Two-point pressure-velocity correlations, conditional average and linear estimation in a round jet flow.

P. H.P. Chang; R. J. Adrian; B. G. Jones

Two-point pressure-velocity correlations, conditional average and linear estimation in a round jet flow.

P. H.P. Chang, R. J. Adrian, B. G. Jones

Research output: Chapter in Book/Report/Conference proceeding › Chapter

Abstract

Two point space time pressure velocity correlations were measured in the near field of a round jet flow with a stationary velocity probe and a moving pressure transducer. The correlations show the downstream translation of vortices. The physical mechanisms responsible for the behaviour of the correlation are identified. Conditional averages of pressure fluctuations given the state of the velocity fluctuation are also obtained. A linear estimation model, which utilizes the space time correlations to estimate the conditional averages, agrees very well with the measured data. (A)

Original language	English (US)
Title of host publication	IN
Subtitle of host publication	FLUID CONTROL AND MEASUREMENT, (TOKYO, JAPAN: SEP. 2-6, 1985), M. HARADA (ED.)
Publisher	Pergamon Press
Volume	1 , Oxford, U.K., Pergamon Press, 1986, p.481-491. (ISBN 0-08-031681-6)
ISBN (Print)	0080316816, 9780080316819
State	Published - Jan 1 1986
Externally published	Yes

ASJC Scopus subject areas

General Engineering

Cite this

Two-point pressure-velocity correlations, conditional average and linear estimation in a round jet flow. / Chang, P. H.P.; Adrian, R. J.; Jones, B. G.
IN: FLUID CONTROL AND MEASUREMENT, (TOKYO, JAPAN: SEP. 2-6, 1985), M. HARADA (ED.). Vol. 1 , Oxford, U.K., Pergamon Press, 1986, p.481-491. (ISBN 0-08-031681-6) Pergamon Press, 1986.

Research output: Chapter in Book/Report/Conference proceeding › Chapter

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AB - Two point space time pressure velocity correlations were measured in the near field of a round jet flow with a stationary velocity probe and a moving pressure transducer. The correlations show the downstream translation of vortices. The physical mechanisms responsible for the behaviour of the correlation are identified. Conditional averages of pressure fluctuations given the state of the velocity fluctuation are also obtained. A linear estimation model, which utilizes the space time correlations to estimate the conditional averages, agrees very well with the measured data. (A)

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Two-point pressure-velocity correlations, conditional average and linear estimation in a round jet flow.

Abstract

ASJC Scopus subject areas

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