CN109696289A - A kind of wind energy conversion system wing panel icing test macro and method - Google Patents
A kind of wind energy conversion system wing panel icing test macro and method Download PDFInfo
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- CN109696289A CN109696289A CN201910119826.2A CN201910119826A CN109696289A CN 109696289 A CN109696289 A CN 109696289A CN 201910119826 A CN201910119826 A CN 201910119826A CN 109696289 A CN109696289 A CN 109696289A
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 48
- 238000012360 testing method Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 230000008014 freezing Effects 0.000 claims abstract description 8
- 238000007710 freezing Methods 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 239000002245 particle Substances 0.000 claims abstract description 4
- 238000010998 test method Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000004088 simulation Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 6
- 238000000889 atomisation Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000012956 testing procedure Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/02—Wind tunnels
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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
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/06—Measuring arrangements specially adapted for aerodynamic testing
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- General Physics & Mathematics (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The present invention relates to wind energy conversion system the field of test technology, disclosing a kind of wind energy conversion system wing panel icing test macro and method, wind energy conversion system wing panel icing test macro includes wind-tunnel, air feed system and icing control system；Icing control system is connected with refrigerating plant and atomizing sprayer, and refrigerating plant is used to freeze to the air-flow of air feed system, and atomizing sprayer is for being mixed into misty water droplet into the air-flow of air feed system；It is provided with the supporting mechanism for fixing wind energy conversion system in wind-tunnel, is additionally provided in wind-tunnel for scanning pneumatic equipment bladess and generating the laser 3 d scanner of 3-D image.The present invention carries out wind speed, Liquid water content, water droplet median particle volume diameter, temperature and freezing time simulation control by air feed system, control system, and 3-D scanning is carried out to wind energy conversion system wing panel by laser 3 d scanner, icing ice shape of the wind energy conversion system wing panel under given environmental condition can be directly obtained.
Description
Technical field
The present invention relates to wind energy conversion system the field of test technology, and in particular to a kind of wind energy conversion system wing panel icing test macro and side
Method.
Background technique
All contain wind energy resources abundant in cold climate area.On the one hand, positioned at High aititude or the cold ground of high latitude
Area's wind speed usually with higher；On the other hand, the rising of atmospheric density can also make wind turbine power generation power under cryogenic conditions
Increase.But under cold climate conditions extreme low temperature and wind energy conversion system freeze caused by a series of problems, become the cold gas of limitation
The core bottleneck of wind energy utilization under the conditions of time.
Under cold climate conditions, pneumatic equipment bladess icing will lead to the decline of blade aerodynamic performance, Mass Distribution unevenness, wind wheel
A series of problems, such as additional vibration and control strategy fail, the wind-resources seriously affected under cold climate conditions utilize.Especially
For China, with the fast development of wind-powered electricity generation, conventional high-quality wind field has been developed totally.Wind-resources cold district abundant is
Obtain more and more extensive concern.Therefore, wind energy conversion system ice formation issues are studied, deepen the understanding to wind energy conversion system freezing process, to hair
The anti-de-icing method of wind energy conversion system is opened up, the wind-resources utilization rate promoted under cold climate conditions is of great significance.
At present it is not yet found that wind energy conversion system wing panel icing wind tunnel test method.It includes air flowing, water droplet that wind energy conversion system, which freezes,
The gas-liquids such as movement, heat and mass couple complicated physical process, are difficult to accurately obtain Anti-icing Heat Loads demand using numerical simulation, together
When, numerical simulation result is also unable to get verifying because lacking wind energy conversion system icing physical experimental method.Physical test is to understand wind-force
The most direct means of machine freezing process, natively contain all physical processes.Therefore need to construct one kind can directly, it is accurate
Ground obtains the wind energy conversion system icing wind tunnel test method of wind energy conversion system icing ice shape, provides important evidence for the design of anti-deicing system, mentions
Rise China's cold district wind-resources utilization rate.
Summary of the invention
Based on problem above, the present invention provides a kind of wind energy conversion system wing panel icing test macro and method, can directly obtain
Icing ice shape of the wind energy conversion system wing panel under given environmental condition.
