Experimental and numerical comparison of the heat transfer behaviors and buoyancy effects of supercritical CO2 in various heating tubes

•SCO2 heat transfer behaviors in various channels are comparatively studied.•The coupling relationship of buoyancy effect and flow characteristics is discussed.•The various buoyancy criteria are validated in various channels with experimental data.•The heat transfer is improved by helical structures...

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Bibliographic Details
Published in:	International journal of heat and mass transfer Vol. 149; p. 119074
Main Authors:	Zhang, Shijie, Xu, Xiaoxiao, Liu, Chao, Liu, Xinxin, Ru, Zhipeng, Dang, Chaobin
Format:	Journal Article
Language:	English
Published:	Oxford Elsevier Ltd 01.03.2020 Elsevier BV
Subjects:	Buoyancy Buoyancy effect Carbon dioxide Comparative study Computer simulation Deterioration Flow characteristics Heat flux Heat transfer Heat transfer deterioration Heating Helical-coiled tube Mass flow rate Mathematical models Supercritical CO2 Tubes Heat transfer deterioration Helical-coiled tube Supercritical CO2 Comparative study Buoyancy effect
ISSN:	0017-9310, 1879-2189
Online Access:	Get full text
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