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Experimental investigations of low-temperature driven ejection refrigeration cycle operating with isobutane

机译:异丁烷低温驱动喷射制冷循环的实验研究

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The rapid growth of various applications of the ejection refrigeration systems could be observed recently. Because of possibility of the application of solar or waste energy to supply the motive energy they can be thought as a real alternative to compression devices in air-conditioning technologies. Ejection system can effectively compete with absorption system under temperature of the motive heat source lower than 80℃. The paper deals with experimental investigations carried out on a specially constructed prototype/stand for the case of isobutane as a working fluid under motive vapour temperature below 75℃. The effects of operation parameters are analysed in the paper. The performance of the ejector is presented and discussed. Exemplary pressure distributions for on-design and off-design conditions are presented.
机译:最近可以观察到喷射制冷系统的各种应用的快速增长。由于可以利用太阳能或废料来提供动力,因此可以认为它们是空调技术中压缩设备的真正替代产品。动力热源温度低于80℃时,喷射系统可以有效地与吸收系统竞争。本文研究了在特殊构造的原型/台架上进行的实验研究,以研究异丁烷在低于75℃的运动蒸汽温度下作为工作流体的情况。本文分析了运行参数的影响。介绍并讨论了喷射器的性能。给出了设计时和设计外条件的示例性压力分布。

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