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首页> 外文期刊>Asian journal of water, environment and pollution >Design Investigation of 5 kW Organic Rankine Cycle (ORC) System Using Diffusion Absorption Refrigeration (DAR) for Cooling and Power Generation for India
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Design Investigation of 5 kW Organic Rankine Cycle (ORC) System Using Diffusion Absorption Refrigeration (DAR) for Cooling and Power Generation for India

机译：使用扩散吸收制冷（DAR）为印度冷却发电5千瓦有机朗肯循环（ORC）系统的设计调查

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A country like India has great potential for the conversion of waste heat into power through Organic Rankine Cycle (ORC). This paper focuses on the design feasibility of a method to produce combined power and cooling effect through ORC, which is environment friendly as it adds no emission for the environment. The organic fluid R123 has been selected for organic Rankine cycle. The working fluid R123 has very low ODP (ozone depletion potential of 0.02) and GWP (global wanning potential of 77). The electrical power output and power output of expander are 5 kW and 5.26 kW respectively. The source temperature for ORC is 130. At the outlet of the evaporator the temperature of heat transfer fluid is 110. This available heat at the evaporator outlet act as heat input for diffusion absorption refrigeration (DAR) system. The working fluid for this system is selected as NH_3-LiNO_3-He, which operates at lower generator temperature. The evaporator temperature of DAR system is achieved around 5 also the cooling capacity produced around 2.5 kW. This combined system satisfies both cooling and power requirement simultaneously and make a system in uncoupled form. Further, the analysis of the efficiency of ORC system in variable condensing temperature has been done under Indian climatic conditions. The study reveals that with the increment in the ambient temperature condensing temperature increases. The performance of ORC degrades with the increment in condensing temperature. The cooling water from cooling tower passes from the evaporator of DAR system. This leads to decrease in the cooling water temperature from 23.5 to 15.5. The condensing temperature decreases from 35 to 32 due to the temperature reduction of cooling water. In turn, the efficiency of ORC system increases by approximately 7%. This combined system meets the demand of both power production and cooling effect with no emission of pollutants to the environment.
机译：像印度这样的国家通过有机朗肯循环（ORC）将废热转换为能力的巨大潜力。本文侧重于通过ORC制作组合电源和冷却效果的方法的设计可行性，这是环境友好，因为它不会为环境产生排放。已选择有机液R123用于有机朗肯循环。工作流体R123具有非常低的ODP（臭氧耗尽电位为0.02）和GWP（全球瓦宁电位为77）。膨胀机的电力输出和功率输出分别为5千瓦和5.26千瓦。 ORC的源极温度为130.在蒸发器的出口处，传热流体的温度为110.蒸发器出口处的可用热量充当扩散吸收制冷（DAR）系统的热输入。该系统的工作流体被选为NH_3-LINO_3-HE，其在较低的发电机温度下运行。 DAR系统的蒸发器温度达到5左右，冷却能力约为2.5千瓦。该组合系统同时满足冷却和功率要求，并以解耦形式制造系统。此外，在印度气候条件下，在可变冷凝温度下进行了兽人系统效率的分析。该研究表明，随着环境温度冷凝温度的增量增加。 ORC的性能降低了冷凝温度的增量。冷却塔的冷却水通过了DAR系统的蒸发器。这导致冷却水温度降低23.5至15.5。由于冷却水的温度降低，冷凝温度从35到32降低。反过来，兽人系统的效率增加约7％。该组合系统符合电力生产和冷却效果的需求，不会向环境排放污染物。

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