Simulation and experiments on cooling and power system driven a solid sorption combined by the exhaust waste heat
Simulation and experiments on cooling and power system driven a solid sorption combined by the exhaust waste heat作者机构：Institute of Refrigeration and Cryogenics Shanghai Jiao Tong University Shanghai 200240 China
出 版 物：《Frontiers in Energy》 (能源前沿（英文版）)
年 卷 期：2017年第11卷第4期
页 面：516-526页
核心收录：
学科分类：08[工学] 0813[工学-建筑学] 0814[工学-土木工程]
基 金：This work was supported by the National Natural Science Foundation of China (Grant No. 51576120)
主 题：solid sorption exhaust waste heat combinedcooling and power system exergy efficiency
摘 要：A solid sorption combined cooling and power system driven by exhaust waste heat is proposed, which consists of a MnCl2 sorption bed, a CaCl2 sorption bed, an evaporator, a condenser, an expansion valve, and a scroll expander, and ammonia is chosen as the working fluid. First, the theoretical model of the system is established, and the partitioning calculation method is proposed for sorption beds. Next, the experimental system is estab- lished, and experimental results show that the refrigerating capacity at the refrigerating temperature of-10℃ and the resorption time of 30 min is 1.95 kW, and the shaft power is 109.2 W. The system can provide approximately 60% of the power for the evaporator fan and the condenser fan. Finally, the performance of the system is compared with that of the solid sorption refrigeration system. The refrigerating capacity of two systems is almost the same at the same operational condition. Therefore, the power generation process does not influence the refrigeration process. The exergy efficiency of the two systems is 0.076 and 0.047, respectively. The feasibility of the system is determined, which proves that this system is especially suitable for the exhaust waste heat recovery.
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