压缩机驱动金属氢化物制冷系统中金属氢化物的循环吸附量偏小导致系统实际性能不高,同时金属氢化物易粉化结块造成吸附性能衰减,严重影响了压缩机驱动吸附制冷系统的效率.为了解决这一问题,本文提出了采用氯化钡-氨工质对的压缩机驱动制冷系统,并建立了该系统的动态模型.模拟结果表明,与金属氢化物-氢工质对相比,采用膨胀石墨/氯化钡-氨工质对的系统COP提升了约51%;同时系统循环时间增加了约17倍.针对该系统的运行特性,考察了不同循环周期、压缩机体积流率、制冷温度及环境温度等因素对系统制冷性能的影响.
参考文献
[1] | F. Qin;L.H. Guo;J.P. Chen;Z.J. Chen .Pulverization, expansion of La_(0.6)Y_(0.4)Ni_(4.8)Mn_(0.2) during hydrogen absorption-desorption cycles and their influences in thin-wall reactors[J].International journal of hydrogen energy,2008(2):709-717. |
[2] | L.W. Wang;R.Z. Wang;R.G. Oliveira .A review on adsorption working pairs for refrigeration[J].Renewable & sustainable energy reviews,2009(3):518-534. |
[3] | S. Mazumdar;M. Ram Gopal;S. Bhattacharyya .Thermodynamic analysis and optimization of compressor-driven metal hydride cooling systems[J].International journal of hydrogen energy,2005(6):631-641. |
[4] | Sagnik Mazumdar;M. Ram Gopal;Souvik Bhattacharyya .Dynamic Performance Analysis of a Compressor Driven Metal Hydride Cooling System[J].Journal of Energy Resources Technology,2006(1):35-43. |
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