Performance Analysis of Small Refrigerating Regenerators

Sheng wei; Liu Guixin; Li Fei; Li Weizhao

doi:10.3969/j.issn.0253-4339.2015.05.081

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Performance Analysis of Small Refrigerating Regenerators

更新时间：2024-07-18

- Performance Analysis of Small Refrigerating Regenerators
- Journal of Refrigeration Vol. 36, Issue 5, (2015)
- 作者机构：
  
  1. 河南理工大学机械与动力工程学院
  2. 河南新飞电器有限公司新技术研发中心
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0253-4339.2015.05.081
  CLC：
- Published：2015
- 稿件说明：
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Sheng wei, Liu Guixin, Li Fei, et al. Performance Analysis of Small Refrigerating Regenerators[J]. Journal of refrigeration, 2015, 36(5).
DOI：

Sheng wei, Liu Guixin, Li Fei, et al. Performance Analysis of Small Refrigerating Regenerators[J]. Journal of refrigeration, 2015, 36(5). DOI： 10.3969/j.issn.0253-4339.2015.05.081.

摘要

由吸气管与毛细管热交换形成的回热器对小型制冷装置的制冷性能有着重要影响。目前，回热器主要有以下四种类型：毛细管外穿式、铝箔覆盖式、铜锡焊式、毛细管内穿式。结合理论分析，实验研究了制冷装置采用不同类型回热器时毛细管进出口温度、吸气管进出口温度、蒸发器温度以及压缩机吸排气温度对其工作性能的影响。结果表明，从换热性能上看，毛细管内穿式回热器与铜锡焊式回热器的性能基本相同，从制冷装置总体制冷性能上看，毛细管内穿式回热器优于铜锡焊式，且比毛细管外穿式及铝箔覆盖式回热器同等条件下单位容积制冷量提高17.4%，采用毛细管内穿式回热器有利于提高系统的制冷性能。

Abstract

Heat regenerator formed by capillary and suction pipe has an important influence on the performance of small refrigeration equipment. At present

there are four main types of regenerator: capillary wear type

aluminum foil cover type

copper and tin welding type

capillary inside pipe type. Combining with theoretical analysis

the refrigeration performance of regenerator was experimentally studied by capillary inlet and outlet temperature

suction pipe inlet and outlet temperature

evaporator temperature and discharge temperature of compressor suction. The results show that

wear inside the capillary regenerator and copper tin welding type regenerator have the same performance in heat transfer performance. However

the refrigerating capacity per unit of swept volume of capillary inside pipe type regenerator was 17.4% higher than that of capillary wear type and aluminum foil cover type regenerator under the same conditions. The performance of refrigerator can be improved by using capillary inside pipe type regenerator.

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College of Energy and Mechanical Engineering, Shanghai University of Electric Power

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