In order to solve the above technical problems, the present invention provides a kind of wind energy conversion system wing panel icing test macros, including for moving
The wind-tunnel of mechanical test, the air feed system of adjustable wind tunnel test wind speed and the icing for controlling pneumatic interior temperature and humidity control system
System；The icing control system is connected with refrigerating plant and atomizing sprayer, and the refrigerating plant is used for air feed system
Air-flow refrigeration, the atomizing sprayer is for being mixed into misty water droplet into the air-flow of air feed system；It is provided in the wind-tunnel
For fixing the supporting mechanism of wind energy conversion system, it is additionally provided in the wind-tunnel for scanning pneumatic equipment bladess and generating 3-D image
Laser 3 d scanner.
Further, air feed system includes the blower fan group of multiple machice to supply fan compositions.
Further, atomizing sprayer includes water tank and the atomizer that is connected to water tank cavity.
Further, laser 3 d scanner includes laser emitter, laser pickoff and three-dimension modeling module, institute
Laser emitter and laser pick-off its profile for being used to measure object are stated, the three-dimension modeling module utilizes the object measured
Profile collective data generates the New Model for Digitized Parametric Surfaces of general output format by construction, editor, modification.
In order to solve the above technical problems, the present invention provides a kind of wind energy conversion system wing panel icing test methods, including walk as follows
It is rapid:
S1: according to given true arrives stream wind speed and wind energy conversion system revolving speed determine icing wind tunnel test air feed system wind speed and
The angle of attack of pneumatic equipment bladess；
S2: wind energy conversion system is mounted on the supporting mechanism of icing wind tunnel, obtains the wing with laser 3 d scanner scanning wing panel
The threedimensional model of section；
S3: according to the wind speed of the step S1 wind speed determined and angle of attack setting air feed system, it is arranged in icing control system
Experimental condition parameter, starting wind energy conversion system, air feed system and icing control system carry out icing tests；
S4: the wing panel after being frozen using laser 3 d scanner scans to obtain wing panel icing model, freezes in wing panel
The threedimensional model except the wing panel measured in step S2 is scratched on model, obtains icing ice shape.
Further, experimental condition meets and the consistent cryogenic temperature of truth, Liquid water content, water droplet in step S3
Median particle volume diameter and freezing time.
Compared with prior art, the beneficial effects of the present invention are: the present invention carries out wind by air feed system, control system
Speed, Liquid water content, water droplet median particle volume diameter, temperature and freezing time simulation control, and pass through laser 3 d scanner pair
Wind energy conversion system wing panel carries out 3-D scanning, can directly obtain icing ice shape of the wind energy conversion system wing panel under given environmental condition.
Detailed description of the invention
Fig. 1 is the flow chart of wind-force wing section icing test method in embodiment 2；
Fig. 2 is the wind machine structure schematic diagram to be measured that aerofoil profile is golden wind HQ63-17 in embodiment 2；
Fig. 3 is aerofoil section and its icing ice shape at 59 meters of pneumatic equipment bladess in embodiment 2；
Fig. 4 is aerofoil section and its icing ice shape at 72 meters of pneumatic equipment bladess in embodiment 2；
Fig. 5 is aerofoil section and its icing ice shape at 91 meters of pneumatic equipment bladess in embodiment 2；
Fig. 6 is aerofoil section and its icing ice shape at 99 meters of pneumatic equipment bladess in embodiment 2
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment 1:
A kind of wind energy conversion system wing panel icing test macro, including wind-tunnel, the adjustable wind tunnel test wind for dynamic test
Fast air feed system and the icing control system for controlling pneumatic interior temperature and humidity；The icing control system is connected with refrigeration dress
Set and atomizing sprayer, the refrigerating plant is used to freeze to the air-flow of air feed system, the atomizing sprayer be used for
Misty water droplet is mixed into the air-flow of air feed system；The supporting mechanism for fixing wind energy conversion system, the wind are provided in the wind-tunnel
It is additionally provided in hole for scanning pneumatic equipment bladess and generating the laser 3 d scanner of 3-D image.
