带喷射器的跨临界CO<sub>2</sub>热泵热水器系统的实验研究

徐肖肖; 陈光明; 唐黎明; 梁利霞; 朱治江

您当前的位置：

首页 >

文章列表页 >

带喷射器的跨临界CO₂热泵热水器系统的实验研究

更新时间：2025-07-09

- 带喷射器的跨临界CO₂热泵热水器系统的实验研究
- Experiment on Performance of Transcritical CO₂ Heat Pump Water Heater System with Ejector
- 西安交通大学学报 2009年43卷第11期页码：51-55
- 作者机构：
  
  浙江大学制冷与低温研究所,杭州,310027
- 作者简介：
- 基金信息：
  
  : 2009-03-29. 作者简介: 徐肖肖(1980-),女,博士生;陈光明(联系人),男,教授,博士生导师. 基金项目: 国家科技支撑计划资助项目(2006BAJ01A10);浙江省重大科技专项资助项目(2007C01002)
- DOI：
  中图分类号： TB61
- 网络首发：2009-11-10，
  
  纸质出版：2009
- 稿件说明：
移动端阅览
徐肖肖, 陈光明, 唐黎明, 等. 带喷射器的跨临界CO₂热泵热水器系统的实验研究[J]. 西安交通大学学报, 2009,43(11):51-55.

Experiment on Performance of Transcritical CO₂ Heat Pump Water Heater System with Ejector[J]. 2009, 43(11): 51-55.
徐肖肖, 陈光明, 唐黎明, 等. 带喷射器的跨临界CO₂热泵热水器系统的实验研究[J]. 西安交通大学学报, 2009,43(11):51-55. DOI：

Experiment on Performance of Transcritical CO₂ Heat Pump Water Heater System with Ejector[J]. 2009, 43(11): 51-55. DOI：

摘要

设计了一套带喷射器的跨临界CO

热泵热水器系统实验平台

开发了相应的计算机测控系统.进行了改变冷却水体积流量和进口温度对系统性能影响的实验研究

分析了制热系数、制热量、压比、喷射系数、升压比、喷射器效率等参数的变化趋势.实验结果表明:随着冷却水体积流量减小或进口温度增加

喷射系数增加的同时

升压比也增加

而喷射器效率却降低; 在测试工况范围内喷射器效率最高达到34%

升压比最高达到1.165; 在蒸发温度为-5 ℃时

制热系数达到3左右.带喷射器的跨临界CO

热泵热水器循环的压缩机压比与传统循环相比减少了12%～14%

喷射器的引入有效地提高了跨临界CO

热泵热水器循环的效率.

Abstract

An experimental water heater system using a transcritical CO

heat pump with an ejector was designed

and a measurement and control system was developed. Experiments were conducted to assess the effects of cooling water flow rate and inlet temperature on the system performance. The changes of the heating coefficient of performance(C

)

heating capacity

pressure ratio

entrainment ratio

pressure lift were and ejector efficiency were analyzed. The experimental results show that the entrainment ratio and the pressure lift were increased while the ejector efficiency was decreased with the decrease in the cooling water flow rate or the increase in the inlet temperature. Under the experimental working conditions

the ejector efficiency was up to 34%

and the pressure lift was up to 1.165. The C

rea

ched about 3.0 when the evaporation temperature was -5 ℃. Compared with that of a conventional system with an expansion valve

the pressure ratio of the compressor in the present water heater system is decreased by 12%-14%. It appears that the ejector can improve the system performance of transcritical CO

heat pump water heaters effectively.

关键词

Keywords

references

KIM M H, PETTERSEN J, BULLARD C W. Fundamental process and system design issues in CO2 vapor compression systems [J]. Progress in Energy and Combustion Science, 2004, 30:119-174.

ELBEL S W, HRNJAK P S. Ejector refrigeration: an overview of historical and present developments with an emphasis on air conditioning applications [C/CD]∥Proceedings of the 12th International Refrigeration and Air Conditioning Conference. West Lafayette, Indiana, USA: ARI, 2008:Refrigeration 2350.

