Some Experimental Results on Heat Transfer Characteristic of Air Cooled Heat Exchangers for Air Conditioning Devices

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概要

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• By the flow visualization study, it was shown that the flow in a heat exchanger was quite different according to the tube arrangement, and the flow between the fin plates in the vicinity of the tube was three dimensional one including the vortex street. A comparison between the observed results and heat transfer data was discussed. By the naphthalene sublimation study, a particuler distribution of local mass transfer coefficient on the fin surface was discovered, which was due to the vortex street generated in a boundery layer. With a comparison between the heat transfer and mass transfer data, it was shown that the naphthalene sublimation technique was applicable to the heat exchanger.

• 一般社団法人日本機械学会の論文

著者

• FUKUI Sukeo

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

• SAKAMOTO Moriyoshi

  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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