In the present embodiment, wind energy conversion system is mounted on supporting mechanism, makes the blade windward side of wind energy conversion system towards direction of flow；
Air feed system provides the test wind for wind-tunnel, and icing control system Control experiment environmental condition, wherein refrigerating plant is to air feed system
The air-flow of system freezes, and atomizing sprayer is mixed into misty water droplet into the air-flow of air feed system；Refrigerating plant and atomization spray
Shower device has icing control system to be controlled, and corresponding refrigeration and atomization parameter are inputted into icing control system
Simulate the temperature and water mist in actual environment.Laser 3 d scanner is used for the wind energy conversion system wing panel shape before test and after test
3-D scanning is carried out, the wing panel model after wing panel model and icing before generating test respectively, the wing panel model base after icing
It is scratched on plinth except the wing panel model before freezing is icing ice shape.
Air feed system includes the blower fan group of multiple machice to supply fan compositions, is convenient for centralized supply wind, is conducive to accurately control
Wind speed.
Atomizing sprayer includes water tank and the atomizer that is connected to water tank cavity, by the way that the water in water tank is sucked atomization
Device is simultaneously atomized, and is sprayed into the air-flow of air feed system input.
Laser 3 d scanner includes laser emitter, laser pickoff and three-dimension modeling module, laser emitter
Its profile for being used to measure object with laser pick-off, three-dimension modeling module are led to using the contour of object collective data measured
It crosses construction, editor, modify the New Model for Digitized Parametric Surfaces for generating general output format.
Embodiment 2:
Icing wind tunnel maximum wind velocity 210m/s, maximum Reynolds number 1.4E+7 in the present embodiment；Liquid water content (LWC) model
It encloses for 0.2g/m3~3g/m3, average water droplet diameter (MVD) range is 10 μm~300 μm.
Wind mill airfoil to be measured is gold wind HQ63-17 Special Airfoil of Wind Turbine (as shown in Figure 2), which applies in certain type
On wind energy conversion system, wind mill wind wheel diameter 100m, hub height is away from ground 85m.The test wind 23.2m/s is used in the present embodiment,
5.26 ° of the wind energy conversion system angle of attack, control cryogenic temperature is -15 DEG C, Liquid water content 0.9g/m3, 20 μm of average water droplet diameter, when icing
Between 600s；
Experiment process is as shown in Figure 1, specific testing procedure is as follows:
S1: determine icing wind tunnel test air feed system wind speed 23.2m/s and 5.26 ° of the angle of attack of pneumatic equipment bladess；
S2: wind energy conversion system is mounted on the supporting mechanism of icing wind tunnel, obtains the wing with laser 3 d scanner scanning wing panel
The threedimensional model of section；
S3: according to the wind speed of the step S1 wind speed determined and angle of attack setting air feed system, it is arranged in icing control system
Experimental condition is that control cryogenic temperature is -15 DEG C, Liquid water content 0.9g/m3, 20 μm of average water droplet diameter, freezing time
600s.Start wind energy conversion system, air feed system and icing control system and carries out icing tests；
S4: the wing panel after being frozen using laser 3 d scanner scans to obtain wing panel icing model, freezes in wing panel
The threedimensional model except the wing panel measured in step S2 is scratched on model, obtains icing ice shape.
The icing ice analyzed from the threedimensional model section at blade center 59m, 72m, 91m and 99m everywhere is chosen respectively
Shape, as a result as shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6.
It as above is the embodiment of the present invention.Design parameter in above-described embodiment and embodiment is merely to understand table
Invention verification process is stated, the scope of patent protection being not intended to limit the invention, scope of patent protection of the invention is still with it
It is all to change with equivalent structure made by specification and accompanying drawing content of the invention subject to claims, it should all similarly wrap
Containing within the scope of the present invention.
Claims (6)
1. a kind of wind energy conversion system wing panel icing test macro, it is characterised in that: including wind-tunnel, the adjustable wind for dynamic test
The air feed system of hole the test wind and icing control system for controlling pneumatic interior temperature and humidity；The icing control system connection
There are refrigerating plant and atomizing sprayer, the refrigerating plant is used to freeze to the air-flow of air feed system, the atomizing spray dress
It sets for being mixed into misty water droplet in the air-flow to air feed system；The support machine for fixing wind energy conversion system is provided in the wind-tunnel
Structure is additionally provided in the wind-tunnel for scanning pneumatic equipment bladess and generating the laser 3 d scanner of 3-D image.
