Experimental Research on Performance of Sliding Vane Expander Used in Energy Recovery Systems with HFC410A

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Experimental Research on Performance of Sliding Vane Expander Used in Energy Recovery Systems with HFC410A

更新时间：2025-07-09

- Experimental Research on Performance of Sliding Vane Expander Used in Energy Recovery Systems with HFC410A
- Vol. 46, Issue 3, Pages: 64-68(2012)
- 作者机构：
  
  西安交通大学流体机械及压缩机国家工程研究中心,西安,710049
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK243.3
- Online First：10 March 2012，
  
  Published：2012
- 稿件说明：
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Experimental Research on Performance of Sliding Vane Expander Used in Energy Recovery Systems with HFC410A[J]. 2012, 46(3): 64-68.
DOI：

Experimental Research on Performance of Sliding Vane Expander Used in Energy Recovery Systems with HFC410A[J]. 2012, 46(3): 64-68. DOI：

摘要

为了减小hydro-fluorocarbons(HFCs)制冷系统在节流过程中的能量损失

提高系统的效率(COP)

开发出一种代替节流阀的滑片膨胀机样机

并对样机的性能进行了测试.结果表明

该样机可以满足HFCs工质在膨胀过程中的高容积比的要求.在以HFC410A为工质的制冷系统中

当空调工况下膨胀过程的容积比达到7.48时

样机运行稳定; 在1 100～1 200 r/min的最佳运行转速下

样机等熵效率最高

对应的容积效率为20.58%.在滑片底部安装弹簧后

样机的容积效率提高到44.27%

等熵效率由原来的20.26%提高到32.07%.与节流阀系统相比

滑片膨胀机样机系统的COP提高了6.49%

达到了3.59.

Abstract

A sliding vane expander was designed to replace the throttling valve used in the energy recovery systems with HFCs. Its performance and the coefficient of performance(COP)of the refrigeration system were tested. The experimental results show that the prototype operated in the HFC410A refrigeration system continuously and steadily. Under the air-conditioning conditions

the volumetric ratio of HFC410A reached 7.48 in the expansion process. The prototype had the volumetric efficiency of 20.58% with the maximum isentropic efficiency of 20.26%. When springs were installed at the bottom of the vane

the volumetric efficiency and isentropic efficiency increased to 44.27% and 32.07%

respectively. The COP was 3.59 and rose by 6.49% compared with that of a throttling valve system. In addition

the optimum rotation speed range of the sliding vane expander was 1 100-1 200 r/min.

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references

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