Computational redesign of the test section for the Boeing/AFOSR Mach 6 Quiet Tunnel-Reference-Cited by-同舟云学术

Computational redesign of the test section for the Boeing/AFOSR Mach 6 Quiet Tunnel

Published:2009-04-01 Issue:4 Volume:223 Page:407-413
ISSN:0954-4100
Container-title:Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering
language:en
Short-container-title:Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering

Author:

Naiman H¹,Knight D D¹,Schneider S P²

Affiliation:

1. Department of Mechanical and Aerospace Engineering, Rutgers — The State University of New Jersey, Piscataway, New Jersey, USA

2. School of Aeronautics and Astronautics, Purdue University, West Lafayette, Indiana, USA

Abstract

A proposed modification of the test section in the Boeing/AFOSR Mach 6 Quiet Tunnel is evaluated using CFD. The new design incorporates a section of increased diameter with the intention of enabling the tunnel to start in the presence of larger blunt models. Cone models with fixed base diameter (and hence fixed blockage ratio) are selected for this study. Cone half-angles from 15° to 75° are examined to ascertain the effect of the strength of the test model shock wave on the tunnel startup. The unsteady, laminar, compressible Navier—Stokes equations are solved. The resulting flowfields are examined to see what affect the shocks and shear layers would have on the quiet test section flow. This study indicates that cone angles ≤20° allow the tunnel to start.

Publisher

SAGE Publications

Subject

Mechanical Engineering,Aerospace Engineering

Link

http://journals.sagepub.com/doi/pdf/10.1243/09544100JAERO424

Reference5 articles.

1. Laminar-Turbulent Transition on Reentry Capsules and Planetary Probes

2. Mach 6 Experiments of Transition on a Cone at Angle of Attack

3. Automated Design Optimization for the P2 and P8 Hypersonic Inlets

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