India’s oldest Open Circuit Wind Tunnel at IISc gets an upgrade

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The Open circuit upwind   passageway  astatine  the Indian Institute of Science (IISc) campus, successful  Bengaluru.

The Open circuit upwind passageway astatine the Indian Institute of Science (IISc) campus, successful Bengaluru. | Photo Credit: File Photo

The upgraded Open Circuit Wind Tunnel (OCWT) astatine the Department of Aerospace Engineering, IISc volition beryllium inaugurated connected January 12.

OCWT is the oldest installation successful India initiated successful the 1950s nether the guidance of Prof. O.G. Tietjens, and completed successful 1959 nether the chairmanship of Prof. Satish Dhawan. Inaugurated by Jaya Chamaraja Wadiyar, the past Maharaja of Mysore, the OCWT remains the largest upwind passageway installation successful the country.

Over the decades, it has been instrumental successful supporting respective nationalist aerospace improvement programmes arsenic good arsenic non-aerospace studies.

According to the department, successful 2025, the installation underwent a large upgrade with enactment from TVS and IISc that progressive replacing the bequest fan-motor thrust strategy with a modern state-of-the-art system. This has accrued the maximum test-section velocity from 45m/s to 70m/s with much precise velocity power and enhanced levels of automation.

Over the past 66 years, the OCWT has conducted much than 370 trial campaigns. The OCWT analyzable is equipped with a dedicated state-of-the-art High-Performance Computing (HPC) Cluster. This strategy was initially launched successful 2018, with enactment from MDL, featuring 224 CPU cores distributed crossed 8 nodes, each powered by Intel Xeon E5-2683 v3 processors.

“In December 2025, an further 1,280 CPU cores were added crossed 5 caller nodes, supported by RWRDC-HAL, utilising the latest AMD EPYC 9754 server processors. The caller clump volition beryllium utilized chiefly to execute CFD simulations for the HAL project. We besides utilise PARAM-Pravega astatine SERC, IISc for computations,” the section added.

Published - January 11, 2026 07:52 p.m. IST

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