CN108760358B - Ice and snow wind tunnel system for railway vehicle bogie - Google Patents
Ice and snow wind tunnel system for railway vehicle bogie Download PDFInfo
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- CN108760358B CN108760358B CN201810885182.3A CN201810885182A CN108760358B CN 108760358 B CN108760358 B CN 108760358B CN 201810885182 A CN201810885182 A CN 201810885182A CN 108760358 B CN108760358 B CN 108760358B
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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
- G01M17/00—Testing of vehicles
- G01M17/08—Railway vehicles
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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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Abstract
The application discloses an ice and snow wind tunnel system for a railway vehicle bogie, which comprises a refrigeration house system and an experiment system arranged in the refrigeration house system, wherein the experiment system comprises a roadbed model for placing a vehicle body model, a driving device for driving wheels of the bogie on the vehicle body model and an ice and snow conveying device for blowing ice and snow to the bogie, and the output end of the ice and snow conveying device blows ice and snow to the bogie along the roadbed model. The application can be used for researching the high-speed low Wen Liuchang characteristic of the bogie area of the rail transit vehicle, and can simulate the ice and snow movement and phase change process of the bogie area under the rotation working condition that the airflow speed of the bogie is matched with that of the front mixed snow particles so as to determine the mechanism of snow and ice in the bogie area.
Description
Technical Field
The application relates to the technical field of railway vehicles, in particular to an ice and snow wind tunnel system for researching the low-temperature flow field characteristics of a bogie area of a railway vehicle at a high speed and a low temperature.
Background
When the high-speed train runs on snow, snow on the line can be rolled up due to the influence of turbulent flow of the bogie area, enters the bogie area of the train and forms snow and ice. The components such as a traction motor, a gear box, a braking device and the like in the bogie area are heating components, snow is quickly melted by heat, melted liquid water is quickly frozen in strong cold air and attached to the surfaces of other equipment of the bogie, wherein the snow accumulated in the bogie area is melted and frozen on the heating components such as the braking device, so that braking or relieving action failure is caused, the safe running of a train is seriously influenced, the train is forced to run at a reduced speed or stopped, and safety accidents such as derailment and overturning of the train are possibly caused due to heavy weight, so that the anti-snow ice research of the bogie of the high-speed train is urgent. Aiming at the wind and snow blowing problem, the currently available research method is a wind and snow two-phase flow wind tunnel test. Because snow particles do not follow the similar criteria, a full-size bogie is required to be adopted in wind tunnel experiments, and the current low-temperature wind tunnel at home and abroad cannot meet the wind and snow experiment requirements of the full-size bogie, and in addition, the current low-temperature wind tunnel lacks a driving device of a bogie wheel set of a railway vehicle and cannot simulate the influence of the wheel set rotation on the flow field of the bogie area, the movement track of the snow particles and the water throwing track of a brake pad. Therefore, development of a low-temperature snow ice experiment platform suitable for a bogie of a rail transit vehicle is urgent to develop.
Disclosure of Invention
The application aims to provide a wind tunnel test system which can be used for researching the high-speed low-temperature flow field characteristics of a bogie of a rail transit vehicle, so that the problems are solved.
In order to achieve the above purpose, the application discloses an ice and snow wind tunnel system for a railway vehicle bogie, which comprises a refrigeration house system and an experiment system arranged in the refrigeration house system, wherein the experiment system comprises a roadbed model for placing a vehicle body model, a driving device for driving wheels of the bogie on the vehicle body model and an ice and snow conveying device for blowing ice and snow to the bogie, and the output end of the ice and snow conveying device blows ice and snow to the bogie along the roadbed model.
Further, the ice and snow conveying device comprises an ice and snow conveying air duct and a snow making system, wherein an air spraying fan is arranged in the ice and snow conveying air duct, the snow making system comprises a snow making machine, and the snow making machine conveys ice and snow manufactured by the snow making machine to the front of the air spraying fan in the ice and snow conveying air duct.
