CN110031197A - A kind of air propeller freezing process observation experimental rig peculiar to vessel - Google Patents
A kind of air propeller freezing process observation experimental rig peculiar to vessel Download PDFInfo
- Publication number
- CN110031197A CN110031197A CN201910313355.9A CN201910313355A CN110031197A CN 110031197 A CN110031197 A CN 110031197A CN 201910313355 A CN201910313355 A CN 201910313355A CN 110031197 A CN110031197 A CN 110031197A
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- China
- Prior art keywords
- propeller
- experiment casing
- icing
- air
- freezing process
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Classifications
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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
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N2021/8411—Application to online plant, process monitoring
Abstract
The invention belongs to Naval Architecture and Ocean Engineering fields, and in particular to a kind of air propeller freezing process observation experimental rig peculiar to vessel.Structure of the invention design and operating method are simple, it is tested by the icing simulation to the air propeller rotated under the conditions of specific gas snow, influence of the available icing essential environmental factors to blade icing rate, correlation test data can verify that the accuracy of numerical simulation, and then optimize numerical model.The present invention can probe into its influence to blade icing amount by material and the structural parameters etc. for changing propeller, choose for air propeller paddle material and structure design provides reference.The conditions such as the present invention also controllable splash liquid-drop diameter, revolution speed of propeller, and then change freezing time and icing form, to reach the active control to propeller freezing process, the design for anti-icing/suppression ice system provides experimental basis.
Description
Technical field
The invention belongs to Naval Architecture and Ocean Engineering fields, and in particular to a kind of air propeller freezing process observation examination peculiar to vessel
Experiment device.
Background technique
When air propeller works under cryogenic, the steam in air may adhere on blade and be frozen, spiral
Paddle accumulated ice can reduce power and reduce air speed, while increase fuel consumption.Propeller accumulated ice can also destroy propeller balance, cause
Serious vibration reduces propeller service life, therefore icing of the research propeller under specific physical condition is very necessary, is
The icing rate and its influence run under research air propeller cryogenic conditions, needs to carry out model propeller icing tests, because
This must manufacture experimently the observation chamber of propeller freezing process, but not yet occur a kind of air propeller freezing process sight peculiar to vessel at present
Examine experimental rig.
Summary of the invention
It is an object of that present invention to provide can observe air propeller gas snow under the conditions of icing/extension ice phenomenon and measurement not
Icing amount in the same time can study power performance of air propeller under the conditions of different gas are avenged, and be further ice and snow environment
The aircushion vehicle of middle operation is anti-icing/and clearing ice technology provides a kind of air propeller freezing process peculiar to vessel of data supporting and theoretical direction
Observe experimental rig.
The purpose of the present invention is realized by following technical solution:
A kind of air propeller freezing process peculiar to vessel observes experimental rig, including support frame, experiment casing, refrigeration system,
Rotation system, atomization system, the experiment casing are mounted on inside the support frame, and experiment casing is equipped with observation window,
Experiment casing bottom is equipped with discharge outlet, is equipped with lighting device inside experiment casing；The output end of the refrigeration system passes through
Pipeline is extend into inside experiment casing；The rotation system includes rotation axis and propeller；Described rotation axis one end and electricity
Motivation is connected, and the other end passes through experiment casing and installs on the support frame；The propeller is mounted on inside experiment casing
In rotation axis；The atomization system includes air atomizer spray nozzle.The air atomizer spray nozzle is mounted on the top of experiment casing
Portion, air atomizer spray nozzle are connected with high-pressure pump and water tank respectively by pipeline；Between the high-pressure pump and water tank
Pass through piping connection；Control valve is respectively arranged on pipeline between the high-pressure pump, water tank and air atomizer spray nozzle
Door.
The present invention may also include:
The pipeline being connected with air atomizer spray nozzle is provided with pressure sensor；Installation inside the experiment casing
There is temperature sensor, camera is installed at the top of experiment casing, is provided with high-speed camera at propeller inside experiment casing
Machine, the pressure sensor and temperature sensor are connected with transcriber；The high-speed camera and camera
It is connected with computer.
