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Experimental investigation of flow and heating in a resonance tube

Published online by Cambridge University Press:  19 April 2006

Virendra Sarohia  and
Lloyd H. Back
Virendra Sarohia
Affiliation:
Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91103
Lloyd H. Back
Affiliation:
Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91103
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Abstract

Experiments have been performed to determine the basic mechanism of heating in resonance tubes of square section with constant area excited by underexpanded jet flows. The jet flow between the nozzle exit and the tube inlet plays a key role in the performance of a resonance tube. A detailed and systematic investigation of the unsteady complex shock structure in this part of the flow region has led to a better understanding of the fundamental mechanisms associated with the gas heating in such tubes. A study of the effects of tube location in relation to free-jet shock location (without the presence of the resonance tube) has shed further light on the underlying mechanism of sustained oscillations of the flow in a resonance tube.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 94 , Issue 4 , 29 October 1979 , pp. 649 - 672
Copyright
© 1979 Cambridge University Press

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