摘要
利用一个氟泵供液式散热系统,分别研究了室外环境温度变化对散热量和能效比的影响;通过变频调节氟泵功率改变散热工质流量,分析并讨论散热工质流量的变化对散热量和能效比的影响。试验结果表明,随着室外环境温度的降低,系统散热量和能效比均显著提高;随着散热工质流量的增大,散热量先升高后基本保持不变,能效比则先升高后降低,即存在最佳散热工质流量使得系统的能效比达到最大值。系统优化后在实际应用时,在室内外温差为11~26℃时,测算的能效比可达8.5~16.5。
In this paper,effects of ambient temperature on the dissipating heat and energy efficiency ratio were investigated using a heat dissipation system with liquid supplying and fluorine pump.Effects of dissipating medium flow on the dissipating heat and energy efficiency ratio were analyzed and discussed by adjusting the power of fluorine pump with frequency regulation.The results showed that under the experimental conditions,the dissipating heat and energy efficiency ratio increased significantly with the rising of ambient temperature.With the increase of dissipating medium flow,the dissipating heat increased firstly and then remained constant,while energy efficiency ratio increased firstly and then decreased,which meant that there existed the optimal dissipating medium flow to achieve the maximum energy efficiency ratio of the system.Moreover,in practical application,when the temperature difference indoor and outdoor was 11~26℃,the calculated system energy efficiency ratio could reach up to 8.5~16.5 after optimization.
作者
章立新
刘峰
张超
姬翔宇
卓静
ZHANG Lixin;LIU Feng;ZHANG Chao;JI Xiangyu;ZHUO Jing(School of Energy and Power Engineering/Shanghai Key Laboratory of Multiphase Flow and Heat Transfer in Power Engineering,University of Shanghai for Science and Technology,Shanghai 200093,China)
出处
《能源研究与信息》
2020年第1期36-40,共5页
Energy Research and Information
基金
上海市科委科研计划项目(13DZ2260900)。
关键词
供液式
散热系统
散热量
能效比
流量
liquid supplying
heat dissipation system
dissipating heat
energy efficiency ratio
flow
