采用非共沸工质的联箱-小孔型气液分离单元实验研究

陈广浩; 和芸芸; 陈健勇; 陈颖; 罗向龙; 梁颖宗; 何嘉诚

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采用非共沸工质的联箱-小孔型气液分离单元实验研究

更新时间：2025-08-29

- 采用非共沸工质的联箱-小孔型气液分离单元实验研究
- Experimental study on Header-orifice Vapor-liquid Separation Unit using Zeotropic Mixture
- 制冷学报 2025年
- 作者机构：
  
  广东工业大学材料与能源学院,广东省广州市510006
- 作者简介：
  
  [ "陈健勇，男，副教授，广东工业大学材料与能源学院，020-39322570。研究方向：空调热泵系统优化，强化传热技术的研究。" ]
- 基金信息：
  
  国家自然科学基金(52476003);广东省基础与应用基础研究基金自然科学基金(2025A1515011466)
- DOI：
  中图分类号：
- 收稿：2025-05-16，
  
  修回：2025-06-17，
  
  录用：2025-07-10，
- 稿件说明：
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陈广浩, 和芸芸, 陈健勇, 等. 采用非共沸工质的联箱-小孔型气液分离单元实验研究[J/OL]. 制冷学报, 2025.

CHEN Guanghao, HE Yunyun, CHEN Jianyong, et al. Experimental study on Header-orifice Vapor-liquid Separation Unit using Zeotropic Mixture[J/OL]. Journal of refrigeration, 2025.
陈广浩, 和芸芸, 陈健勇, 等. 采用非共沸工质的联箱-小孔型气液分离单元实验研究[J/OL]. 制冷学报, 2025. DOI：

CHEN Guanghao, HE Yunyun, CHEN Jianyong, et al. Experimental study on Header-orifice Vapor-liquid Separation Unit using Zeotropic Mixture[J/OL]. Journal of refrigeration, 2025. DOI：

摘要

气液分离技术能实现强化传热的同时降低压降。气液分离单元实现高效气液分离的关键。本文基于联箱-小孔型气液分离单元的可视化实验台，采用非共沸工质R1234ze(E)/R32（质量比80/20），研究了不同条件下的气液分离特性，获得了有效分液范围。结果表明，提高入口干度、降低入口质量流量、增大下出口支管流通截面积或扩大分液孔径，均可提升分液效率，其中入口质量流量对分液效率影响最大。在有效分液区，当流量从18 g/s变成12 g/s时，分液效率提升14.0%。入口质量流量、阀门开度和分液孔径对有效分液干度范围的大小影响不大；但对于有效分液区干度范围偏移，入口质量流量影响最大、分液孔径次之、阀门开度最小。

Abstract

Vapor-liquid separation technology can achieve enhanced heat transfer while reducing pressure drop. Vapor-liquid separation unit is the key to achieve efficient vapor-liquid separation. Based on the visualization experiment of the header-orifice separator

this paper uses the zeotropic mixture R1234ze(E)/R32 (mass ratio 80/20) to study the vapor-liquid separation characteristics under different conditions and obtain the effective separation range. The results show that increasing the inlet dryness vapor quality

reducing the inlet mass flow rate

increasing the flow cross-sectional area of the lower outlet branch or expanding the separation aperture can improve the separation efficiency

among which the inlet mass flow rate has the greatest impact on the separation efficiency. In the effective separation area

when the flow rate changes from 18 g/s to 12 g/s

the separation efficiency increases by 14.0%. The inlet mass flow rate

valve opening and separation aperture have slight effect on the size of the effective separation dryness range; but for the deviation of the effective separation area dryness range

the inlet mass flow rate has the greatest impact

followed by the separation aperture

and the valve opening has the smallest impact.

关键词

Keywords

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