Complementary measurement techniques for the detection of wall conditions in supersonic flow

The possibility of indirectly and non-intrusively determining wall temperature or alternatively wall pressure in a 2D supersonic flow is shown using equations of state and interferograms which yield the accompanying density field close to the wall. In the first case, the detection of recovery temper...

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Veröffentlicht in:	Experiments in fluids 2001-05, Vol.30 (5), p.597-601
Hauptverfasser:	KNAUSS, H, GAISBAUER, U, SCHLAICH, F, WAGNER, S
Format:	Artikel
Sprache:	eng
Schlagworte:	Compressible flows shock and detonation phenomena Exact sciences and technology Fluid dynamics Fundamental areas of phenomenology (including applications) Instrumentation for fluid dynamics Physics Shock-wave interactions and shock effects Shock-wave interactions and shockeffects
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Beschreibung
Zusammenfassung:	The possibility of indirectly and non-intrusively determining wall temperature or alternatively wall pressure in a 2D supersonic flow is shown using equations of state and interferograms which yield the accompanying density field close to the wall. In the first case, the detection of recovery temperature is circumvented; in the second case, pressure distribution of higher resolution is attained in regions of unfavorable wall geometry. (Author)
ISSN:	0723-4864 1432-1114
DOI:	10.1007/s003480000269