Fluorescence imaging and velocimetry of laminar separation at a fin-body junction in a hypersonic flow

Frank P. Houwing; Daniel R. Smith; Jodie S. Fox; Paul M. Danehy; Neil R. Mudford

doi:10.1117/12.424358

17 April 2001 Fluorescence imaging and velocimetry of laminar separation at a fin-body junction in a hypersonic flow

Frank P. Houwing, Daniel R. Smith, Jodie S. Fox, Paul M. Danehy, Neil R. Mudford

Proceedings Volume 4183, 24th International Congress on High-Speed Photography and Photonics; (2001) https://doi.org/10.1117/12.424358
Event: 24th International Congress on High-Speed Photography and Photonics, 2000, Sendai, Japan

Abstract

Temperature-sensitive fluorescence imaging was performed to visualize the fin bow shock, separation shock, viscous shear layer and recirculation region of the flowfield at the junction of a blunt fin and a flat plate. The fluorescence technique was also used as the basis for a flow-tagging technique, making it possible to measure a velocity component and to demonstrate the reverse flow character of the separated region. From flow visualization images produced for the plane of symmetry, the point of boundary layer separation, the angle of the separation shock and the bow shock standoff distance were determined. These parameters were compared with predictions made by computational fluid dynamic simulations of the flowfield.

Citation Download Citation

Frank P. Houwing, Daniel R. Smith, Jodie S. Fox, Paul M. Danehy, and Neil R. Mudford "Fluorescence imaging and velocimetry of laminar separation at a fin-body junction in a hypersonic flow", Proc. SPIE 4183, 24th International Congress on High-Speed Photography and Photonics, (17 April 2001); https://doi.org/10.1117/12.424358

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