Further, a plurality of conveying worms penetrating through the ice and snow conveying air duct from top to bottom are arranged at the joint of the ice and snow maker and the ice and snow conveying air duct, the conveying worms are uniformly distributed along the conveying direction of the ice and snow conveying air duct, and the conveying worms uniformly convey ice and snow generated by the ice and snow maker to the front end of the air spraying fan.
Further, the ice and snow conveying device further comprises an ice and snow recycling air duct for recycling ice and snow, the ice and snow recycling air duct is communicated with the ice and snow conveying air duct and is respectively arranged at two ends of the vehicle body model, and a recycling fan for sucking and recycling ice and snow is arranged in the ice and snow recycling air duct.
Further, the outlet of the ice and snow conveying air duct is a rectangular outlet covering the gap between the vehicle body model and the roadbed model, and the outlet of the ice and snow conveying air duct is provided with a necking with reduced outer diameter.
Further, the ice and snow recycling air duct is connected with the ice and snow conveying air duct through a connecting air duct arranged at the inner top of the refrigeration house system, an ice and snow recycling bin is further arranged below the corner where the ice and snow recycling air duct is connected with the connecting air duct, the recycling fan is arranged between the ice and snow recycling bin and the connecting air duct, and the ice and snow recycling bin is connected with the snow making system through a cleaning worm.
Further, the driving device comprises two groups of driving wheel pairs, the driving wheel pairs are aligned with the tracks of the roadbed model, and the wheels of the vehicle body model are arranged on the driving wheel pairs, so that the driving wheel pairs drive the wheels to rotate synchronously.
Further, roadbed model and drive arrangement all set up one and can get in and out automatically on the mobile platform of freezer system, the freezer system is provided with the confession the mobile storehouse door of mobile platform business turn over, be provided with the access door that is used for the experimenter business turn over on the mobile storehouse door, be provided with the observation window on the access door, the observation window is provided with double-deck organic glass, is close to and scribbles the low temperature antifog material layer on the organic glass of freezer system inboard.
Further, the vehicle body model and the roadbed model refer to an actual vehicle body and an actual roadbed 1: 1.
Further, the maximum output wind speed of the ice and snow conveying air duct is 56m/s, the minimum setting temperature of the refrigeration house system is-25 ℃, and the spraying fan and the recycling fan start to rotate before the refrigeration house system refrigerates.
Compared with the prior art, the application has the advantages that:
the high-speed low-Wen Liuchang characteristic of the bogie area of the rail transit vehicle can be studied, under the rotation working condition that the airflow speeds of the bogie and the front mixed snow particles are matched, the ice and snow movement and the phase change process of the bogie area are simulated, and the mechanism of snow and ice problem of the bogie area is clear.
The application will be described in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is an overall schematic isometric view of an ice and snow tunnel system for a railway vehicle truck disclosed in a preferred embodiment of the present application;
FIG. 2 is a schematic illustration of the experimental principle of the ice and snow tunnel system for railway vehicle bogies disclosed in the preferred embodiment of the present application;
FIG. 3 is an isometric schematic view of a test system (without a snow making system) for an ice and snow wind tunnel system for a railway vehicle truck, disclosed in a preferred embodiment of the present application;
FIG. 4 is a schematic view of a mobile platform in and out of a wind tunnel for an ice and snow wind tunnel system for a railway vehicle truck in accordance with a preferred embodiment of the present application;
FIG. 5 is a schematic illustration of a truck simulation area of an ice and snow wind tunnel system for a railway vehicle truck as disclosed in a preferred embodiment of the present application;
fig. 6 is an isometric view of a test system (including a snow making system) for an ice and snow tunnel system for a railway vehicle truck, disclosed in a preferred embodiment of the present application.
