双效串联流动溴化锂- h2o蒸汽吸收式制冷机的热力学建模与优化

M. Ghani, M. Zaman, Imran Khan
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引用次数: 5

摘要

吸收式冷水机组是一种需要低品位热能的设备,如工厂废热或可再生能源,如地热、太阳能等。由于吸收系统在较低的性能系数(COP)范围内运行,因此有必要对这些系统的性能进行优化。本文对双效串联流吸收式冷水机组进行了第二定律分析和优化,以提高机组的COP和能效。评估了这些性能参数对元件温度的依赖性。利用MATLAB对优化问题进行求解,优化了运行条件,使COP提高了近10.25%,能效提高了38.5%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Thermodynamic modeling and optimization of double effect series flow LiBr-H2O vapor absorption chiller
Absorption chillers are the devices that required low grade thermal energy for instance waste heat of plant or renewable energy resources such as geothermal, solar etc. As absorption systems operate over lower coefficient of performance (COP) ranges therefore it is necessary to optimize the performance of these system. In this work, second law analysis and optimization of double effect series flow absorption chiller has been performed to improve its COP and energy efficiency. The dependence of these performance parameters on temperature of components has been assessed. Solution of the optimization problem using MATLAB has optimized the operating conditions which led to improvement COP nearly 10.25% and energy efficiency by 38.5%.
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