Feasibility Study of the Ø5 Tube-and-fin Heat Exchanger in Automotive Heat Pump System

Wei Wei; Zhao Yu; Chen Jiangping; Song Ji; Gao Yifeng

doi:10.3969/j.issn.0253-4339.2013.01.035

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Feasibility Study of the Ø5 Tube-and-fin Heat Exchanger in Automotive Heat Pump System

更新时间：2024-07-18

- Feasibility Study of the Ø5 Tube-and-fin Heat Exchanger in Automotive Heat Pump System
- Journal of Refrigeration Vol. 34, Issue 1, (2013)
- 作者机构：
  
  1. 上海交通大学制冷与低温工程研究所
  2. 国际铜业协会上海代表处
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0253-4339.2013.01.035
  CLC：
- Published：2013
- 稿件说明：
移动端阅览
Wei Wei, Zhao Yu, Chen Jiangping, et al. Feasibility Study of the Ø5 Tube-and-fin Heat Exchanger in Automotive Heat Pump System[J]. Journal of Refrigeration, 2013, 34(1).
DOI：

Wei Wei, Zhao Yu, Chen Jiangping, et al. Feasibility Study of the Ø5 Tube-and-fin Heat Exchanger in Automotive Heat Pump System[J]. Journal of Refrigeration, 2013, 34(1). DOI： 10.3969/j.issn.0253-4339.2013.01.035.

摘要

目前车用空调冷凝器均为平行流冷凝器，作为热泵蒸发器时易结霜，且化霜时排水不畅。而圆管翅片换热器换热性能较差，难以满足结构布置要求。开发了?5管径的小管径换热器，与平行流换热器进行了性能对比测试。结果表明:采用小管径管片式换热器时，制冷模式下COP提高了17.4%~23.7%，热泵模式下COP提高12.6%~35.8%，且在热泵模式下可降低压缩机排气温度15~28℃。小管径管片式换热器在电动汽车热泵系统应用前景广阔。

Abstract

The parallel flow microchannel (PFM) heat exchanger is widely used in automotive air conditioning system

but it has the disadvantage of easy-frost and difficult in water-drain in defrost . The traditional tube and fin heat exchanger can overcome the frost and defrost problem but has low efficiency. In this paper a ?5 tube and fin heat exchanger is developed for the automotive heat pump. Performances of small diameter tube-and-fin heat exchanger and PFM heat exchanger are compared based on benchmark test. Results show that the system with small diameter tube-and-fin heat exchanger has 17.4%~23.7% higher COP in air conditioning mode

12.6%~35.8% higher COP and 15~28℃ lower compressor discharge temperature in heat pump mode

which indicates that small diameter tube-and-fin heat exchanger is a promising solution to the automotive heat pump system of electric vehicle.

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Related Institution

College of Environmental and Energy Engineering, Beijing University of Technology

College of Construction Engineering，Beijing University of Technology

Postdoctoral Station of Mechanical Engineering, Tongji University

Institute of Refrigeration and Cryogenics, School of Mechanical Engineering, Tongji University

School of Energy and Power Engineering, University of Shanghai for Science and Technology

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