Velocity measurements and flow visualizations of jet interaction with a sharp density interface

Shenqyang Shy; W. J. Yeh; C. C. Chu

Velocity measurements and flow visualizations of jet interaction with a sharp density interface

Shenqyang Shy, W. J. Yeh, C. C. Chu

Department of Mechanical Engineering

Research output: Contribution to conference › Paper › peer-review

Abstract

Velocity measurements and flow visualization through the end of a high Reynolds-number round jet which impinged from above on a sharp, vertically stable density interface have been conducted in a water tank using a two-component laser Doppler velocimetry and a chemically reacting, laser-induced fluorescence techniques. It was found for the first time that turbulence characteristics of the penetrating jet front are influenced considerably by the entrainment and mixing of fluid across the bounding density interface. These results reveal that the assumption of the negligence of the influence of stratification on turbulence characteristics of the penetrating jet/plume assumed by Baines (1975) and Kumagai (1984) may require reconsideration.

Original language	English
State	Published - 1997
Event	Proceedings of the 1997 ASME Fluids Engineering Division Summer Meeting, FEDSM'97. Part 16 (of 24) - Vancouver, Can Duration: 22 Jun 1997 → 26 Jun 1997

Conference

Conference	Proceedings of the 1997 ASME Fluids Engineering Division Summer Meeting, FEDSM'97. Part 16 (of 24)
City	Vancouver, Can
Period	22/06/97 → 26/06/97

Cite this

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title = "Velocity measurements and flow visualizations of jet interaction with a sharp density interface",

abstract = "Velocity measurements and flow visualization through the end of a high Reynolds-number round jet which impinged from above on a sharp, vertically stable density interface have been conducted in a water tank using a two-component laser Doppler velocimetry and a chemically reacting, laser-induced fluorescence techniques. It was found for the first time that turbulence characteristics of the penetrating jet front are influenced considerably by the entrainment and mixing of fluid across the bounding density interface. These results reveal that the assumption of the negligence of the influence of stratification on turbulence characteristics of the penetrating jet/plume assumed by Baines (1975) and Kumagai (1984) may require reconsideration.",

author = "Shenqyang Shy and Yeh, {W. J.} and Chu, {C. C.}",

year = "1997",

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note = "Proceedings of the 1997 ASME Fluids Engineering Division Summer Meeting, FEDSM'97. Part 16 (of 24) ; Conference date: 22-06-1997 Through 26-06-1997",

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TY - CONF

T1 - Velocity measurements and flow visualizations of jet interaction with a sharp density interface

AU - Shy, Shenqyang

AU - Yeh, W. J.

AU - Chu, C. C.

PY - 1997

Y1 - 1997

N2 - Velocity measurements and flow visualization through the end of a high Reynolds-number round jet which impinged from above on a sharp, vertically stable density interface have been conducted in a water tank using a two-component laser Doppler velocimetry and a chemically reacting, laser-induced fluorescence techniques. It was found for the first time that turbulence characteristics of the penetrating jet front are influenced considerably by the entrainment and mixing of fluid across the bounding density interface. These results reveal that the assumption of the negligence of the influence of stratification on turbulence characteristics of the penetrating jet/plume assumed by Baines (1975) and Kumagai (1984) may require reconsideration.

AB - Velocity measurements and flow visualization through the end of a high Reynolds-number round jet which impinged from above on a sharp, vertically stable density interface have been conducted in a water tank using a two-component laser Doppler velocimetry and a chemically reacting, laser-induced fluorescence techniques. It was found for the first time that turbulence characteristics of the penetrating jet front are influenced considerably by the entrainment and mixing of fluid across the bounding density interface. These results reveal that the assumption of the negligence of the influence of stratification on turbulence characteristics of the penetrating jet/plume assumed by Baines (1975) and Kumagai (1984) may require reconsideration.

UR - http://www.scopus.com/inward/record.url?scp=0030702459&partnerID=8YFLogxK

M3 - 會議論文

AN - SCOPUS:0030702459

T2 - Proceedings of the 1997 ASME Fluids Engineering Division Summer Meeting, FEDSM'97. Part 16 (of 24)

Y2 - 22 June 1997 through 26 June 1997

ER -

Velocity measurements and flow visualizations of jet interaction with a sharp density interface

Abstract

Conference

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