车用热泵用小管径管片式换热器性能研究

韦伟; 赵宇; 陈江平; 宋吉; 高屹峰

doi:10.3969/j.issn.0253-4339.2013.01.035

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车用热泵用小管径管片式换热器性能研究

更新时间：2024-07-18

- 车用热泵用小管径管片式换热器性能研究
- Feasibility Study of the Ø5 Tube-and-fin Heat Exchanger in Automotive Heat Pump System
- 制冷学报 2013年34卷第1期
- 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
  中图分类号：
- 纸质出版日期：2013
- 稿件说明：
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韦伟, 赵宇, 陈江平, 等. 车用热泵用小管径管片式换热器性能研究[J]. 制冷学报, 2013,34(1).

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).
韦伟, 赵宇, 陈江平, 等. 车用热泵用小管径管片式换热器性能研究[J]. 制冷学报, 2013,34(1). DOI： 10.3969/j.issn.0253-4339.2013.01.035.

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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