ELBELS W,HRNJAK P S. Experimental validation and design study of a trans-critical CO2 prototype ejector system [C]∥Proceedings of the 7th IIR-Gustav Lorentzen Conference on Natural Working Fluids. Trondheim, Norway: IIR,2006:172-175.

LI D Q, GROLL E A. Analysis of an ejector expansion device in a trans-critical CO2 air conditioning system [C]∥Proceedings of the 7th IIR-Gustav Lorentzen Conference on Natural Working Fluid. Trondheim, Norway:IIR,2006:167-171.

ELBEL S W, HRNJAK P S. Experimental validation of a prototype ejector designed to reduce throttling losses encountered in transcritical R744 system operation [J]. International Journal of Refrigeration, 2008, 31(3): 411-422.

LI D Q, GROLL E A. Transcritical CO2 refrigeration cycle with ejector-expansion device [J]. International Journal of refrigeration, 2005, 28(5): 766-773.

RICHTER C, TISCHENDORF C, FIORENZANO R,et al. Using modelica as a design tool for an ejector test bench [C]∥Proceedings of the 5th International Modelica Conference. Vienna, Austria: The Modelica Association, 2004: 501-508.

马一太, 管海清, 杨俊兰, 等. CO2双蒸发器压缩/喷射式跨临界制冷循环[J]. 太阳能学报, 2006, 27(1): 73-77.

MA Yitai, GUAN Haiqing, YANG Junlan, et al. CO2 trancritical compression/ejection hybrid refrigeration cycle with two evaporators [J]. Acta Energiae Solaris Sinica, 2006, 27(1): 73-77.

刘军朴,陈江平,陈芝久. 跨临界二氧化碳蒸汽压缩/喷射制冷循环[J].上海交通大学学报,2004, 38(2): 273-275.

LIU Junpu, CHEN Jiangping, CHEN Zhijiu. Thermodynamic analysis on CO2 transcritical vapor-compression/ejection refrigeration cycle [J]. Journal of Shanghai Jiaotong University, 2004, 38(2): 273-275.

李涛, 孙民, 李强, 等. 利用喷射提高跨临界二氧化碳系统的性能[J]. 西安交通大学学报, 2006, 40(5): 553-557.

LI Tao, SUN Min, LI Qiang, et al. Performance of transcritical carbon dioxide system with ejector [J]. Journal of Xi'an Jiaotong University, 2006, 40(5): 553-557.

DENG J Q, JIANG P X, LU T, et al. Particular characteristics of transcritical CO2 refrigeration cycle with an ejector [J]. Applied Thermal Engineering, 2007, 27(2/3): 381-388.

刘爽. 用于CO2热泵热水器的喷射器特性研究[D].杭州: 浙江大学机械与能源学院,2008.

MOFFAT R J. Describing the uncertainties in experimental results [J]. Experimental Thermal and Fluid Science, 1988, 1(1): 3-17.

HOLMAN J P. Experimental methods for engineers [M].New York, USA: McGraw-Hill Book Company,1989:41-53.

浏览量

下载量

CSCD

文章被引用时，请邮件提醒。

提交

工具集

关联资源

N2O跨临界喷射/压缩制冷循环的理论研究

一种新的喷射器模型及其实验验证

CO2对亚心形扁藻生长及光合放氢的影响

R41跨临界单级压缩带回热器热泵系统研究

跨临界CO2引射制冷循环临界背压分析

带喷射器的跨临界CO2热泵热水器系统的实验研究

Experiment on Performance of Transcritical CO2 Heat Pump Water Heater System with Ejector

DOI：

摘要

Abstract

关键词

Keywords

references

带喷射器的跨临界CO₂热泵热水器系统的实验研究

Experiment on Performance of Transcritical CO₂ Heat Pump Water Heater System with Ejector