A Review of Research Progress and Prospect of Scroll Expander

YANG Xu; HU Haoyu; CAO Feng

doi:10.7652/xjtuxb202403001

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A Review of Research Progress and Prospect of Scroll Expander

更新时间：2025-07-09

- A Review of Research Progress and Prospect of Scroll Expander
- Vol. 58, Issue 3, Pages: 1-14(2024)
- 作者机构：
  
  西安交通大学能源与动力工程学院,西安,710049
- 作者简介：
- 基金信息：
- DOI：10.7652/xjtuxb202403001
  CLC： TK11;TB653
- Online First：10 March 2024，
  
  Published：2024
- 稿件说明：
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YANG Xu, HU Haoyu, CAO Feng. A Review of Research Progress and Prospect of Scroll Expander[J]. 2024, 58(3): 1-14.
DOI：

YANG Xu, HU Haoyu, CAO Feng. A Review of Research Progress and Prospect of Scroll Expander[J]. 2024, 58(3): 1-14. DOI： 10.7652/xjtuxb202403001.

摘要

随着“双碳”目标的提出

涡旋膨胀机作为回收低品位能量的机械装置备受关注。首先

对近年来涡旋膨胀机的理论研究成果进行了综述

主要包括型线理论、热动力学和计算流体力学(CFD)仿真。然后

对涡旋膨胀机在有机朗肯循环(ORC)中的应用进行了总结

梳理了涡旋膨胀机在跨临界CO

制冷循环中的应用研究成果。最后

对涡旋膨胀机未来的研究方向进行了展望。结果表明:变壁厚涡旋膨胀机因其可以在不增加泄漏线长度的情况下增加内容积比

因此将成为未来型线优化的主要方向; CFD仿真已成为重要的研究工具; 润滑油是影响涡旋膨胀机性能的关键因素

提高润滑油的黏度有利于提升效率

而过量的润滑油则会使其性能下降; 工作压力是影响涡旋膨胀机性能的最主要的因素

过膨胀、欠膨胀以及泄漏现象都会使其性能下降。此外

涡旋膨胀-压缩一体机集成了膨胀机和压缩机两个功能单元于一个机壳中

显著简化了系统结构并提高了能量回收效率

是提升新能源车用CO

热泵空调系统性能的有效途径。基于当前的研究成果和行业需求

提出涡旋膨胀机未来应继续深入研究和优化型线设计、减少泄漏、优化工作压力等

以满足日益增长的能量回收和环境保护需求。

Abstract

With the proposal of the “carbon peaking and carbon neutrality” target

the scroll expander has garnered attention as a mechanical device for the recovery of low-grade energy. An overview of the theoretical research achievements of scroll expanders in recent years are provided

mainly including profile theory

thermodynamics

and computational fluid dynamics(CFD)simulation. Subsequently

the application of scroll expanders in organic Rankine cycles(ORC)is summarized. The application research results of scroll e

xpanders in transcritical CO

refrigeration cycles are collated. Lastly

the future research directions for scroll expanders are projected. The findings indicate that the variable wall thickness scroll expander

which can increase the volumetric ratio without lengthening the leakage path

will become the main direction for future profile optimization; CFD simulation has emerged as a significant research tool; lubricant is a key factor affecting the performance of scroll expanders

where increasing the viscosity of the lubricant can enhance efficiency

while an excess of lubricant will reduce the performance; working pressure is the most critical factor affecting the performance of scroll expanders

with phenomena such as over-expansion

under-expansion

and leakage leading to decreased performance. Moreover

the integrated scroll compression-expansion unit

which combines the expander and compressor into one casing

significantly simplifies the system structure and improves energy recovery efficiency

proving to be an effective way to enhance the performance of CO

heat pump air-conditioning systems for new energy vehicles. Based on current research achievements and industry demands

future development of scroll expanders should continue to delve into and optimize profile design

reduce leakage

and optimize working pressure

to meet the growing needs for energy recovery and environmental protection.

关键词

Keywords

references

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刘广彬

赵远扬

李连生

卜高选

束鹏程

褚晓广 1

Related Institution

National Engineering Research Center of Fluid Machinery and Compressor, Xi'an Jiaotong University

National Engineering Research Center of Fluid Machinery and Compressors, Xi'an Jiaotong University

School of Control Science and Engineering, Shandong University

School of Electrical Information Automation, Qufu Normal University

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