Entropy generation analysis on a heat exchanger with different design and operation factors during transient processes

Entropy generation analyses on the transient processes of heat exchangers can guide their designs and operations. A dynamic model of a typical recuperative heater is developed based on mass, energy, and momentum conservation equations. Dynamic behaviors of the heater during transient processes are a...

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Veröffentlicht in:	Energy (Oxford) 2018-09, Vol.158, p.330-342
Hauptverfasser:	Wang, Chaoyang, Liu, Ming, Zhao, Yongliang, Qiao, Yongqiang, Yan, Junjie
Format:	Artikel
Sprache:	eng
Schlagworte:	Cold flow Computational fluid dynamics Conduction Conduction heating Conductive heat transfer Conservation equations Design factors Dynamic modeling Dynamic models Energy conservation Entropy Entropy generation Flow rates Flow velocity Fluid flow Heat conductivity Heat exchangers Heat transfer Heaters Metal surfaces Metals Recuperative heaters Specific heat Thermal diffusivity Thermal resistance Thermodynamics Transient processes Working conditions
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