The main objective of this paper is to simulate solar absorption cooling systems that use ammonia mixture as a working fluid to produce cooling. In this study, we have considered different configurations based on the ammonia–water (NH3–H2O) cooling cycle depending on the solar thermal technology: Evacuated tube collectors (ETC) and parabolic trough (PTC) solar collectors. To compare the configurations we have performed the energy, exergy, and economic analysis. The effect of heat source temperature on the critical parameters such as coefficient of performance (COP) and exegetic efficiency has been investigated for each configuration. Furthermore, the required optimum area and associated cost for each collector type have been determined. The methodology is applied in a specific case study for a sports arena with a 700~800 kW total cooling load. Results reveal that (PTC/NH3-H2O)configuration gives lower design aspects and minimum rates of hourly costs (USD 11.3/h) while (ETC/NH3-H2O) configuration (USD 12.16/h). (ETC/NH3-H2O) gives lower thermo-economic product cost (USD 0.14/GJ). The cycle coefficient of performance (COP) (of 0.5).

中文翻译：

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多种集热器集成的水氨太阳能吸收式空调系统的热经济性评价

本文的主要目的是模拟使用氨混合物作为工作流体来产生冷却的太阳能吸收冷却系统。在这项研究中，我们考虑了基于氨水 (NH3–H2O) 冷却循环的不同配置，具体取决于太阳能热技术：真空管集热器 (ETC) 和抛物槽 (PTC) 太阳能集热器。为了比较配置，我们进行了能源、火用和经济分析。已经针对每种配置研究了热源温度对诸如性能系数 (COP) 和解释效率等关键参数的影响。此外，已经确定了每种收集器类型所需的最佳面积和相关成本。该方法应用于具有 700~800 kW 总冷负荷的运动场的特定案例研究。结果表明，(PTC/NH3-H2O) 配置提供了更低的设计方面和最低每小时成本 (11.3 美元/小时)，而 (ETC/NH3-H2O) 配置（12.16 美元/小时）。(ETC/NH3-H2O) 提供较低的热经济产品成本（0.14 美元/GJ）。循环性能系数 (COP)（0.5）。