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两种太阳能集热器的瞬时效率对比分析
引用本文:韩俊峰,田瑞,阎素英.两种太阳能集热器的瞬时效率对比分析[J].能源工程,2009(2):25-27.
作者姓名:韩俊峰  田瑞  阎素英
作者单位:内蒙古工业大学,能源与动力工程学院,内蒙古,呼和浩特,010051
基金项目:国家自然科学基金,国家自然科学基金,内蒙古自治区自然科学基金 
摘    要:对强制循环全玻璃真空管太阳能热水系统和强制循环热管式真空管太阳能热水系统的瞬时效率进行了对比分析,发现全玻璃真空管热水系统的效率曲线的斜率大于热管式真空管热水系统,这说明两种热水系统在运行温度相同时,热管式真空管的热损失较小,瞬时效率较高,有较好的高温特性和保温特性,并且热管式真空管太阳集热器的集热效率波动较小,能稳定在较高的水平。

关 键 词:全玻璃真空管  热管式真空管  瞬时效率

Comparative analysis of the instantaneous efficiency about two types of solar collector
HAN Jun-feng,TIAN Rui,YAN Su-ying.Comparative analysis of the instantaneous efficiency about two types of solar collector[J].Energy Engineering,2009(2):25-27.
Authors:HAN Jun-feng  TIAN Rui  YAN Su-ying
Affiliation:College of Energy and Power Engineering;Inner Mongolia University of Technology;Hohhot 010051;China
Abstract:By comparing the forced circulation all-glass vacuum tube solar water heating systems with the forced circulation heat pipe vacuum tube solar water heating system for instantaneous efficiency,it is found that the efficiency curve slope of all-glass vacuum tube hot water system is greater than that of vacuum tube heat pipe hot water system.It indicates when the operating temperature of two hot water systems is the same,the heat pipe vacuum tube has smaller heat losses,higher transient efficiency,better high-...
Keywords:all-glass evacuated tube solar collector  heat-pipe evacuated tube solar collector  instantaneous efficiency  
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