Flow and Temperature Fields around a Heated Circular Cylinder in a Fluctuating Flow of Low Reynolds Number : A Numerical Study on Thermo-Fluiddynamic Response of the Hot-Wire

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概要

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• The purpose of the present paper is to elucidate the thermo-fluiddynamic characteristics of the constant-temperature hot-wire anemometer by a numerical calculation. Solving the vorticity and energy equations by an implicit difference approximation, obtained are the flow patterns and isotherms around a heated circular cylinder in a fluctuating flow for the time-mean flow of Re=4 and 40. The drag force and the rates of heat transfer from the cylinder are then determined. Their dependence on the amplitude and frequency of flow fluctuations are discussed, remarking the validity of the quasi-steady approximation.

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著者

• Obokata Tomio

  College Of Technology Gunma University

• Okajima Atsushi

  Research Institute For Applied Mechanics Kyushu University

関連論文

• Viscous Flow Around a Transversally Oscillating Elliptic Cylinder
• Viscous Flow Around a Rotationally Oscillating Circular Cylinder
• Flow and Temperature Fields around a Heated Circular Cylinder in a Fluctuating Flow of Low Reynolds Number : A Numerical Study on Thermo-Fluiddynamic Response of the Hot-Wire
• Flows around Two Tandem Circular Cylinders at Very High Reynolds Numbers

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