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中文摘要：
真空集热管是槽式太阳能热发电系统聚光集热器的关键部件,其热损失的大小直接关系到系统的光-热效率。通过对由6根真空集热管组成的13 m管道的热损失分析,结果表明,在导热油温度105~313℃的范围内,辐射散热损失占总的热损失的70%~90%;准静态平衡法测得的热损失较稳态平衡法测得的热损失大,在高温时(290℃)测得的热损失是稳态平衡法的1.18倍;同SCHOTT公司的PTR70真空集热管相比,实验用真空集热管的热损失是其热损失的1.2倍左右。
英文摘要：
真空集热管是槽式太阳能热发电系统聚光集热器的关键部件,其热损失的大小直接关系到系统的光-热效率。通过对由6根真空集热管组成的13 m管道的热损失分析,结果表明,在导热油温度105~313℃的范围内,辐射散热损失占总的热损失的70%~90%;准静态平衡法测得的热损失较稳态平衡法测得的热损失大,在高温时(290℃)测得的热损失是稳态平衡法的1.18倍;同SCHOTT公司的PTR70真空集热管相比,实验用真空集热管的热损失是其热损失的1.2倍左右。
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