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1

Improvement of a Cooling Effectiveness by the Use of a Delta-Tab

NISHIMURA Masaki , SHIZAWA Takaaki , HONAMI Shinji

Bulletin of GTSJ 1998, 24, 1998-03-01
2

Passive Control of Wall Jet Injected into a Two-Dimensional Turbulent Boundary Layer : Effects of a Delta Tab Attached to the Exit of an Injection Hole [in Japanese]

SHIZAWA Takaaki , NISHIMURA Masaki , HONAMI Shinji

… We describe the effects of a delta tab attached to the exit of an injection hole for passive control of a wall jet. … Upstream tab with streamwise injection prevents the primary stream from convoluting in the downstream region. … Upstream tab with lateral injection increases the width of the high-temperature region in the spanwise direction. …

Transactions of the Japan Society of Mechanical Engineers. B 63(605), 88-93, 1997-01-25

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3

Improvement of a Cooling Effectiveness by the Use of a Delta-Tab [in Japanese]

NISHIMURA Masanori , SHIZAWA Takaaki , HONAMI Shinji

… This paper describes the effects of a delta-tab on the film cooling effectiveness. … A small delta-tab is installed at the edge of the injection hole exit. … Upstream-tab in streamwise injection prevents the primary stream from convoluting in the downstream region. … The total cooling effectiveness in streamwise injection with a upstream-tab is larger than that in the spanwise injection at downstream. …

Journal of the Gas Turbine Society of Japan 24(95), 66-73, 1996-12-10

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