Legend description:
1. a refrigeration house system; 2. a vehicle body model; 3. a roadbed model; 4. a bogie; 5. ice and snow conveying air duct; 6. a snow making system; 7. a spray fan; 8. a snow maker; 9. a transfer worm; 10. an ice and snow recovery air duct; 11. a recycling fan; 12. a rectangular output port; 13. the connecting air duct; 14. ice and snow recycling bin; 15. cleaning a worm; 16. a driving wheel pair; 17. a track; 18. a mobile platform; 19. moving a garage door; 20. an observation window; 22. maintaining the cabin door; 23. snow removal cabin door; 24. a control room; 25. a compressor; 26. an access garage door; 27. a drain pipe; 28. a wind tunnel support; 29. a wheel; 30. an ice and snow inlet; 31. ice and snow outlet.
Detailed Description
Embodiments of the application are described in detail below with reference to the attached drawings, but the application can be implemented in a number of different ways, which are defined and covered by the claims.
As shown in fig. 1-6, the application discloses an ice and snow wind tunnel system for a railway vehicle bogie, which comprises a refrigeration house system 1 (with multiple functions of refrigeration, humidity adjustment, illumination and the like, wherein a compressor 25 for refrigeration is arranged on the outer wall of the refrigeration house system 1) and an experimental system arranged in the refrigeration house system (all control of each experimental parameter is completed through a control room 24), wherein the refrigeration house system 1 is a main body for constructing the running environment of the whole wind tunnel experimental system, on one hand, the refrigeration house system is used as an experimental site, and main experimental instruments and equipment are arranged in the refrigeration house system and are carriers of the whole experimental system; on the other hand, the refrigerating equipment simulates the temperature of the test environment, and has better cooling and heat preservation effects, so that an independent low-temperature environment system isolated from the external environment is formed inside the refrigeration house system 1. The main body of the refrigerator body structure of the refrigerator system 1 is a refrigerator plate, polyurethane materials are selected and added with heat insulation materials, so that the refrigerator system can form a heat insulation condition of-25-0 ℃, and has the characteristics of corrosion resistance, ageing resistance, flame retardance, no toxicity, light weight, low cost, firmness, pressure resistance, reliability, attractive appearance and the like. The experimental system includes a roadbed model 3 for placing the vehicle body model 2 (including the bogie 4), a driving device for driving wheels 29 of the bogie 4 on the vehicle body model 2, and an ice and snow conveying device for blowing ice and snow to the bogie 4, and an output end of the ice and snow conveying device blows ice and snow to the bogie 4 along the roadbed model 3, thereby simulating a snowy running external environment of the high-speed train. The ice and snow conveying device comprises an ice and snow conveying air duct 5 and a snow making system 6, wherein an air spraying fan 7 is arranged in the ice and snow conveying air duct 5, the snow making system 6 comprises a snow making machine 8, the snow making machine 8 is arranged on the outer side of the refrigeration house system 1 and is fed into the refrigeration house system 1 through an ice and snow inlet 30 on the refrigeration house system 1, and the snow making machine 8 conveys ice and snow manufactured by the ice and snow conveying air duct 5 to the front of the air spraying fan 7. In this embodiment, the connection between the snow maker 8 and the ice and snow conveying air duct 5 is provided with a plurality of conveying worms 9 penetrating into the ice and snow conveying air duct 5 from top to bottom, the conveying worms 9 are uniformly arranged along the width direction of the ice and snow conveying air duct 5, when the conveying worms 9 are started, ice and snow generated by the snow maker 8 can be uniformly conveyed to the upper side of the ice and snow conveying air duct 5 through a conveying pipeline, and then conveyed downwards through the conveying worms 9, wherein the ice and snow firstly adhere to gaps of teeth of the conveying worms 9 to move downwards in the conveying process, and then high-pressure air sprayed by the spraying fan 7 impacts the conveying worms 9, so that the ice and snow in the gaps of the teeth are dispersed into uniform wind and snow two-phase flow, the problem that the ice and snow in the gaps of the teeth are easy to block and the ice and snow is not blown by the spraying fan 7 is avoided, and when the conveying worms 9 are stopped, the connection between the snow maker 8 and the conveying air duct 5 is closed, so that the ice and snow can be uniformly conveyed.
