Convective Heat Transfer of the Rotational and Axial Flow between Two Concentric Cylinders

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概要

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• This paper considers convective heat transfer to a flow in an annular gap with an axial flow between a rotating inner cylinder and a stationary outer cylinder. The experimental results indicate that the heat flow from the surface of the inner rotating cylinder is the sum of the following two kinds of the heat flow : one by turbulent vortices induced by rotation instead of Taylor vortices and the other by the turbulent axial flow. For turbulent vortices we have the empirical equation for the overall heat transfer coefficient when without an axial flow : [numerical formula] Moreover for the turbulent axial flow we have the empirical equation on the heat transfer coefficient [numerical formula] Here it is shown how this correlation of summing up the two heat flows is applicable to the wide regime of such mixed flow.

• 一般社団法人日本機械学会の論文

著者

• Tachibana Fujio

  Institute Of Industrial Science University Of Tokyo.

• FUKUI Sukeo

  Central Research Laboratory, Tokyo Shibaura Electric Co., Ltd.

関連論文

• Convective Heat Transfer of the Rotational and Axial Flow between Two Concentric Cylinders
• Some Experimental Results on Heat Transfer Characteristic of Air Cooled Heat Exchangers for Air Conditioning Devices

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