The beneficial effects of the present invention are:
Structure of the invention design and operating method are simple, pass through the knot to the air propeller rotated under the conditions of specific gas snow
Ice simulation test, influence of the available icing essential environmental factors to blade icing rate, correlation test data can verify that number
It is worth the accuracy of emulation, and then optimizes numerical model.The present invention can be visited by material and the structural parameters etc. for changing propeller
Study carefully its influence to blade icing amount, is chosen for air propeller paddle material and structure design provides reference.The present invention may be used also
The conditions such as splash liquid-drop diameter, revolution speed of propeller are controlled, and then change freezing time and icing form, to reach to propeller knot
The active control of ice process, the design for anti-icing/suppression ice system provide experimental basis.
Detailed description of the invention
Fig. 1 is a kind of planar structure schematic diagram of air propeller freezing process observation experimental rig peculiar to vessel.
Specific embodiment
The present invention is described further with reference to the accompanying drawing.
Please refer to Fig. 1.Experiment casing 1 is made by polyurethane heat insulation material, and entire experiment casing is placed in support frame 5
On, experiment casing bottom is equipped with discharge outlet 3 on the right side, and an observation window is arranged in experiment casing front, in chamber left side and
One low temperature resistant LED light 2 is respectively installed and is illuminated in top.Propeller 13 and rotation axis 12 one third eminence in the case, rotation axis 12
It stretches out outside experiment casing and is separately connected with support frame 5 and motor, support frame and rotation shaft connection place are equipped with bearing 11, motor
9 are placed in support platform 10, and are controlled by variable-speed controller 8, can change motor speed by variable-speed controller to change
Become the revolving speed of propeller.Refrigeration system 7 is made of compressor set, and refrigeration system is connected on the left of experiment casing and temperature in control cabinet
Degree.Atomization system is made of high-pressure pump 14, water tank 15 and air atomizer spray nozzle 18, and high-pressure pump 14 passes through with water tank 15
Pipeline 17 connects, and high-pressure pump passes through pipeline with water tank respectively and is connected with air atomizer spray nozzle 18, pacifies between above-mentioned pipeline
Equipped with control valve 16, air atomizer spray nozzle is mounted at the top of experiment casing, which uses hydraulic control water mist partial size.High pressure
It is mounted with that pressure sensor 21, pressure sensor transmit signals to chromacoder by the connection of electric wire 26 above air pump nozzle
24, two cameras 23 are installed in chamber top two sides, are provided with high-speed camera 22 at propeller inside experiment casing,
Camera and high-speed camera pass through electric wire and are transferred to the video recording that computer 25 stores experimentation.In order in Control experiment case
Temperature and humidity, four groups of temperature sensors 19 are furnished in chamber, are located at chamber two sides, top and bottom, and
Two Intelligent humidometers 20 are set, pass through electric wire in chamber bottom and right side, temperature sensor and Intelligent humidometer respectively
18 are transferred to chromacoder 24.Also openable experiment casing during the test takes the sample ice on a small amount of propeller to test
And data are recorded, propeller is analyzed further according to the photo of the different moments of video camera and computer record, the data of temperature and humidity
Power performance.
The present invention solves the technical problem of: observation air propeller gas avenge under the conditions of icing/extension ice phenomenon with
And the icing amount of measurement different moments.By developing a kind of air propeller freezing process observation experimental rig peculiar to vessel, Neng Gouyan
Study carefully power performance of air propeller under the conditions of different gas are avenged, further for the aircushion vehicle that is run in ice and snow environment it is anti-icing/remove
Ice technology provides data supporting and theoretical direction.
The present invention is a kind of air propeller freezing process observation experimental rig peculiar to vessel, is mainly used in specific gas ice-lolly part
Under air propeller icing phenomenon peculiar to vessel observation, this experimental rig mainly includes five parts, is test box main body, refrigeration respectively
System, rotation system, atomization system and information acquisition system.Wherein refrigeration system is freezed using compressor set；Rotation system is logical
Variable-speed controller control motor speed is crossed, then rotation axis rotation is driven by bearing, to control propeller rotational；Atomization system
System is selected can be by adjusting air pressure and the hydraulic air atomizer spray nozzle for realizing average water droplet volume diameter (MVD) variation；Information is adopted
Collecting system is made of computer and information transformation device, and video camera can recorde experimentation, passes through temperature, humidity and pressure sensing
Device accurately controls experiment condition and acquisition data, and the glass window in laboratory visually observes experimentation for people, in difference
Period can be taken off icing amount and statistics of weighing on a certain specific blade, obtain blade icing amount versus time curve, real
Ice sample measurement density can also be acquired after testing.The propeller freezing process observation experiment case can be by changing experiment temperature
Degree, average water droplet volume diameter and revolution speed of propeller simulate sight of the different gas ice-lolly parts to propeller dynamic characteristics and ice condition
It surveys.
