| 制冷系统蒸发器结霜特性数值模拟 |
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| 引用本文： | 陈秀环,陈红,王广军. 制冷系统蒸发器结霜特性数值模拟[J]. 重庆大学学报(自然科学版), 2005, 28(10): 43-45 |
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| 作者姓名： | 陈秀环 陈红 王广军 |
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| 作者单位： | 重庆大学,动力工程学院,重庆,400030;重庆大学,动力工程学院,重庆,400030;重庆大学,动力工程学院,重庆,400030 |
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| 摘 要： | 为了深入分析制冷空调系统运行性能和合理确定融霜周期,需要研究蒸发器表面的结霜过程和霜层厚度的变化过程.根据传热传质过程基本理论和相关的经验公式,建立了蒸发器外表面水蒸汽传质及霜层生长过程数学模型,对某类翅片管式蒸发器外表面结霜过程及霜层厚度变化过程进行了数值模拟,并分析了外界参数变化对结霜厚度的影响.
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| 关 键 词： | 制冷系统 蒸发器 结霜 数值模拟 |
| 文章编号： | 1000-582X（2005）10-0043-03 |
| 收稿时间： | 2005-05-17 |
| 修稿时间： | 2005-05-17 |
Numerical Simulation of Frost Characteristic on Refrigeration System Evaporator |
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| CHEN Xiu-huan,CHEN Hong,WANG Guang-jun. Numerical Simulation of Frost Characteristic on Refrigeration System Evaporator[J]. Journal of Chongqing University(Natural Science Edition), 2005, 28(10): 43-45 |
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| Authors: | CHEN Xiu-huan CHEN Hong WANG Guang-jun |
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| Affiliation: | College of Power Engineering, Chongqing University, Chongqing 400030, China |
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| Abstract: | In order to analyze the running performance of refrigeration air conditioning system and confirm thaw periods in reason, frost process and change process of frost thickness of evaporator surface are studied. Based on basic theory and experiential formula of heat transfer process and mass transfer process, the math model of mass transfer of vapor on evaporator outside and growth process of frost are established. Aiming at a sort of finned-tube evaporator, frost process and change process of frost thickness are simulated numerically. The influence of environment parameters is analyzed. |
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| Keywords: | refrigeration system evaporator frost numerical simulation |
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