Thermodynamic Performance Evaluation of Liquid-vapor Separation Plate Condenser

Zhu Kang-da; Chen Ying; Chen Jian-yong; Luo Xiang-long; Yao yuan; Liang Zhi-ying

doi:10.12052/gdutxb.180144

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Thermodynamic Performance Evaluation of Liquid-vapor Separation Plate Condenser

更新时间：2026-05-27

- Thermodynamic Performance Evaluation of Liquid-vapor Separation Plate Condenser
- Vol. 36, Issue 5, Pages: 48-55, 70(2019)
- 作者机构：
  
  1. 广东工业大学材料与能源学院,广东,广州,510006
  2. 中国科学院广州能源研究所,广东,广州,510640
- 作者简介：
- 基金信息：
- DOI：10.12052/gdutxb.180144
  CLC： TB657.5
- Online First：21 August 2019，
  
  Published：2019
- 稿件说明：
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朱康达, 陈颖, 陈健勇, 罗向龙, 姚远, 梁志颖. 分液板式冷凝器的热力性能评价[J]. 广东工业大学学报, 2019, 36(5): 48-55, 70.

Zhu Kang-da, Chen Ying, Chen Jian-yong, et al. Thermodynamic Performance Evaluation of Liquid-vapor Separation Plate Condenser[J]. 2019, 36(5): 48-55, 70.
朱康达, 陈颖, 陈健勇, 罗向龙, 姚远, 梁志颖. 分液板式冷凝器的热力性能评价[J]. 广东工业大学学报, 2019, 36(5): 48-55, 70. DOI： 10.12052/gdutxb.180144.

Zhu Kang-da, Chen Ying, Chen Jian-yong, et al. Thermodynamic Performance Evaluation of Liquid-vapor Separation Plate Condenser[J]. 2019, 36(5): 48-55, 70. DOI： 10.12052/gdutxb.180144.

摘要

将分液冷凝强化传热思想应用于板式冷凝器中

建立了相应的物理和数学模型. 计算了相同换热面积的7种结构分液板式冷凝器的平均传热系数和总压降

同时采用惩罚因子(Penalty Factor

PF)和㶲损这两个指标对其性能进行评价. 计算结果表明: 分液效率越高

分液板式冷凝器的综合性能越好. 在分液效率为100%

质量流量为0.08~0.12 kg/s范围内

与相同面积的非分液板式冷凝器相比

分液板式冷凝器的PF值降低14.6%

㶲损减少2.6%~6.1%; 当质量流量为0.1 kg/s

平均干度为0.3~0.75

分液板式冷凝器的PF值均小于非分液板式冷凝器

而平均干度大于0.45时

分液板式冷凝器㶲损小于非分液板式冷凝器.

Abstract

“Liquid-separation condensation” theory is applied for performance enhancement in the plate condenser

with the physical and mathematical models built. Seven liquid-separation plate condensers having the same heat transfer area are proposed for heat transfer coefficient and pressure drop comparison. Their performances are evaluated by employing the penalty factor (PF) and exergy destruction. Results show that the higher the liquid-vapor separation efficiency

the better is the performance of the liquid-separation plate condensers. Compared with the conventional plate condenser with the same heat transfer area

the liquid-separation plate condenser has 14.6% lower PF and 2.6~6.1% smaller exergy destruction when the liquid-vapor separation efficiency is 100% and the mass flux is in the range of 0.08~0.12 kg/s. Moreover

when the mass flux is 0.1 kg/s

the penalty factor (PF) of liquid-separation plate condenser is lower with the vapor quality ranging between 0.3~0.75

and the exergy destruction of liquid-separation plate condenser is superior only when the vapor quality is higher than 0.45.

关键词

Keywords

references

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