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Viscous dissipation effect on entropy generation in curved square microchannels

Guo, Jiangfeng; Xu, Mingtian; Cai, Jun; Huai, Xiulan - In: Energy 36 (2011) 8, pp. 5416-5423

The viscous dissipation effect on the thermodynamic performance of the curved square microchannels in laminar flow is numerically investigated. The classical Navier–Stokes equations are adopted; aniline and ethylene glycol are selected as the working fluids. The results show that the heat...

Persistent link: https://www.econbiz.de/10010811378

Thermodynamic analysis of lead–bismuth eutectic turbulent flow in a straight tube

Guo, Jiangfeng; Huai, Xiulan - In: Energy 57 (2013) C, pp. 600-606

The entropy generation in Lead–Bismuth Eutectic (LBE) turbulent flow in a cooled straight tube with a diameter of 10 mm and a length of 1 m is numerically investigated taking into account the temperature-dependent of LBE properties. The standard k-epsilon turbulence model combined with...

Persistent link: https://www.econbiz.de/10011054403

Thermodynamic analysis of waste heat power generation system

Guo, Jiangfeng; Xu, Mingtian; Cheng, Lin - In: Energy 35 (2010) 7, pp. 2824-2835

considering the heat/exergy loss to the environment. For the criteria without considering the heat/exergy loss to the environment … the heat/exergy loss to the environment is taken into consideration, the first and second law efficiencies display the … performance: one is to improve the heat/exergy input; the other is to enhance the heat-work conversion ability of the system. The …

Persistent link: https://www.econbiz.de/10010811283