Experimental Study of Heat Transfer Effect on Oil-Free Scroll Air Compressor

赵远扬; 李连生; 马丽强; 卜高选; 束鹏程

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Experimental Study of Heat Transfer Effect on Oil-Free Scroll Air Compressor

更新时间：2025-12-08

- Experimental Study of Heat Transfer Effect on Oil-Free Scroll Air Compressor
- Vol. 42, Issue 1, Pages: 5-8(2008)
- 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： TH45
- Online First：10 January 2008，
  
  Published：2008
- 稿件说明：
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赵远扬, 李连生, 马丽强, et al. Experimental Study of Heat Transfer Effect on Oil-Free Scroll Air Compressor[J]. 2008, 42(1): 5-8.
DOI：

赵远扬, 李连生, 马丽强, et al. Experimental Study of Heat Transfer Effect on Oil-Free Scroll Air Compressor[J]. 2008, 42(1): 5-8. DOI：

摘要

针对小型家用制氧机用无油涡旋空气压缩机

分析了散热对压缩机各方面性能的影响机理

对研制样机进行了3种不同冷却方式下的实验研究.研究结果表明:散热是影响无油涡旋空气压缩机性能的一个重要因素; 随着排气压力的升高

排气温度升高

容积效率下降

电功率升高; 自然冷却方式下压缩机的性能最差

额定排气压力下压缩机的容积效率仅为20%

而动盘强制冷却的效果最好

静盘强制冷却的效果介于两者之间

因此动盘背面的强制冷却是无油涡旋空气压缩机设计的首要考虑因素.

Abstract

The effects of heat transfer on the performance of oil-free scroll air compressor were analyzed. A simulation model of compressor was established and experimental investigation to the developed prototype was carried out with three different cooling methods. The results show that heat transfer is a major factor affecting the performance of oil-free scroll air compressor. With rising of the discharge pressure

the discharge temperature and the electric power of the scroll compressor increase while the volumetric efficiency decreases. Under the situation of natural cooling

the performance of compressor is lowest and the volumetric efficiency gets only about 20% when the discharge pressure is at the rated discharge pressure. The scroll compressor under orbiting scroll forced cooling performs optimally. Hence the cooling of orbiting scroll is the major factor considered in the design of oil scroll air compressor.

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references

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