Influence of Air-Flow Imbalance and Refrigerant Flow Path Pattern on an Evaporator's Performance

Kunihiko Kaga; Satoru Kotoh; Teturo Ogushi; Hideo Yoshida

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Influence of Air-Flow Imbalance and Refrigerant Flow Path Pattern on an Evaporator's Performance

机译：气流不平衡和制冷剂流路模式对蒸发器性能的影响

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摘要

This paper presents the influence of air flow imbalance on performance of an evaporator and the effect of the refrigerant flow path pattern. To estimate the influence, we applied a thermal network method that takes refrigerant quality distribution in the heat exchanger into account. The prediction shows that performance of the evaporator falls by 6% with a 40% imbalance of air flow rate for a simple 2 rows and 2 paths heat exchanger. Also, the prediction shows that the performance level will be recovered to when the air flow distribution is uniform by optimizing refrigerant flow path pattern.

机译：本文介绍了气流不平衡对蒸发器性能的影响以及制冷剂流路模式的影响。为了估算影响，我们应用了一种热网络方法，该方法考虑了热交换器中制冷剂质量的分布。该预测表明，对于简单的2行2路径换热器，蒸发器的性能下降6％，而空气流量不平衡40％。此外，预测表明，通过优化制冷剂流路模式，性能水平将恢复到气流分布均匀时的水平。

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来源
《Heat transfer》 |2009年第6期|385-399|共15页
作者
Kunihiko Kaga; Satoru Kotoh; Teturo Ogushi; Hideo Yoshida;
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作者单位

Adv. Tech. R&D Center, Mitsubishi Electric Corporation, Japan;

Adv. Tech. R&D Center, Mitsubishi Electric Corporation, Japan;

Department of Mechanics and Robotics, Hiroshima International University, Japan;

Department of Aeronautics Astronautics, Kyoto University, Japan;

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收录信息美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
heat transfer; heat exchanger; heat conduction; condensation; refrigerant; coefficient of performance;

机译：传播热量;热交换器;导热缩合;制冷剂性能系数;

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专利

1. Prediction of Heat Exchanger Performance by the Thermal Network Method (Improvement of an Evaporator's Performance and Restraining Air Flow Bypass by Adjusting the Refrigerant-Flow Path Pattern) [J] . Kunihiko Kaga, Satoru Kotoh, Teturo Ogushi, Heat Transfer Asian Research . 2010,第5期

机译：通过热网法预测换热器性能（通过调节制冷剂流动路径模式来提高蒸发器性能并抑制气流旁通）
2. Flow patterns identification of refrigerant R-134a in horizontal evaporator tubes by pressure measurement [J] . Ming-Huei Yu, Tsun-Kuo Lin, Cing-Tian Kuo Journal of the Chinese Society of Mechanical Engineers, Series C: Transactions of the Chinese Society of Mechanical Engineers . 1999,第2期

机译：通过压力测量识别水平蒸发器管中制冷剂R-134a的流型
3. Effect of Evaporator Heater Power Input and Refrigerant Flow Rate on the Performance of a Refrigerator - Developing Empirical Models [J] . Ali Naif, Abdulkareem Shafiq Mahdi Al-Obaidi, Mohammad H. Nassir Journal of mechanical engineering and automation . 2015,第1期

机译：蒸发器加热器功率输入和制冷剂流量对冰箱性能的影响-建立经验模型
4. Flow patterns of some new low GWP refrigerants during evaporation in small tube [C] . Houpei LI, Pega HRNJAK International Institute of Refrigeration;International congress of refrigeration . 2019

机译：小管蒸发过程中一些新低GWP制冷剂的流动模式
5. Experimental investigation of two phase flow boiling heat transfer and pressure drop of LGWP refrigerants in an internally enhanced tube evaporator [D] . Smith, Jeremy Ryan. 2015

机译：内部增强管式蒸发器中LGWP制冷剂两相流沸腾传热和压降的实验研究
6. Marangoni-driven flower-like patterning of an evaporating drop spreading on a liquid substrate [O] . F. Wodlei, J. Sebilleau, J. Magnaudet, -1

机译：Marangoni驱动的在液体基质上散布的蒸发液滴的花朵状图案
7. Prediction of Performance of a Heat Exchanger by Thermal Network Method : Influence of Air-Flow Unbalance and Refrigerant-Flow Path Pattern on an Evaporator's Performance(Thermal Engineering) [O] . Kunihiko KAGA, Satoru KOTOH, Teturo OGUSHI, 2009

机译：热网络方法预测热交换器的性能：气流不平衡和制冷剂流动路径图案对蒸发器性能的影响（热工程）
8. Effects of Non-Uniform Refrigerant and Air Flow Distributions on Finned-Tube Evaporator Performance [R] . Choi, J. M., Payne, W. V., Domanski, P. A. 2003

机译：非均匀制冷剂对翅片管升降机性能的影响

Influence of Air-Flow Imbalance and Refrigerant Flow Path Pattern on an Evaporator's Performance

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