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March 21 2017 | by Rahul
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World’s Third Largest Wind-Tunnel After US and Russia Belongs to VSSC Trivandrum, Thanks to ISRO

The wind tunnel is used to study the effects of air flowing past a solid object - in ISRO’s case, space vehicles. The facility will help ISRO to launch aerospace vehicles at hypersonic speed.

THE Indian Space Research Organisation (ISRO) created history by commissioning the world’s third-largest hypersonic wind tunnel at the Vikram Sarabhai Space Centre (VSSC) in Trivandrum. This is the World’s third largest hypersonic wind tunnel, next only to the ones in the US and Russia.

The wind tunnel is used to study the effects of air flowing past a solid object – in ISRO’s case, space vehicles. The facility will help ISRO to launch aerospace vehicles at hypersonic speed (which is five times the speed of sound or Mach 5) and to reduce the cost of access to space with future reusable launch vehicles (RLV).

The facility is quite complex with 500 valves, two km of pipelines, 41 electric motors, 35 pumps, 320 instruments and 10 km of cables.

Wind-tunnel by ISRO, Photo Credits - Indian Express

Wind-tunnel by ISRO, Photo Credits – Indian Express

These facilities are the third largest in terms of size and simulation capability in the world. These facilities – named after former ISRO chairman Satish Dhawan – have been indigenously designed, developed and made in India with the support of Indian Industries,” VSSC said in a statement.

The facility is quite complex with 500 valves, two km of pipelines, 41 electric motors, 35 pumps, 320 instruments and 10 km of cables.

Commissioning the facilities would provide adequate data for design and development of current and future space transportation systems in the country.

While ISRO is planning future missions such as RLV, air breathing propulsion system and human space flight programme, Aerothermodynamic characterization of these vehicles in hypersonic flow regime is very vital for optimum design and successful mission,” said  Isro chairman Kiran Kumar.

These facilities have been indigenously designed, developed and made in India with the support of Indian industries. The new facilities would help aerodynamic characterization of advanced space transportation systems.

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