2. wind energy conversion system wing panel icing test macro according to claim 1, it is characterised in that: the air feed system includes more
The blower fan group of a machice to supply fan composition.
3. wind energy conversion system wing panel icing test macro according to claim 1, it is characterised in that: the atomizing sprayer packet
The atomizer for including water tank and being connected to water tank cavity.
4. wind energy conversion system wing panel icing test macro according to claim 1, it is characterised in that: the laser 3 d scanner
Including laser emitter, laser pickoff and three-dimension modeling module, the laser emitter and laser pick-off its be used to survey
Measure the profile of object, the three-dimension modeling module by construction, is edited, repaired using the contour of object collective data measured
Change the New Model for Digitized Parametric Surfaces for generating general output format.
5. a kind of wind energy conversion system wing panel icing test method, this method is based on wind-force wing described in Claims 1 to 4 any one
Section icing test macro, which comprises the steps of:
S1: the wind speed and wind-force of icing wind tunnel test air feed system are determined according to given true arrives stream wind speed and wind energy conversion system revolving speed
The angle of attack of machine blade；
S2: wind energy conversion system is mounted on the supporting mechanism of icing wind tunnel, obtains wing panel with laser 3 d scanner scanning wing panel
Threedimensional model；
S3: according to the wind speed of the step S1 wind speed determined and angle of attack setting air feed system, the test in icing control system is set
Conditional parameter, starting wind energy conversion system, air feed system and icing control system carry out icing tests；
S4: the wing panel after being frozen using laser 3 d scanner scans to obtain wing panel icing model, in wing panel icing model
The upper threedimensional model scratched except the wing panel measured in step S2, obtains icing ice shape.
6. wind energy conversion system wing panel icing test method according to claim 5, it is characterised in that: experimental condition is full in step S3
Foot and the consistent cryogenic temperature of truth, Liquid water content, water droplet median particle volume diameter and freezing time.
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| CN201910119826.2A CN109696289A (en) | 2019-02-18 | 2019-02-18 | A kind of wind energy conversion system wing panel icing test macro and method |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110702419A (en) * | 2019-10-11 | 2020-01-17 | 中国直升机设计研究所 | Anti-icing conformance test system and method for engine air inlet system |
| CN110889233A (en) * | 2019-12-04 | 2020-03-17 | 中国空气动力研究与发展中心 | Icing wind tunnel test ice-shaped three-dimensional entity generation method and three-dimensional entity ice |
| CN111323200A (en) * | 2020-05-11 | 2020-06-23 | 中国空气动力研究与发展中心低速空气动力研究所 | Icing area calculation method for icing wind tunnel test |
| CN111489846A (en) * | 2020-03-12 | 2020-08-04 | 中国空气动力研究与发展中心低速空气动力研究所 | All-optical BEC preparation method based on three-dimensional Raman sideband cooling |
| CN111539072A (en) * | 2020-07-08 | 2020-08-14 | 中国空气动力研究与发展中心低速空气动力研究所 | Quantitative evaluation method and system for ice-shaped ice angle in icing wind tunnel test |
| CN111563354A (en) * | 2020-06-10 | 2020-08-21 | 中国空气动力研究与发展中心低速空气动力研究所 | Icing wind tunnel test similarity conversion method based on numerical simulation |
| WO2021088097A1 (en) * | 2019-11-07 | 2021-05-14 | 中国科学院空天信息创新研究院 | Aerostat icing characteristic numerical simulation and experimental verification system |
| CN113323824A (en) * | 2021-07-08 | 2021-08-31 | 中国华能集团清洁能源技术研究院有限公司 | System and method for monitoring fan blade icing based on laser intensity measurement |
