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首页> 外文期刊>International journal of hydrogen energy >Parametric study of a hybrid system integrating a phosphoric acid fuel cell with an absorption refrigerator for cooling purposes
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Parametric study of a hybrid system integrating a phosphoric acid fuel cell with an absorption refrigerator for cooling purposes

机译:将磷酸燃料电池与吸收式制冷机集成在一起以进行冷却的混合动力系统的参数研究

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摘要

A hybrid system that integrates an absorption refrigerator and a PAFC (phosphoric acid fuel cell) is proposed to recover waste heat for cooling purposes. The operating current density interval of the PAFC that enables the absorption refrigerator to cool effectively is determined. The numerical expressions for the equivalent power output and efficiency of the hybrid system are specified at different operating conditions. Calculations show that the maximum power density and corresponding efficiency using the hybrid system can be increased by 2.6% and 3.0%, respectively, compared to system only using a PAFC. The general performance characteristics and optimum criteria for the hybrid system are revealed. Comprehensive parametric analyses were conducted to determine the effects of internal irreversibilities in the absorption refrigerator, some integrated parameters related to the thermodynamic losses, and the operating current density, temperature and pressure of the PAFC on the performance of the hybrid system. Copyright (C) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
机译:提出了一种将吸收式制冷机和PAFC(磷酸燃料电池)集成在一起的混合系统,以回收废热以进行冷却。确定使吸收式制冷机有效冷却的PAFC的工作电流密度间隔。在不同的运行条件下指定了混合动力系统等效功率输出和效率的数值表达式。计算表明,与仅使用PAFC的系统相比,使用混合系统的最大功率密度和相应的效率可以分别提高2.6%和3.0%。揭示了混合系统的一般性能特征和最佳标准。进行了全面的参数分析,以确定吸收式制冷机内部不可逆性,一些与热力学损失有关的综合参数以及PAFC的工作电流密度,温度和压力对混合系统性能的影响。 Hydrogen Energy Publications,LLC版权所有(C)2015。由Elsevier Ltd.出版。保留所有权利。

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