CN110816883B - Aerostat surface water adhesion characteristic test system - Google Patents
Aerostat surface water adhesion characteristic test system Download PDFInfo
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- CN110816883B CN110816883B CN201911083309.0A CN201911083309A CN110816883B CN 110816883 B CN110816883 B CN 110816883B CN 201911083309 A CN201911083309 A CN 201911083309A CN 110816883 B CN110816883 B CN 110816883B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
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Abstract
The invention relates to a test system for the surface water adhesion characteristic of an aerostat, which comprises: the test system comprises an aerostat, a water drop ejector, an environment data acquisition module, an aerostat differential pressure data acquisition module, a tension test module, a data storage and processing module and a test state recording module, wherein the water drop ejector is arranged above the aerostat, the environment data acquisition module, the aerostat differential pressure data acquisition module and the tension test module are connected with the data storage and processing module, and the tension test module is connected with a mooring rope of the aerostat. The test system can truly reflect the water adhesion condition of the surface of the aerostat when the aerostat passes through cloud and rain, so that the calculation model of the water adhesion characteristic of the surface of the aerostat is verified and perfected.
Description
Technical Field
The invention belongs to the technical field of aerostatics, and particularly relates to a test system for surface water adhesion characteristics of an aerostat.
Background
The inside packing density of aerostatics is less than thereby obtaining buoyancy lift of the buoyancy lift gas of air, realizes the lift-off and the high altitude of aerostatics and parks the flight, and when lift-off and high altitude flight, the aerostatics pass through the cloud layer, and the shell surface has water to adhere to, and aerostatics surface water adhesion characteristic influences aerostatics flight characteristic great, does not have a test system that can test aerostatics surface water adhesion characteristic comprehensively at present.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a test system capable of measuring the surface water adhesion characteristics of an aerostat so as to obtain the surface water adhesion characteristic data of the aerostat under certain cloud and rain conditions.
The invention provides a test system for the surface water adhesion characteristic of an aerostat, which comprises: an aerostat, a surface water adhesion property test object; a water droplet ejector for simulating a cloud and rain condition; the environment data acquisition module is used for measuring environment data; the aerostat differential pressure data acquisition module is used for measuring the differential pressure inside and outside the aerostat; the tension testing module is used for measuring the buoyancy lift force of the aerostat; the data storage and processing module is used for storing and processing the data transmitted by each module; the test state recording module is used for recording the change condition of the water film adhesion property on the surface of the aerostat in the test process; the water drop ejector is arranged above the aerostat, the environment data acquisition module, the aerostat differential pressure data acquisition module and the tension test module are connected with the data storage and processing module, and the tension test module is connected with a mooring rope of the aerostat.
Further, the aerostat comprises an airship, a captive balloon, a zero-pressure balloon or an overpressure balloon.
Further, the water drop ejector consists of a main pipeline and a series of spray heads, and the spray heads spray mixed fluid of air and water drops.
Further, the environmental data includes ambient atmospheric temperature, ambient atmospheric pressure, ambient atmospheric humidity, and ambient wind speed and direction.
Further, the aerostat differential pressure data acquisition module comprises a differential pressure sensor.
Further, the tensile test module comprises a tensiometer.
Further, the data storage and processing module includes computer hardware and data processing software.
Further, the test state recording module comprises two cameras.
The invention has the following beneficial effects: the surface water adhesion characteristic of the aerostat can be comprehensively tested through the aerostat surface water adhesion characteristic test system, and the test system can truly reflect the water adhesion condition of the surface of the aerostat when the aerostat passes through cloud and rain, so that a calculation model of the surface water adhesion characteristic of the aerostat is verified and perfected.
Drawings
FIG. 1 is a schematic structural diagram of a system for testing the surface water adhesion characteristics of an aerostat.
Wherein the figures include the following reference numerals: 1. an aerostat; 2. a water droplet ejector; 3. an environmental data acquisition module; 4. the aerostat differential pressure data acquisition module; 5. a tension testing module; 6. a data storage and processing module; 7. and a test state recording module.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting 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 the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in figure 1, the test system for the surface water adhesion characteristics of the aerostat comprises seven modules, namely an aerostat 1, a water drop ejector 2, an environmental data acquisition module 3, an aerostat differential pressure data acquisition module 4, a tension test module 5, a data storage and processing module 6 and a test state recording module 7.
The environmental data acquisition module 3, the aerostat differential pressure data acquisition module 4 and the tension test module 5 are connected with the data storage and processing module 7, the tension test module 5 is connected with a mooring rope of the aerostat and used for measuring buoyancy force data of the aerostat, and buoyancy force of the aerostat is equal to the buoyancy force of the aerostat minus the gravity of the aerostat.
The aerostat 1 is a surface water adhesion characteristic test object, and includes aerostats such as an airship, a captive balloon, a zero-pressure balloon or an overpressure balloon.