In this embodiment, in order to realize recycling of air flow and ice and snow in the limited space of the refrigeration house system 1, the ice and snow conveying device further comprises an ice and snow recycling air duct 10 for recycling ice and snow, the ice and snow recycling air duct 10 and the ice and snow conveying air duct 5 are mutually communicated and respectively arranged at two ends of the vehicle body model 2, and a recycling fan 11 for sucking and recycling ice and snow is arranged in the ice and snow recycling air duct 10.
Further, in order to realize that the wind and snow of the output port of the ice and snow conveying air duct 5 can form stable ice and snow air flow as same as the actual working condition, the output port of the ice and snow conveying air duct 5 is a rectangular output port 12 covering the gap between the vehicle body model 2 and the roadbed model 3, and the ice and snow air flow can be stably transited through the rectification function of the rectangular output port 12, so that the disorder of the output air flow is avoided, and the ice and snow conveying air duct 5 is arranged at a necking with the reduced outer diameter to the output port thereof, so that the effect of further increasing the air flow speed is achieved. Meanwhile, in the process of recovering the ice and snow air flow, the ice and snow recovering air duct 10 is connected with the ice and snow conveying air duct 5 through a connecting air duct 13 arranged at the inner top of the refrigeration house system 1, meanwhile, in order to avoid the interference of larger particles in the ice and snow flowing out of the bogie 4 (the heating component of the bogie 4 converts the ice and snow into ice blocks with larger volume and larger mass in cold air after melting the ice and snow and does not meet the requirement of the ice and snow in the ice and snow conveying air duct 5), an ice and snow recovering bin 14 is arranged below the corner where the ice and snow recovering air duct 10 is connected with the connecting air duct 13, the ice and snow recovering bin 14 is connected with the ice and snow making system 6 through a cleaning worm 15 (output from an ice and snow output port 31 of the refrigeration house system 1), the larger ice and snow particles and ice recycling bin 14 falls into the bottom of the ice and snow recycling bin 14 after being collided, recycling is achieved through the cleaning worm 15 (part of the dragon conveying mechanism), meanwhile, special attention is paid to the fact that the recycling fan 11 is arranged between the ice and snow recycling bin 14 and the connecting air duct 13, but is not arranged in the ice and snow recycling air duct 10, the blade of the recycling fan 11 is prevented from being damaged by impact of ice and ice flowing out of the bogie 4, and in order to clean ice and snow everywhere conveniently, the snow removing cabin door 23 is arranged in the connecting air duct 13, the ice and snow recycling bin 14 and the ice and snow recycling air duct 10 and is supported and installed on the bottom surface of the refrigeration house system 1 through the wind tunnel support 28.
In this embodiment, the driving device includes two driving wheel pairs 16, the driving wheel pairs 16 are aligned with the tracks 17 of the roadbed model 3 so as to simulate the actual movement condition of the bogie 4, and the wheels 29 of the vehicle body model 2 are arranged on the driving wheel pairs 16, so that the driving wheel pairs 16 drive the wheels 29 to rotate synchronously, and thus the influence of the rotation of the wheels 29 of the bogie 4 on the bogie area flow field, the snow particle movement track and the brake pad water throwing track is simulated, namely the actual working condition of wheel rotation-ice and snow blowing can be simulated.
In this embodiment, the roadbed model 3 and the driving device are both disposed on a mobile platform 18 capable of automatically entering and exiting the refrigeration house system 1, the refrigeration house system 1 is provided with a mobile door 19 for the mobile platform 18 to enter and exit, in this embodiment, the short-term opening and closing of the mobile door 19 during the test can cause the damage to the simulated environment in the refrigeration house system 1, so that a small-sized access door 26 is disposed on the mobile door 19, so as to facilitate the entry without stopping during the process of the test. In order to facilitate the transportation and movement of the vehicle body model 2, the moving platform 18 is an air cushion carrying device (the air cushion carrying device has high efficiency, low cost and large bearing weight, can be accurately positioned and rotated along any direction, the air pressure in the air bag and the air chamber can generally reach 0.1-0.35 MPa, and the air cushion unit can keep a ground clearance of 0.025-0.25 mm by continuously supplementing enough compressed air), when the vehicle body model 2 enters and exits the refrigeration house system 1, the whole lateral translation of the moving door 19 is opened, the vehicle body model 2 and the roadbed model 3 are sent into the refrigeration house system 1 for testing, meanwhile, a maintenance cabin door 22 and a drain pipe 27 are also arranged on the moving platform 18, and the drain pipe 27 is connected with the surface of the roadbed model 3 below the bogie 4 for discharging ice and snow melt water of the bogie 4 after the testing process.