| CN113899784A (en) * | 2021-12-08 | 2022-01-07 | 中国空气动力研究与发展中心低速空气动力研究所 | Method for measuring content of complex icing cloud mist water in large icing wind tunnel |
| CN114169256A (en) * | 2022-02-14 | 2022-03-11 | 中国空气动力研究与发展中心低速空气动力研究所 | Method for obtaining optimal wind speed of icing wind tunnel in scaling test working condition |
| CN115164747A (en) * | 2022-09-05 | 2022-10-11 | 中国航空工业集团公司沈阳空气动力研究所 | Method for measuring thickness of ice layer on surface of aircraft model based on three-dimensional scanning |
| CN116878813A (en) * | 2023-09-08 | 2023-10-13 | 中国空气动力研究与发展中心计算空气动力研究所 | Airfoil frosting experimental model capable of observing frosting from direction of unfolding and experimental method |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110702419A (en) * | 2019-10-11 | 2020-01-17 | 中国直升机设计研究所 | Anti-icing conformance test system and method for engine air inlet system |
| WO2021088097A1 (en) * | 2019-11-07 | 2021-05-14 | 中国科学院空天信息创新研究院 | Aerostat icing characteristic numerical simulation and experimental verification system |
| US11161629B2 (en) | 2019-11-07 | 2021-11-02 | Aerospace Information Research Institute, Chinese Academy Of Sciences | System for numerical simulation and test verification of icing characteristics of an aerostat |
| CN110889233A (en) * | 2019-12-04 | 2020-03-17 | 中国空气动力研究与发展中心 | Icing wind tunnel test ice-shaped three-dimensional entity generation method and three-dimensional entity ice |
| CN110889233B (en) * | 2019-12-04 | 2023-03-28 | 中国空气动力研究与发展中心 | Icing wind tunnel test ice-shaped three-dimensional entity generation method and three-dimensional entity ice |
| CN111489846A (en) * | 2020-03-12 | 2020-08-04 | 中国空气动力研究与发展中心低速空气动力研究所 | All-optical BEC preparation method based on three-dimensional Raman sideband cooling |
| CN111489846B (en) * | 2020-03-12 | 2023-04-28 | 中国空气动力研究与发展中心低速空气动力研究所 | All-optical BEC preparation method based on three-dimensional Raman sideband cooling |
| CN111323200A (en) * | 2020-05-11 | 2020-06-23 | 中国空气动力研究与发展中心低速空气动力研究所 | Icing area calculation method for icing wind tunnel test |
| CN111323200B (en) * | 2020-05-11 | 2020-08-07 | 中国空气动力研究与发展中心低速空气动力研究所 | Icing area calculation method for icing wind tunnel test |
| CN111563354B (en) * | 2020-06-10 | 2020-10-16 | 中国空气动力研究与发展中心低速空气动力研究所 | Icing wind tunnel test similarity conversion method based on numerical simulation |
| CN111563354A (en) * | 2020-06-10 | 2020-08-21 | 中国空气动力研究与发展中心低速空气动力研究所 | Icing wind tunnel test similarity conversion method based on numerical simulation |
| CN111539072B (en) * | 2020-07-08 | 2020-09-29 | 中国空气动力研究与发展中心低速空气动力研究所 | Quantitative evaluation method and system for ice-shaped ice angle in icing wind tunnel test |
| CN111539072A (en) * | 2020-07-08 | 2020-08-14 | 中国空气动力研究与发展中心低速空气动力研究所 | Quantitative evaluation method and system for ice-shaped ice angle in icing wind tunnel test |
| CN113323824A (en) * | 2021-07-08 | 2021-08-31 | 中国华能集团清洁能源技术研究院有限公司 | System and method for monitoring fan blade icing based on laser intensity measurement |
| CN113899784A (en) * | 2021-12-08 | 2022-01-07 | 中国空气动力研究与发展中心低速空气动力研究所 | Method for measuring content of complex icing cloud mist water in large icing wind tunnel |
| CN114169256A (en) * | 2022-02-14 | 2022-03-11 | 中国空气动力研究与发展中心低速空气动力研究所 | Method for obtaining optimal wind speed of icing wind tunnel in scaling test working condition |
| CN115164747A (en) * | 2022-09-05 | 2022-10-11 | 中国航空工业集团公司沈阳空气动力研究所 | Method for measuring thickness of ice layer on surface of aircraft model based on three-dimensional scanning |
| CN116878813A (en) * | 2023-09-08 | 2023-10-13 | 中国空气动力研究与发展中心计算空气动力研究所 | Airfoil frosting experimental model capable of observing frosting from direction of unfolding and experimental method |
| CN116878813B (en) * | 2023-09-08 | 2023-11-17 | 中国空气动力研究与发展中心计算空气动力研究所 | Airfoil frosting experimental model capable of observing frosting from direction of unfolding and experimental method |
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