| 太阳能喷射式空调系统中喷射系数的计算方法的探讨 |
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| 引用本文： | 陶乐仁,王永红,王金锋,郑志皋,黄理浩. 太阳能喷射式空调系统中喷射系数的计算方法的探讨[J]. 低温与超导, 2009, 37(6) |
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| 作者姓名： | 陶乐仁 王永红 王金锋 郑志皋 黄理浩 |
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| 作者单位： | 1. 上海理工大学动力学院低温研究所,上海,200093
2. 上海理工大学动力学院低温研究所,上海,200093;特灵空调系统(中国)有限公司上海分公司,上海,200001 |
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| 基金项目： | 国家高技术研究发展计划 |
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| 摘 要： | 喷射系数是喷射器最重要的性能参数之一,在喷射式空调系统中喷射系数的大小直接决定着太阳能喷射式空调系统的工作能力。通过研究发现,测得喷射器的进口、出口壁面的温度和压力,利用制冷剂工质的物性计算软件计算出测点的热工参数,根据热力学定律可以计算出喷射系数。通过喷射器的CFD模拟数据计算,并且把由质量流量计算的直接法所获得的喷射系数,与壁面测量法计算的间接法所获得的喷射系数进行了比较,比较结果验证了喷射系数的壁面测量法的可行性。
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| 关 键 词： | 喷射系数 可用能 空调系统 温度测量 压力测量 |
Discuss of the entrainment ratio calculation method in ejector air-conditioner system powered by solar energy |
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| Tao Leren,Wang Yonghong,Wang Jinfeng,Zheng Zhigao,Huang Lihao. Discuss of the entrainment ratio calculation method in ejector air-conditioner system powered by solar energy[J]. Cryogenics and Superconductivity, 2009, 37(6) |
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| Authors: | Tao Leren Wang Yonghong Wang Jinfeng Zheng Zhigao Huang Lihao |
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| Affiliation: | Tao Leren1,Wang Yonghong1,2,Wang Jinfeng1,Zheng Zhigao1,Huang Lihao1(1.University of Shanghai for Science and Technology,Shanghai 200093,China2.Trane company in China,Shanghai 200001,China) |
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| Abstract: | The entrainment ratio is one of the most important performance parameter.The value of the entrainment ratio affect the performance of the ejector air-conditioner system powered by solar energy.The thermodynamics parameters can be calculate by the measurement of the temperature and pressure on the wall of the ejector inlet and outlet.And based on the parameters,the ejector entrainment ratio can be achieved through the thermodynamics laws.The simulation of ejector with CFD technique was done.On the base of th... |
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| Keywords: | Entrainment ratio Energy Air-conditioner system Temperature measurement Pressure measurement |
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