Meanwhile, in order to facilitate dynamic observation of the test result of the whole wind tunnel test, the movable garage door 19 is provided with an observation window 20, the observation window 20 is provided with double-layer organic glass, and the organic glass near the inner side of the refrigeration house system 1 is coated with a low-temperature anti-fog material layer, wherein the anti-fog material can be a conventional house coating or a special anti-fog material coating on the market.
In this embodiment, since the snow particles do not follow the similarity criteria, a full-size arrangement must be adopted in the wind tunnel experiment, and the vehicle body model 2 and the roadbed model 3 refer to the actual vehicle body, the actual roadbed 1: 1.
In order to match with actual working conditions, the output wind speed of the ice and snow conveying air duct 5 is 56m/s at the highest, the lowest set temperature of the refrigeration house system 1 is-25 ℃, and the spraying fan 7 and the recovery fan 11 start to rotate before the refrigeration house system 1 refrigerates, so that most of extreme external conditions can be covered.
When the ice and snow wind tunnel system of the present application is in operation, the initial operation state is preset for the air injection fan 7, the recovery fan 11 and the driving wheel pair 16. The control room 24 cools the whole ice and snow wind tunnel system through the control system, and the eruption fan 7, the recovery fan 11 and the driving wheel pair 16 cannot stop. After the temperature of the refrigeration house system 1 reaches the environmental conditions such as the temperature, the humidity and the like set by the test requirement, the rotating speeds of the spraying fan 7, the recovery fan 11 and the driving wheel pair 16 are gradually adjusted to the test requirement rotating speed. At this time, the heat generating devices on the relevant components on the bogie 4 start to operate. After the preparation work is finished, the conveying worm 9 starts to rotate, and ice and snow generated by the snow making machine 8 are uniformly and continuously conveyed into the ice and snow conveying air duct 5, at the moment, the ice and snow blowing fan 7 blows the ice and snow to the bogie 4 to start a simulation test, the rear recycling fan 11 recycles the ice and snow flowing out of the bogie 4, part of ice and snow with larger particles collides with the ice and snow recycling bin 14 and falls down, the other part of ice and snow with lighter mass can be recycled and conveyed back to the ice and snow conveying air duct 5 through the connecting air duct 13, recycling is achieved, and energy of the whole wind tunnel system is saved. Meanwhile, an operator can observe the test condition through the anti-fog glass of the movable garage door 19 until the whole test process of the high-speed low-temperature ice and snow flow is completed.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (5)
1. An ice and snow wind tunnel system for a railway vehicle bogie, characterized by comprising a refrigeration house system (1) and an experiment system arranged in the refrigeration house system, wherein the experiment system comprises a roadbed model (3) for placing a vehicle body model (2), a driving device for driving wheels (29) of a bogie (4) on the vehicle body model (2) and an ice and snow conveying device for blowing ice and snow to the bogie (4), and the output end of the ice and snow conveying device blows ice and snow to the bogie (4) along the roadbed model (3); the ice and snow conveying device comprises an ice and snow conveying air duct (5) and a snow making system (6), wherein an air spraying fan (7) is arranged in the ice and snow conveying air duct (5), the snow making system (6) comprises a snow making machine (8), and the snow making machine (8) conveys ice and snow manufactured by the ice and snow conveying air duct (5) to the front of the air spraying fan (7); a plurality of conveying worms (9) penetrating into the ice and snow conveying air duct (5) from top to bottom are arranged at the joint of the ice and snow maker (8) and the ice and