The water drop ejector 2 is arranged above the aerostat 1, the water drop ejector 2 consists of a main pipeline and a series of spray heads and is used for simulating a cloud and rain state, the spray heads spray mixed fluid of air and water drops, the diameter of the water drops in the mixed fluid, the water spray content and the flow speed can be adjusted by adjusting the spray heads, and the water spray content refers to the mass of the water drops contained in each cubic meter of air.
The environmental data acquisition module 3 is composed of an environmental atmospheric temperature test instrument, an environmental atmospheric pressure test instrument, an environmental atmospheric humidity test instrument and an environmental wind speed and direction test instrument, and is used for measuring environmental atmospheric temperature data, environmental atmospheric pressure data, environmental atmospheric humidity data and environmental wind speed and direction data.
The aerostat differential pressure data acquisition module 4 comprises a differential pressure sensor and is used for measuring the differential pressure inside and outside the aerostat.
And the tension testing module 5 comprises a tensiometer and is used for measuring the buoyancy lift force data of the aerostat.
The data storage and processing module 6 is mainly composed of computer hardware and data processing software and is used for storing and processing data transmitted by each module.
And the test state recording module 7 consists of two cameras and is used for recording the change condition of the water film adhesion property on the surface of the aerostat in the test process.
And collecting all data and storing the data in a computer, wherein the test data is used for verifying and perfecting the calculation model of the surface water adhesion characteristics of the aerostat.
Example 2
A test method for the surface water adhesion characteristics of an aerostat comprises the following steps:
and step S1, connecting the data acquisition instrument with the data storage and processing module, and debugging the running state.
Step S101, connecting an environment data acquisition module, an aerostat differential pressure data acquisition module and a tension test module to a data storage and processing module, and starting the environment data acquisition module, the aerostat differential pressure data acquisition module and the tension test module to ensure that the environment data acquisition module and the tension test module have normal functions and accurate acquired data;
step S102, debugging the test state recording module to ensure the test state recording module to be normal in function;
in step S2, the water droplet sprayer is commissioned.
Step S201, starting a water drop ejector to ensure that the water drop ejector has normal functions, and adjusting the diameter, the water spraying content and the flow rate of sprayed water drops;
step S202, adjusting the diameter, the water spraying content and the flow rate of the sprayed water drops according to the test requirements;
and step S3, installing a data acquisition module on the aerostat, and debugging the aerostat.
Step S301, an aerostat differential pressure data acquisition module is installed on an aerostat and connected to a data acquisition and processing module;
step S302, filling helium into the aerostat, moving the aerostat to the position below the water drop ejector, connecting the aerostat to the tension test module, and fixing the aerostat on the ground;
and step S4, testing the influence of the pressure difference, the water drop diameter, the water spraying content and the flow speed of the aerostat on the surface water adhesion characteristic of the aerostat.
The test adopts a single variable method, quantitatively tests the influence of each independent factor on the surface water adhesion characteristic of the aerostat, sets reference values of the pressure difference, the diameter of water drops, the water spraying content and the flow speed of the aerostat, keeps three of the variables unchanged and keeps the reference values, so that the fourth variable is independently changed, and the changed value floats up and down around the reference value.
Step S410, testing the change of the surface water adhesion characteristics of the aerostat under the condition of the same aerostat pressure difference, water drop diameter and water spray content, namely, when the aerostat pressure difference, the water drop diameter and the water spray content are reference values.
Step S411, starting an environment data acquisition module, an aerostat differential pressure data acquisition module and a tension test module, and testing the buoyancy lift force of the aerostat when no water adheres under a certain aerostat differential pressure;
step S412, opening a water drop ejector, keeping the diameter of a water drop and the water spraying content unchanged, and testing the buoyancy lift force of the aerostat when water is attached under the condition of different flow rates;
step S413, subtracting the aerostat buoyancy lift force data measured in the step S412 when water is attached from the aerostat buoyancy lift force data measured in the step S411 when no water is attached to obtain the corresponding surface water attachment quality of the aerostat under the conditions of the same aerostat pressure difference, water drop diameter and water spray content and different flow rates, so as to obtain the influence of the flow rate on the surface water attachment characteristic of the aerostat;
in step S414, after step S413 is completed, the aerostat surface water film is wiped clean.
Step S420, testing the change of the surface water adhesion characteristics of the aerostat under the condition of different water spray contents under the same aerostat pressure difference, water droplet diameter and flow speed, namely when the aerostat pressure difference, the water droplet diameter and the flow speed are reference values.
Step S430, testing the change of the surface water adhesion characteristics of the aerostat under the condition of different water drop diameters under the same aerostat pressure difference, water spray content and flow rate, namely when the aerostat pressure difference, the water spray content and the flow rate are reference values.
Steps 420 and 430 are similar to step 410.
Step S440, testing the change of the surface water adhesion characteristics of the aerostat under the condition of the same water drop diameter, water spray content and flow speed, namely, the water drop diameter, the water spray content and the flow speed are taken as reference values under different aerostat pressure difference conditions.
