Performance of Thermosyphon Solar Water Heaters in Series

Yi-Mei Liu, Kung-Ming Chung, Keh-Chin Chang and Tsong-Sheng Lee
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Yi-Mei Liu: Energy Research Center, National Cheng Kung University, 2500 Section 1, Chung-Cheng South Road, Guiren, Tainan 711, Taiwan
Kung-Ming Chung: Energy Research Center, National Cheng Kung University, 2500 Section 1, Chung-Cheng South Road, Guiren, Tainan 711, Taiwan
Keh-Chin Chang: Energy Research Center, National Cheng Kung University, 2500 Section 1, Chung-Cheng South Road, Guiren, Tainan 711, Taiwan
Tsong-Sheng Lee: Energy Research Center, National Cheng Kung University, 2500 Section 1, Chung-Cheng South Road, Guiren, Tainan 711, Taiwan

Energies, 2012, vol. 5, issue 9, 1-13

Abstract: More than a single thermosyphon solar water heater may be employed in applications when considerable hot water consumption is required. In this experimental investigation, eight typical Taiwanese solar water heaters were connected in series. Degree of temperature stratification and thermosyphon flow rate in a horizontal tank were evaluated. The system was tested under no-load, intermittent and continuous load conditions. Results showed that there was stratification in tanks under the no-load condition. Temperature stratification also redeveloped after the draw-off. Analysis of thermal performance of the system was conducted for each condition.

Keywords: thermosyphon solar water heater; temperature stratification; water draw profile; thermal performance (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2012
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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