TWO-POINT PRESSURE-VELOCITY CORRELATIONS, CONDITIONAL AVERAGE AND LINEAR ESTIMATION IN A ROUND JET FLOW.

Paul Hsin Pei Chang; Ronald J. Adrian; Barclay G. Jones

TWO-POINT PRESSURE-VELOCITY CORRELATIONS, CONDITIONAL AVERAGE AND LINEAR ESTIMATION IN A ROUND JET FLOW.

Paul Hsin Pei Chang, Ronald J. Adrian, Barclay G. Jones

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

Abstract

Two-point space-time pressure-velocity correlations have been 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 the vortices, and the physical mechanisms responsible for the behavior of the correlations are identified. Conditional averages of pressure fluctuations given the state of the velocity fluctuation was also obtained. A linear estimation model, which utilizes the space-time correlations to estimate the conditional averages, agrees very well with the measured data.

Original language	English (US)
Title of host publication	Unknown Host Publication Title
Publisher	Pergamon Press
Pages	481-491
Number of pages	11
ISBN (Print)	0080316816
State	Published - Dec 1 1986
Externally published	Yes

ASJC Scopus subject areas

General Engineering

Cite this

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title = "TWO-POINT PRESSURE-VELOCITY CORRELATIONS, CONDITIONAL AVERAGE AND LINEAR ESTIMATION IN A ROUND JET FLOW.",

abstract = "Two-point space-time pressure-velocity correlations have been 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 the vortices, and the physical mechanisms responsible for the behavior of the correlations are identified. Conditional averages of pressure fluctuations given the state of the velocity fluctuation was also obtained. A linear estimation model, which utilizes the space-time correlations to estimate the conditional averages, agrees very well with the measured data.",

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N2 - Two-point space-time pressure-velocity correlations have been 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 the vortices, and the physical mechanisms responsible for the behavior of the correlations are identified. Conditional averages of pressure fluctuations given the state of the velocity fluctuation was also obtained. A linear estimation model, which utilizes the space-time correlations to estimate the conditional averages, agrees very well with the measured data.

AB - Two-point space-time pressure-velocity correlations have been 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 the vortices, and the physical mechanisms responsible for the behavior of the correlations are identified. Conditional averages of pressure fluctuations given the state of the velocity fluctuation was also obtained. A linear estimation model, which utilizes the space-time correlations to estimate the conditional averages, agrees very well with the measured data.

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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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