Step S441, starting an environment data acquisition module, an aerostat differential pressure data acquisition module and a tension test module, and testing the buoyancy lift force of the aerostat when no water adheres under different aerostat differential pressures;
step S442, opening a water drop ejector, and keeping the buoyancy lift force of the aerostat when water is attached under the conditions of unchanged water drop diameter, water spraying content and flow speed;
step S443, subtracting the aerostat buoyancy data measured in the step S442 from the aerostat buoyancy data measured in the step S441 when no water is attached, to obtain the corresponding surface water attachment quality of the aerostat under the conditions of the same water drop diameter, water spray content and flow rate and different aerostat pressure differences, so as to obtain the influence of the aerostat pressure difference on the surface water attachment characteristic of the aerostat;
step S444, after completion of step S443, the aerostat surface water film is wiped clean.
Step S4 further includes recording the change of the adhesion state of the water on the surface of the aerostat during the test process by using the test state recording module.
And step S5, processing and analyzing the test data after the test is finished, thereby verifying and perfecting the calculation model of the surface water adhesion characteristics of the aerostat.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (9)
1. The utility model provides an aerostatics surface water adhesion characteristic test system which characterized in that includes:
an aerostat, a surface water adhesion property test object;
a water droplet ejector for simulating a cloud and rain condition;
the environment data acquisition module is used for measuring environment data;
the aerostat differential pressure data acquisition module is used for measuring the differential pressure inside and outside the aerostat;
the tension testing module is used for measuring the buoyancy lift force of the aerostat;
the data storage and processing module is used for storing and processing the data transmitted by each module;
the test state recording module is used for recording the change condition of the surface water adhesion characteristic of the aerostat in the test process;
the water drop ejector is arranged above the aerostat, the environment data acquisition module, the aerostat differential pressure data acquisition module and the tension test module are connected with the data storage and processing module, and the tension test module is connected with a mooring rope of the aerostat.
2. The system for testing surface water adhesion characteristics of an aerostat according to claim 1, wherein the aerostat is an airship, a zero-pressure balloon or a super-pressure balloon.
3. The system for testing surface water adhesion characteristics of an aerostat according to claim 1, wherein the aerostat is a captive balloon.
4. The system for testing the surface water adhesion characteristics of the aerostat according to claim 1, wherein the water drop injector consists of a main pipe and a series of nozzles, and the nozzles spray a mixed fluid of air and water drops.
5. The system for testing surface water adhesion characteristics of an aerostat according to claim 1, wherein the environmental data comprise ambient atmospheric temperature, ambient atmospheric pressure, ambient atmospheric humidity, ambient wind speed and direction.
6. The system for testing surface water adhesion characteristics of an aerostat according to claim 1, wherein the aerostat differential pressure data acquisition module comprises a differential pressure sensor.
7. The system for testing surface water adhesion characteristics of an aerostat according to claim 1, wherein said tensile testing module comprises a tensiometer.
8. The system of claim 1, wherein the data storage and processing module comprises computer hardware and data processing software.
9. The system for testing surface water adhesion characteristics of an aerostat according to claim 1, wherein said test condition recording module comprises two cameras.
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| CN201911083309.0A CN110816883B (en) | 2019-11-07 | 2019-11-07 | Aerostat surface water adhesion characteristic test system |
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| CN110816883B true CN110816883B (en) | 2021-07-16 |
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Citations (6)
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| CN104648692A (en) * | 2015-02-06 | 2015-05-27 | 中国商用飞机有限责任公司 | Wind blowing and precipitation system and rainfall simulation method |
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| CN109398749A (en) * | 2018-10-16 | 2019-03-01 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | A kind of unmanned plane wind resistance rain test device |
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2019
- 2019-11-07 CN CN201911083309.0A patent/CN110816883B/en active Active
Patent Citations (6)
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|---|---|---|---|---|
| CN104648692A (en) * | 2015-02-06 | 2015-05-27 | 中国商用飞机有限责任公司 | Wind blowing and precipitation system and rainfall simulation method |
| CN106124144A (en) * | 2016-06-15 | 2016-11-16 | 中国科学院光电研究院 | A kind of aerostatics mode testing method and system |
| CN107092718A (en) * | 2017-03-17 | 2017-08-25 | 中国人民解放军陆军航空兵学院 | Method for numerical simulation during rainfall is met with a kind of aircraft flight |
| CN107101927A (en) * | 2017-05-08 | 2017-08-29 | 中国科学院光电研究院 | A kind of experimental provision and method for aerostatics envelop materialses testing permeability |
| CN109116006A (en) * | 2018-07-25 | 2019-01-01 | 中国海洋大学 | A kind of antifouling test device and test method based on water jet |
| CN109398749A (en) * | 2018-10-16 | 2019-03-01 | 中国电子产品可靠性与环境试验研究所（（工业和信息化部电子第五研究所）（中国赛宝实验室）） | A kind of unmanned plane wind resistance rain test device |
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Address after: 100190 No. 19 West North Fourth Ring Road, Haidian District, Beijing Applicant after: Research Institute of aerospace information innovation, Chinese Academy of Sciences Address before: No. 9 Dengzhuang South Road, Haidian District, Beijing 100094 Applicant before: Academy of Opto-Electronics, Chinese Academy of Sciences |
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