Title :
Thermal performance test of U-type evacuated glass tubular solar collector filled with graphite
Author :
Liang, Ruobing ; Ma, Liangdong ; Zhang, Jili
Author_Institution :
Sch. of Civil & Hydraulic Eng., Dalian Univ. of Technol., Dalian, China
Abstract :
In this paper, a new type of U-type pile evacuated glass tubular solar collector filled with graphite has been proposed and investigated its thermal performance experimentally, and testing accuracy has been analyzed by the error analysis method. Following dynamic testing method, the outlet temperature and momentary efficiency equation of the collector were got. The results showed that, U-tubular evacuated tube has higher momentary efficiency, the outlet temperature can increase 6~7°C in test situation, the optimum flow rate of U-type evacuated tubular is 0.0028L/s.
Keywords :
dynamic testing; error analysis; graphite; pipes; solar absorber-convertors; U-tubular evacuated tube; U-type evacuated glass tubular solar collector; U-type evacuated tubular; dynamic testing method; error analysis method; graphite; momentary efficiency equation; outlet temperature; thermal performance test; Absorption; Error analysis; Glass; Heat transfer; Solar heating; Solar radiation; Temperature; Testing; Thermal conductivity; Thermal engineering; U-type evacuated glass tubular; filled with graphite; solar collector; thermal performance;
Conference_Titel :
Mechanic Automation and Control Engineering (MACE), 2010 International Conference on
Conference_Location :
Wuhan
Print_ISBN :
978-1-4244-7737-1
DOI :
10.1109/MACE.2010.5535436
