| 非饱和蒸发式冷却器传热性能实验研究 |
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| 引用本文： | 李雪玲,朱冬生,郑伟业,周洪剑.非饱和蒸发式冷却器传热性能实验研究[J].制冷学报,2011,32(4). |
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| 作者姓名： | 李雪玲 朱冬生 郑伟业 周洪剑 |
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| 作者单位： | 1. 华东理工大学机械与动力工程学院 上海200237
2. 上海市宝丰机械制造有限公司 上海200444 |
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| 摘 要： | 蒸发式冷却器因其明显的高效、节能优势,在制冷及其他工业领域中得到了广泛的应用.由于蒸发式冷却器的换热过程涉及质扩散和气液两相流,其性能涉及的相关因素较多,所以针对一套完整的蒸发式冷却器进行性能测试,以分析这些因素对蒸发式冷却器能的影响.实验结果表明,降低管内冷却水流量,增加风量和喷淋水量均可提高蒸发式冷却器的冷却效率.对于结构参数及工艺参数一定的蒸发式冷却器,影响其性能最大的因素为风量,其次为环境湿球温度,再次为喷淋水量.
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| 关 键 词： | 动力工程热物理 运行参数 冷却效率 |
Experimental Research of Heat Transfer Performance for Unsaturated Evaporative Cooler |
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| Li Xueling
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Zhu Dongsheng
,
Zheng Weiye
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Zhou Hongjian.Experimental Research of Heat Transfer Performance for Unsaturated Evaporative Cooler[J].Journal of Refrigeration,2011,32(4). |
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| Authors: | Li Xueling Zhu Dongsheng Zheng Weiye Zhou Hongjian |
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| Affiliation: | Li Xueling1 Zhu Dongsheng1 Zheng Weiye1 Zhou Hongjian2(1.Institute of Mechanical and Power Engineering,East China University of Science and Technology,Shanghai,200237,China,2.Shanghai Baofeng Machinery Manufacturing Co.,Ltd.Shanghai,200444,China) |
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| Abstract: | Due to its advantage of high-efficiency and energy-savings,evaporative cooler has been widely used in refrigeration and other industrial areas.The heat transfer process includes mass diffusion and gas-liquid two-phase flow,many factors will influence the cooling performance.A comprehensive performance test of evaporative cooler has been done to analyze the influence of these factors.Experimental results show that increasing the flow rate of air and sprayed water can improve the efficiency of cooling.For the... |
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| Keywords: | Tubular evaporative cooler Operating parameters Cooling efficiency |
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