snow conveying air duct (5), the conveying worms (9) are uniformly distributed along the conveying direction perpendicular to the ice and snow conveying air duct (5), and the conveying worms (9) uniformly convey ice and snow generated by the ice and snow maker (8) to the front end of the air spraying fan (7); the ice and snow conveying device further comprises an ice and snow recycling air duct (10) for recycling ice and snow, the ice and snow recycling air duct (10) is communicated with the ice and snow conveying air duct (5) and is respectively arranged at two ends of the vehicle body model (2), and a recycling fan (11) for sucking and recycling ice and snow is arranged in the ice and snow recycling air duct (10); the output port of the ice and snow conveying air duct (5) is a rectangular output port (12) covering a gap between the vehicle body model (2) and the roadbed model (3), and the ice and snow conveying air duct (5) is arranged towards the output port of the ice and snow conveying air duct in a necking way with the reduced outer diameter; the ice and snow recycling air duct (10) is connected with the ice and snow conveying air duct (5) through a connecting air duct (13) arranged at the inner top of the refrigeration house system (1), the ice and snow recycling air duct (10) is further provided with an ice and snow recycling bin (14) below the corner where the connecting air duct (13) is connected, the recycling fan (11) is arranged between the ice and snow recycling bin (14) and the connecting air duct (13), and the ice and snow recycling bin (14) is connected with the snow making system (6) through a cleaning worm (15).
2. Ice and snow tunnel system for railway vehicle bogies according to claim 1, characterized in that the driving means comprise two sets of driving wheel pairs (16), which driving wheel pairs (16) are aligned with the tracks (17) of the roadbed model (3), and that the wheels (29) of the body model (2) are arranged on the driving wheel pairs (16) such that the driving wheel pairs (16) bring about a synchronous rotation of the wheels (29).
3. Ice and snow wind tunnel system for railway vehicle bogies according to claim 2, characterized in that the roadbed model (3) and the driving device are arranged on a moving platform (18) capable of automatically entering and exiting the refrigeration house system (1), the refrigeration house system (1) is provided with a moving house door (19) for the moving platform (18) to enter and exit, the moving house door (19) is provided with an access house door (26) for the experimenters to enter and exit, the access house door (26) is provided with an observation window (20), the observation window (20) is provided with double-layer organic glass, and the organic glass near the inner side of the refrigeration house system (1) is coated with a low-temperature anti-fog material layer.
4. Ice and snow wind tunnel system for railway vehicle bogies according to claim 1, characterized in that the body model (2) and the roadbed model (3) refer to the actual body, actual roadbed 1: 1.
5. Ice and snow wind tunnel system for railway vehicle bogies according to claim 1, characterized in that the output wind speed of the ice and snow conveying wind tunnel (5) is at most 56m/s, the lowest setting temperature of the cold storage system (1) is-25 ℃, and the air injection fan (7) and the recovery fan (11) start to rotate before the cold storage system (1) cools.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810885182.3A CN108760358B (en) | 2018-08-06 | 2018-08-06 | Ice and snow wind tunnel system for railway vehicle bogie |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810885182.3A CN108760358B (en) | 2018-08-06 | 2018-08-06 | Ice and snow wind tunnel system for railway vehicle bogie |
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| CN108760358A CN108760358A (en) | 2018-11-06 |
| CN108760358B true CN108760358B (en) | 2023-08-22 |
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| CN201810885182.3A Active CN108760358B (en) | 2018-08-06 | 2018-08-06 | Ice and snow wind tunnel system for railway vehicle bogie |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111307476A (en) * | 2018-12-12 | 2020-06-19 | 中车唐山机车车辆有限公司 | Railway vehicle bogie area ice and snow test device |
