Wind Tunnel Equipment
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Transonic Wind Tunnel [Trisonic Wind Tunnel]
In order to confirm the airflow performance of aircraft such as jetliners, it is essential to test the aerodynamic performance in the Mach number region between about 0.8 and 1.4. This machine is equipment for the testing of flight characteristics in the Mach number region between about 0.8 to 1.4 and our company produces wind tunnels that realize various Mach numbers as appropriate for the purpose of the testing.
Specification
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| Type | Blowdown type |
|---|---|
| Test section | 600×600mm |
| Mach number | 0.8 to 1.4 |
| Measuring time | Approx. 20 sec. |
Hypersonic Wind Tunnel System
Hypersonic Wind Tunnel System achieved Mach number distribution within ± 0.4 as the world's best accuracy.
Specification
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| Type | Blowdown/Suction intermittent type |
|---|---|
| Test section | φ1,270mm |
| Mach number | 10 |
| Measuring time | over 30 sec. |
Ram Jet Engine Test Facility
Test facility for developing air breathing engines capable of continuously changing Altitude and Mach numbers.
Specification
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| Test mode | Direct connect/Semi-free jet |
|---|---|
| Mach number | 0 to 4 |
| Altitude | 0 to 80kft |
| Total pressure | 0.07 to 3.7MPa |
| Total temperature | 250 to 930K |
Supersonic Wind Tunnel
Wind tunnel for aerodynamic tests of supersonic vehicles, such as rockets.
Specification
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| Type | Blowdown type |
|---|---|
| Test section | 600×600mm |
| Mach number | 1.5 to 4.0 (Variable) |
| Measuring time | over 30 sec. |
Hypersonic High Enthalpy Wind Tunnel
Wind tunnel for aerodynamic tests of supersonic vehicles, such as rockets.
Hypersonic wind tunnel
Specification
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| Type | Blowdown/Suction intermittent type |
|---|---|
| Test section | φ200mm |
| Nozzle Mach number | 7,8,9 (Changeable) |
| Measuring time | over 30sec |
Supersonic Combustion Wind Tunnel
Specification
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| Type | Blowdown type |
|---|---|
| Max. flow | 2,000Nm3/h |
| Air temperature | Max.1,500°C |
| Measuring time | over 100sec |
Arc Heated Wind Tunnel
Specification
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| Type | Jet type |
|---|---|
| Diameter of nozzle outlet | φ 180mm |
| Mach number | 12 |
| Total temperature | 7,000K |
| Total pressure | Max. 1.0MPa |
| Measuring time | 30min |
High Enthalpy Shock Tunnel Facility
One of the world's largest high enthalpy shock tunnel facilities for aerodynamic heating tests for models of returnable space crafts.
Specification
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| Type | Free piston type |
|---|---|
| Total pressure | 150MPa |
| Max.enthalpy | 25MJ/kg |
| Max.total temperature | 10,500K |
| Duration time | 2.0mm sec |
Cryogenic Wind Tunnel / Quiet Nozzle
In the current transonic or supersonic wind tunnels, the Reynolds numbers and turbulence intensity are different from those in actual conditions, causing the problems of the turbulence transition and separation points being inconsistent between the wind tunnel test results and the actual machine tes
To solve these problems, MHI Group has engaged in the research and development of cryogenic wind tunnels which lowers the temperature of the airflows to bring the Reynolds number of the measurement closer to the actual machine test, and supersonic, quiet nozzles which can generate less turbulent airflows.
Plasma Wind Tunnel
This is a wind tunnel using plasma to simulate aerodynamic heating and a high Mach number state at reentering into the atmosphere.
Ram Jet Engine Test Facility
This is a facility to simulate an actual flight environment (altitude and the Mach number) on the ground to research and develop ram jet engines.
Climatic Wind Tunnel
Climatic Wind Tunnel can simulate solar radiation, rainfall, and snowfall as well as temperature and humidity.
It is an essential facility to test car air-conditioner performance and engine cooling performance. MHI Group has a track record of supplying various attachments such as our original Solar Radiation Drivers.
Specification
| Type | Vertical Gottingen type |
|---|---|
| Dimension of nozzle outlet | 2.2mx1.7m |
| Max. air speed | 120km/h |
| Temperature range | -25～50°C |
| Humidity range | 30-80%RH |
Wind Tunnels for Various Researches
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- For pollution control
- Air-pollution such as auto-emission, flue-gases out of factories, and photochemical smog are in urgent need of a solution. Simulation tests in a large-size wind tunnel replicate the mechanism of pollution and help to pin down the sources of problem.
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- For optimal design of high-rise buildings and bridges
- Now buildings and bridges are increasingly higher or larger. Wind tunnel tests are indispensable to design large size structures to be safe and economical.
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- For aircraft and ship development
- Wind tunnel tests are indispensable to design sophisticated and economical aircrafts, and are helpful in developing new ship bodies.