MANAGEMENT OF A PLANE TURBULENT WALL JET BY THE LARGE-EDDY BREAK-UP DEVICE(Wall Jet and Wall Flow)

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概要

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• Large Eddy Break-up Device (LEBU) was applied to flow management of a plane turbulent wall jet. LEBU was located at three different distances from the wall and the mean velocity, Reynolds shear stress profiles and the wall shear stress were measured. The experimental data show that LEBU reduces development of thickness of the shear layer and magnitude of Reynolds shear stress. The wall shear stress tends to be reduced even if LEBU is placed in the outer layer. These effects are largest when LEBU is placed at the height where the turbulent production term reaches its maximum. Length scale of the large-eddies is reduced in manipulated flows, especially, in the spanwise direction.

• 一般社団法人日本機械学会の論文
• 2005-10-05

著者

• Osaka Hideo

  Yamaguchi University

• MOCHIZUKI Shinsuke

  Yamaguchi University

• YAMADA Seiji

  Yamaguchi Pref. Inst. Industrial Technology

関連論文

• Management of a Plane Turbulent Wall Jet by the Large-Eddy Break-up Device(Jets, Wakes and Separated Flows)
• MANAGEMENT OF A PLANE TURBULENT WALL JET BY THE LARGE-EDDY BREAK-UP DEVICE(Wall Jet and Wall Flow)
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• Effects of Wing Section on Mean Characteristics and Temporal Torque Variation for a Small Straight-Bladed Vertical Axis Wind Turbine
• Flow Management of a Plane Turbulent Wall Jet by a Streamwise Vortex Pair with Periodic Variation in Strength and Radius

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