The present invention can observe air propeller icing/extension ice phenomenon and different moments icing under the conditions of different gas are avenged
Amount, tests its power performance, so for for the aircushion vehicle that is run in ice and snow environment it is anti-icing/clearing ice technology provides data supporting and reason
By guidance.The present invention can be by conditions such as control splash liquid-drop diameter, revolution speed of propeller, and then change freezing time and icing shape
Formula, to reach the active control to propeller freezing process, the design for anti-icing/suppression ice system provides experimental basis.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (2)
1. a kind of air propeller freezing process peculiar to vessel observes experimental rig, including support frame, experiment casing, refrigeration system, turn
Dynamic system, atomization system, it is characterised in that: the experiment casing is mounted on inside the support frame, is set in experiment casing
There is observation window, experiment casing bottom is equipped with discharge outlet, is equipped with lighting device inside experiment casing；The refrigeration system it is defeated
Outlet is extend into inside experiment casing by pipeline；The rotation system includes rotation axis and propeller；The rotation axis
One end is connected with motor, and the other end passes through experiment casing and installs on the support frame；The propeller is mounted on chamber
In the rotation axis in internal portion；The atomization system includes air atomizer spray nozzle.The air atomizer spray nozzle is mounted on test
The top of cabinet, air atomizer spray nozzle are connected with high-pressure pump and water tank respectively by pipeline；The high-pressure pump and storage
Pass through piping connection between water pot；It is respectively set on pipeline between the high-pressure pump, water tank and air atomizer spray nozzle
There is control valve.
2. a kind of air propeller freezing process peculiar to vessel according to claim 1 observes experimental rig, it is characterised in that: institute
The pipeline being connected with air atomizer spray nozzle stated is provided with pressure sensor；Temperature sensing is installed inside the experiment casing
Device, experiment casing top are equipped with camera, are provided with high-speed camera, the pressure at propeller inside experiment casing
Force snesor and temperature sensor are connected with transcriber；The high-speed camera and camera with computer phase
Even.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910313355.9A CN110031197A (en) | 2019-04-18 | 2019-04-18 | A kind of air propeller freezing process observation experimental rig peculiar to vessel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910313355.9A CN110031197A (en) | 2019-04-18 | 2019-04-18 | A kind of air propeller freezing process observation experimental rig peculiar to vessel |
Publications (1)
| Publication Number | Publication Date |
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| CN110031197A true CN110031197A (en) | 2019-07-19 |
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| CN201910313355.9A Pending CN110031197A (en) | 2019-04-18 | 2019-04-18 | A kind of air propeller freezing process observation experimental rig peculiar to vessel |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110987459A (en) * | 2019-12-19 | 2020-04-10 | 哈尔滨工程大学 | Observation test stand for icing process of inlet of marine gas turbine |
| CN111024403A (en) * | 2019-12-19 | 2020-04-17 | 哈尔滨工程大学 | Marine gas turbine inlet part icing test bed comprising inlet channel structure |
| CN111504835A (en) * | 2020-05-19 | 2020-08-07 | 重庆交通大学 | Road surface low-temperature anti-icing simulation test device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110987459A (en) * | 2019-12-19 | 2020-04-10 | 哈尔滨工程大学 | Observation test stand for icing process of inlet of marine gas turbine |
| CN111024403A (en) * | 2019-12-19 | 2020-04-17 | 哈尔滨工程大学 | Marine gas turbine inlet part icing test bed comprising inlet channel structure |
| CN111504835A (en) * | 2020-05-19 | 2020-08-07 | 重庆交通大学 | Road surface low-temperature anti-icing simulation test device |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190719 |
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| RJ01 | Rejection of invention patent application after publication |