Thermodynamic Analysis of Valve-Controled Metal Hydride Refrigeration System

doi:10.3969/j.issn.0253-4339.2006.03.001

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Thermodynamic Analysis of Valve-Controled Metal Hydride Refrigeration System

更新时间：2025-09-03

- Thermodynamic Analysis of Valve-Controled Metal Hydride Refrigeration System
- Journal of Refrigeration Vol. 27, Issue 3, Pages: 1-4+29(2006)
- 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：10.3969/j.issn.0253-4339.2006.03.001
  CLC：
- Published：2006
- 稿件说明：
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Thermodynamic Analysis of Valve-Controled Metal Hydride Refrigeration System[J]. Journal of Refrigeration, 2006, 27(3): 1-4+29.
DOI：

Thermodynamic Analysis of Valve-Controled Metal Hydride Refrigeration System[J]. Journal of Refrigeration, 2006, 27(3): 1-4+29. DOI： 10.3969/j.issn.0253-4339.2006.03.001.

摘要

建立了阀门控制的金属氢化物制冷系统的动态性能模型，针对阀门控制的金属氢化物制冷系统，分析了热源温度、反应器的比热、氢化物与反应器质量比、传热系数等对系统动态性能的影响。结果表明：中温热源温度的增高将会降低COP、炯效率和制冷率；反应器的比热容对COP、炯效率和制冷率影响较小；增加氢化物与反应器质量比时COP、炯效率将增加，但制冷率将下降；增加传热流体与反应床表面的传热系数将会较明显提高COP、炯效率和制冷率。根据计算结果提出了改善系统动态性能的措施。

Abstract

A dynamic model of performance analysis for valve-controlled metal hydride heat pumps was established.Computing simulation was used to explore the operation of valve-controlled metal hydride heat pumps.The effects of intermediate temperature

specific heat at constant pressure

mass ratio of hydride to the beds

and heat transfer coefficient on the dynamic performances were obtained.The results show that higher intermediate temperature will reduce both COP and cooling capacity

and specific heat at constant pressure of hydride beds can not affect COP and cooling capacity greatly.Moreover

improving mass ratio of hydride to the beds can improve COP but reduce the cooling capacity.Further

improving heat transfer coefficient can improve COP and cooling capacity significantly.On the basis of our computing results

some measures were proposed to improve the dynamic performance of the system.

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Related Institution

[1]中国科学院理化技术研究所,北京100080 [2]中国科学院金属研究所

[1]西安交通大学能源与动力工程学院,西安710049 [2]烟台冰轮股份有限公司

重庆大学动力工程学院

束京大学新领域劁成科学研究科環境学专攻

[1]上海交通大学机械与动力工程学院,上海200030 [2]青岛海信空调有限公司

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