The buoyancy force and flow acceleration effects of supercritical CO2 on the turbulent heat transfer characteristics in heated vertical helically coiled tube

•The buoyancy parameter ϕ2 is proposed to quantified analysis buoyancy effect.•Flow acceleration plays a role in the heat transfer deterioration at q+ > 4.5 × 10−4.•The buoyancy factor Fb and acceleration factor Fac are proposed.•A new correlation is proposed for supercritical CO2 in helically co...

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Vydané v:	International Journal of Heat and Mass Transfer Ročník 125; s. 274 - 289
Hlavní autori:	Zhang, Shijie, Xu, Xiaoxiao, Liu, Chao, Zhang, Yadong, Dang, Chaobin
Médium:	Journal Article
Jazyk:	English Japanese
Vydavateľské údaje:	Elsevier Ltd 01.10.2018 Elsevier BV
Predmet:	Buoyancy force Flow acceleration Helically coiled tube Semi-empirical correlation Supercritical CO2 Flow acceleration Helically coiled tube Supercritical CO2 Buoyancy force Semi-empirical correlation
ISSN:	0017-9310, 1879-2189
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