
the temperature scanning unit (6) is connected with the armored thermocouple total temperature measuring instrument (4) through a thermocouple compensation wire;
the pressure scanning unit (7) is connected with the air pipe total pressure measuring instrument (5) through a metal pipe or a nylon pipe;
the flow field parameter measuring instrument further comprises:
the porous direction probe (8) is connected with the air pipe total pressure measuring instrument (5) through a metal pipe or a nylon pipe;
the total pressure measuring head (9) with the cover is integrated on the multi-hole direction probe (8), the direction of the measuring head is consistent with the direction of the probe of the multi-hole direction probe (8), and the total pressure measuring head is connected with the total pressure measuring instrument (5) of the air pipe through a metal pipe or a nylon pipe;
the flow field parameter acquisition system further comprises:
the armored thermocouple total temperature measuring instrument (4) and the air pipe total pressure measuring instrument (5) are connected to the outer wall of the supporting rod (10), can move axially along the supporting rod (10), and can rotate relative to the supporting rod (10); the porous direction probe (8) is connected to the support rod (10) and can rotate relative to the support rod (10).
2. The flow field parameter acquisition system of claim 1,
further comprising:
two clamping bands (13), wherein one clamping band (13) clamps the armored thermocouple total temperature measuring instrument (4) on the outer wall of the support rod (10), and when the clamping band (13) is loosened, the armored thermocouple total temperature measuring instrument (4) can move along the axial direction of the support rod (10) and can rotate relative to the support rod (10); and the other clamp (13) hoops the air pipe total pressure measuring instrument (5) on the outer wall of the support rod (10), and when the clamp (13) is loosened, the air pipe total pressure measuring instrument (5) can axially move along the support rod (10) and can rotate relative to the support rod (10).
3. The flow field parameter acquisition system of claim 1,
one end of the support rod (10) is provided with a support hole, and the side wall is provided with a plurality of locking holes communicated with the support hole; the flow field parameter acquisition system further comprises:
a rotary plate (11) connected with the multi-hole direction probe (8) and installed in the support hole;
a plurality of locking screws (12) having:
a locking state, wherein each locking screw (12) is correspondingly screwed in one locking hole, the top end of the locking screw abuts against the rotary disc (11), and the rotary disc (11) is fixed relative to the support rod (10);
in the non-locking state, the top end of the locking screw (12) is separated from the rotary disc (11), and the rotary disc (11) can rotate relative to the support rod (10).
4. The flow field parameter acquisition system of claim 1,
the support rod (10) is hollow and is communicated with the rod part of the porous direction probe (8);
the flow field parameter acquisition system further comprises:
a support table (14) which is connected with one end of the support rod (10) and is provided with a leading-out groove; the lead-out groove is communicated with the inside of the support rod (10) so as to lead out the porous direction probe (8) and a metal pipe or a nylon pipe connected with the total pressure measuring head (9) with the cover;
and the cover plate (15) covers the lead-out groove.
5. The flow field parameter acquisition system of claim 4,
the bottom of the supporting platform (14) is provided with a plurality of jacking clamping grooves and carrying clamping grooves;
the flow field parameter acquisition system further comprises:
a plurality of jacks (16);
a plurality of transport tankers (17);
the support table (14) has:
in a jacked state, each jack (16) is correspondingly clamped in one jacking clamping groove to jack up the supporting table, so that each carrying small tank (17) can be correspondingly clamped into or separated from each carrying clamping groove;
the transport state, every transport tankis (17) correspond one of the card people in the transport draw-in groove, every jack (16) deviate from in the jack-up draw-in groove that corresponds, each transport tankis (17) can drive supporting bench (14) remove.
6. The flow field parameter acquisition system of claim 1,
the supporting rod (10) and the armored thermocouple total temperature measuring instrument (4), the air pipe total pressure measuring instrument (5), the porous direction probe (8) and the covered total pressure measuring head (9) which correspond to the supporting rod are multiple.
7. The flow field parameter acquisition system of claim 1,
further comprising:
a vehicle (18) whose tyre is an inflatable pneumatic tyre, with a damping system, in which the computer (1) is loaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110153412.9A CN112924178B (en) | 2021-02-04 | 2021-02-04 | Flow field parameter acquisition system |
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| CN202110153412.9A CN112924178B (en) | 2021-02-04 | 2021-02-04 | Flow field parameter acquisition system |
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| CN112924178A CN112924178A (en) | 2021-06-08 |
| CN112924178B true CN112924178B (en) | 2022-11-22 |
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| CN114544076B (en) * | 2022-02-23 | 2024-04-09 | 中国航发沈阳发动机研究所 | Pressure measurement probe |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009037957A1 (en) * | 2009-08-18 | 2011-02-24 | Mtu Aero Engines Gmbh | Pressure probe |
| CN102141447B (en) * | 2010-12-31 | 2012-07-25 | 中国航天科技集团公司第六研究院第十一研究所 | Total temperature/total pressure and static probe |
| CN104280183A (en) * | 2014-09-29 | 2015-01-14 | 南京航空航天大学 | Flow collection type comb-shaped total pressure probe |
| CN205228775U (en) * | 2015-12-15 | 2016-05-11 | 中航商用航空发动机有限责任公司 | Flow field air current collection system and flow field air current measuring equipment |
| CN107356288B (en) * | 2017-06-09 | 2019-12-31 | 同济大学 | Air flow speed and temperature composite measuring device for low-speed flow field |
| CN109374301B (en) * | 2018-12-14 | 2020-09-18 | 中国航发沈阳发动机研究所 | Engine flow field pneumatic parameter measuring device |
| CN111337261B (en) * | 2020-01-10 | 2021-11-30 | 西北工业大学 | Rotary machine interstage and outlet total pressure probe |
| CN112033688B (en) * | 2020-05-26 | 2022-02-15 | 中国科学院工程热物理研究所 | System for measuring temperature flow field outside jet lobe of aircraft engine and control method thereof |
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