SOURCE: IDRW.ORG
In a landmark collaboration that underscores India’s ambition in aerospace research and development, the Council of Scientific and Industrial Research – National Aerospace Laboratories (CSIR-NAL), the Defence Research and Development Organisation (DRDO), and the Indian Space Research Organisation (ISRO) have in-principle approved a project to build a new Trisonic Wind Tunnel facility. This initiative is set to revolutionize aerodynamic testing in India by combining the expertise and resources of three of the nation’s premier research bodies.
The proposed Continuous Trisonic Wind Tunnel (CTWT) is poised to be one of the world’s most advanced facilities of its kind. The project, which has been greenlit for development, will span six years with a completion target of 2031. A Detailed Project Report (DPR) is expected to be finalized by July 2025.
Continuous Type Wind Tunnel will have a test section measuring 2.5 meters wide by 2.5 meters high, capable of achieving Mach numbers from 0.1 to 1.8. This setup will allow for continuous operation, providing long-duration tests critical for understanding steady-state aerodynamic behaviors.
Blowdown Type Wind Tunnel Adjacent to the continuous tunnel, a blowdown tunnel will be constructed with a test section of 1.75 meters wide by 1.75 meters high, designed to operate at higher speeds with Mach numbers ranging from 1.6 to 4. This tunnel will simulate transient flight conditions, offering insights into high-speed aerodynamics.
This facility will significantly reduce India’s reliance on foreign wind tunnel facilities for testing, thereby saving costs, time, and enhancing national security by keeping sensitive projects in-country.
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