| CN110108436B (en) * | 2019-03-22 | 2021-01-19 | 上海渤元信息科技有限公司 | Aerodynamic test system and test method for automobile frame |
| CN113029610B (en) * | 2021-04-14 | 2022-05-27 | 中南大学 | Snow accumulation and icing wind tunnel test system and test method for railway train bogie |
| CN113029612B (en) * | 2021-04-14 | 2022-12-20 | 中南大学 | Bogie rotation test bed of bogie snow icing wind tunnel test system |
| CN112880965B (en) * | 2021-04-14 | 2022-05-17 | 中南大学 | Wind and snow separating device of bogie snow icing wind tunnel test system |
| CN113916554B (en) * | 2021-10-14 | 2022-08-23 | 安徽江淮汽车集团股份有限公司 | Snow raising test method and system for vehicle |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57184944A (en) * | 1981-05-09 | 1982-11-13 | Fuji Heavy Ind Ltd | Apparatus for testing automobile in snowstorm condition |
| US4799390A (en) * | 1987-03-11 | 1989-01-24 | Kabushiki-Kaisha Toyo Seisakusho | Snow-weathering test apparatus for self-propelled vehicle |
| JPH10197411A (en) * | 1997-01-13 | 1998-07-31 | Hitachi Techno Eng Co Ltd | Method for testing splashing of vehicle and apparatus therefor |
| DE102006039865A1 (en) * | 2005-09-02 | 2007-05-10 | Deutsche Bahn Ag | Climatic chamber for subjecting e.g. rail vehicle, with climatic conditions, has air conditioner for bringing air into chamber and circulating air in chamber, and heat exchanger for guiding air to adjust different climatic conditions |
| JP2009002005A (en) * | 2007-06-20 | 2009-01-08 | East Japan Railway Co | Wind-tunnel snow-melting sleeper and track equipped with it |
| JP2009122127A (en) * | 2009-03-11 | 2009-06-04 | Railway Technical Res Inst | Device and method for testing model structure |
| CN101650255A (en) * | 2009-09-14 | 2010-02-17 | 中南大学 | Determining method and measuring system of safety retreat distance of side personnel under action of train wind |
| DE102012211515A1 (en) * | 2012-07-03 | 2014-05-22 | Bayerische Motoren Werke Aktiengesellschaft | Method for monitoring distribution property e.g. particle size, of airflow transported precipitation of snow generated in wind tunnel, involves observing cut surface by camera directed toward cut surface |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8960771B2 (en) * | 2010-02-15 | 2015-02-24 | James Kenneth Bullis | High efficiency vehicle |
-
2018
- 2018-08-06 CN CN201810885182.3A patent/CN108760358B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57184944A (en) * | 1981-05-09 | 1982-11-13 | Fuji Heavy Ind Ltd | Apparatus for testing automobile in snowstorm condition |
| US4799390A (en) * | 1987-03-11 | 1989-01-24 | Kabushiki-Kaisha Toyo Seisakusho | Snow-weathering test apparatus for self-propelled vehicle |
| JPH10197411A (en) * | 1997-01-13 | 1998-07-31 | Hitachi Techno Eng Co Ltd | Method for testing splashing of vehicle and apparatus therefor |
| DE102006039865A1 (en) * | 2005-09-02 | 2007-05-10 | Deutsche Bahn Ag | Climatic chamber for subjecting e.g. rail vehicle, with climatic conditions, has air conditioner for bringing air into chamber and circulating air in chamber, and heat exchanger for guiding air to adjust different climatic conditions |
| JP2009002005A (en) * | 2007-06-20 | 2009-01-08 | East Japan Railway Co | Wind-tunnel snow-melting sleeper and track equipped with it |
| JP2009122127A (en) * | 2009-03-11 | 2009-06-04 | Railway Technical Res Inst | Device and method for testing model structure |
| CN101650255A (en) * | 2009-09-14 | 2010-02-17 | 中南大学 | Determining method and measuring system of safety retreat distance of side personnel under action of train wind |
| DE102012211515A1 (en) * | 2012-07-03 | 2014-05-22 | Bayerische Motoren Werke Aktiengesellschaft | Method for monitoring distribution property e.g. particle size, of airflow transported precipitation of snow generated in wind tunnel, involves observing cut surface by camera directed toward cut surface |
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| CN108760358A (en) | 2018-11-06 |
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