Generalized irreversible heat-engine experiencing a complex heat-transfer law
AbstractThe fundamental optimal relation between optimal power-output and efficiency of a generalized irreversible Carnot heat-engine is derived based on a generalized heat-transfer law, including a generalized convective heat-transfer law and a generalized radiative heat-transfer law, qÂ [is proportional to]Â ([Delta]Tn)m. The generalized irreversible Carnot-engine model incorporates several internal and external irreversibilities, such as heat resistance, bypass heat-leak, friction, turbulence and other undesirable irreversibility factors. The added irreversibilities, besides heat resistance, are characterized by a constant parameter and a constant coefficient. The effects of heat-transfer laws and various loss terms are analyzed. The results obtained corroborate those in the literature.
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Bibliographic InfoArticle provided by Elsevier in its journal Applied Energy.
Volume (Year): 85 (2008)
Issue (Month): 1 (January)
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Web page: http://www.elsevier.com/wps/find/journaldescription.cws_home/405891/description#description
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- Chen, Lingen & Zhu, Xiaoqin & Sun, Fengrui & Wu, Chih, 2006. "Exergy-based ecological optimization of linear phenomenological heat-transfer law irreversible Carnot-engines," Applied Energy, Elsevier, vol. 83(6), pages 573-582, June.
- Chen, Lingen & Zhang, Wanli & Sun, Fengrui, 2007. "Power, efficiency, entropy-generation rate and ecological optimization for a class of generalized irreversible universal heat-engine cycles," Applied Energy, Elsevier, vol. 84(5), pages 512-525, May.
- Chen, Lingen & Sun, Fengrui & Wu, Chih, 2004. "Maximum-profit performance for generalized irreversible Carnot-engines," Applied Energy, Elsevier, vol. 79(1), pages 15-25, September.
- Zhou, Shengbing & Chen, Lingen & Sun, Fengrui & Wu, Chih, 2005. "Optimal performance of a generalized irreversible Carnot-engine," Applied Energy, Elsevier, vol. 81(4), pages 376-387, August.
- Chen, Lingen & Zhou, Jianping & Sun, Fengrui & Wu, Chih, 2004. "Ecological optimization for generalized irreversible Carnot engines," Applied Energy, Elsevier, vol. 77(3), pages 327-338, March.
- Chen, Lingen & Zhu, Xiaoqin & Sun, Fengrui & Wu, Chih, 2006. "Effect of mixed heat-resistances on the optimal configuration and performance of a heat-engine cycle," Applied Energy, Elsevier, vol. 83(6), pages 537-544, June.
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