Experimental investigation of heat transfer to supercritical R245fa flowing vertically upward in a circular tube

•Supercritical heat transfer characteristics of R245fa was investigated for ORC system.•Effects of mass flux, heat flux, and pressure were discussed.•Heat transfer impairment was found under moderate ratio of heat and mass flux.•Irreproducibility in the heat transfer was observed at certain working...

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Veröffentlicht in:	International journal of heat and mass transfer 2018-12, Vol.127, p.286-295
Hauptverfasser:	He, Jiacheng, Dang, Chaobin, Hihara, Eiji
Format:	Artikel
Sprache:	eng
Schlagworte:	Circular tubes Deterioration Electron tubes Fluids Forced convection Heat flux Heat transfer Heat transfer coefficients Organic chemicals Organic Rankine cycle Predictions R245fa Supercritical heat transfer Supercritical processes Upward flow Vertical tube
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