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PSP Measurements on a Delta Wing-Body Model in the NAL 1.2m Trisonic Wind Tunnel

Klein, C. and Engler, R. and Raju, C. and Viswanath, P. R. and Jagadeeswarachar, S. P. (2001) PSP Measurements on a Delta Wing-Body Model in the NAL 1.2m Trisonic Wind Tunnel. In: PSP Measurements on a Delta Wing-Body Model in the NAL 1.2m Trisonic Wind Tunnel, pp. 1-33. National Aerospace Laboratories, Bangalore 560017, India, August 2001.

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Abstract

This report presents results obtained during the commissioning tests of a PSP system based on DLR technology in the NAL 1.2m trisonic wind tunnel. Measurements were made on a delta-wing-body model using two different binary paints (Optrod-B1 and NAL-G type) at a freestream Mach number of 0.8 and a=10°. A typical PSP image integration time was about 11s during a tunnel blowdown duration of about 20s. The drop in total temperature was typically about 8°C during the image integration. The results showed small changes on surface pressures (between different blowdowns) arising from a drop in tunnel total temperature during a blowdown which may be expected from the paint properties. The surface pressure distributions obtained from the two paints showed high degree of consistency.

Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=2004, monograph_id=SP 0110,
Title:PSP Measurements on a Delta Wing-Body Model in the NAL 1.2m Trisonic Wind Tunnel
Authors:
AuthorsInstitution or Email of Authors
Klein, C.UNSPECIFIED
Engler, R.UNSPECIFIED
Raju, C.EAD, NAL, Bangalore, India
Viswanath, P. R.EAD, NAL, Bangalore, India
Jagadeeswarachar, S. P.NTAF, NAL, Bagalore, India
Date:2001
Journal or Publication Title:PSP Measurements on a Delta Wing-Body Model in the NAL 1.2m Trisonic Wind Tunnel
Page Range:pp. 1-33
Editors:
EditorsEmail
National Aerospace Laboratories, Bangalore, India, UNSPECIFIED
Series Name:E-8-421
Status:Published
Keywords:PSP, Optical Pressure Measurement, Delta-Wing-Body Model, Trisonic wind tunnel, B1 paint
Event Title:National Aerospace Laboratories, Bangalore 560017, India, August 2001
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Flight Physics
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology
Deposited By: Ilka Micknaus
Deposited On:31 Jan 2006
Last Modified:14 Jan 2010 19:31

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