Management of a Plane Turbulent Wall Jet by the Large-Eddy Break-up Device(<Special Issue>Jets, Wakes and Separated Flows)

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概要

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

• 一般社団法人日本機械学会の論文
• 2006-11-15

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)
• The Structure of a Turbulent Wake behind a Cruciform Circular Cylinder : 1st Report, The Mean Velocity Field
• A Numerical Study on the Blood Flow in an Artery with a Rough Surface (1st Report, Steady Flow) : Series B : Fluids Engineering, Heat Transfer, Combustion, Power, Thermophysical Properties
• 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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