A forced-oscillation rig for dynamic stability measurements in NAL high speed wind tunnels

Sundaramurthy, H and Jategaonkar, RV and Rao, Prasada K and Vasudeva, NS (1978) A forced-oscillation rig for dynamic stability measurements in NAL high speed wind tunnels. Technical Report. National Aeronautical Laboratory, Bangalore, India.

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Abstract

Description of a wall-mounted forced-oscillation rig developed for pitch-damping measurements in the NAL 1.2m end O.3m Trisonic wind tunnels is resented. Details of rig components, calibration, data acquisition, and reduction methods 4re included. Rig evaluation tests were conducted on a Basic Finner model at Mach numbers of 0.72, 0.8, 2.5, 3.0 and 4.0 in the 1.2m tunnel and at 2.5 in the 0.3m tunnel at zero incidence.. Results of these tests showed good agreement with the free-oscillation measurements obtained on the same model under identical test conditions and also with other experimental results.

Item Type: Monograph (Technical Report)
Uncontrolled Keywords: Trisonic wind tunnels;Wall-mounted forced oscillation
Subjects: AERONAUTICS > Aerodynamics
Depositing User: Poornima Narayana
Date Deposited: 28 Aug 2006
Last Modified: 02 Sep 2015 08:38
URI: http://nal-ir.nal.res.in/id/eprint/2544

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