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2026, Vol: 15, Issue: 1
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Technical Note
Online Published: 31 Dec 2017
 


New Designed Thermosyphon Solar Water Heater with Small Sized Parabolic Trough Collectors

Jehad Saed, Mohammad Abdunnabi, Akram Essnid, Ahmed Buishi.


Abstract
In this paper, the performance of thermosyphon solar water heater of small-sized parabolictrough collectors has been experimentally investigated under Libyan climate. The solar collectors were fabricated from the locally available materials. The thermosyphon system consists of two parabolic troughs with 3.16 m2 aperture area and a storage tank of 170 liters. It is erected in the main outdoor testing area at the Center for Solar Energy Research and Studies for thermal performance evaluation. Twenty days of experiments were considered for the analysis of the new system performance. Th experimental results showed that the maximum outlet temperature of withdrawn hot water at the end of the day was 73.4 °C for a daily solar insolation of 27.67 MJ/m2 and diffse ratio less than 18% (clear sky). Whereas, the minimum hot water withdrawn temperature was 37 °C with daily solar insolation of 12.82 MJ/m2 and diffse ratio over 61%. The system performance decreases as the diffse ratio increases due to the nature of concentrating technology. The input/output characteristics equation of the system is obtained and the performance is compared with similar systems of the same size and diffrent collection technologies. Th compassion showed a competitiveperformance compared to other technologies.

Key words: Parabolic trough collectors, experimental work, collector manufacturing, Thermosyphon SWHs


 
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How to Cite this Article
Pubmed Style

Saed J, Abdunnabi M, Essnid A, Buishi A. New Designed Thermosyphon Solar Water Heater with Small Sized Parabolic Trough Collectors. Sol. Energy Sustain. Dev.. 2017; 6(2): 30-41.

Web Style

Saed J, Abdunnabi M, Essnid A, Buishi A. New Designed Thermosyphon Solar Water Heater with Small Sized Parabolic Trough Collectors. https://www.jsesd.org/?mno=302658228 [Access: November 12, 2026].

AMA (American Medical Association) Style

Saed J, Abdunnabi M, Essnid A, Buishi A. New Designed Thermosyphon Solar Water Heater with Small Sized Parabolic Trough Collectors. Sol. Energy Sustain. Dev.. 2017; 6(2): 30-41.


Vancouver/ICMJE Style

Saed J, Abdunnabi M, Essnid A, Buishi A. New Designed Thermosyphon Solar Water Heater with Small Sized Parabolic Trough Collectors. Sol. Energy Sustain. Dev.. (2017), [cited November 12, 2026]; 6(2): 30-41.


Harvard Style

Saed, J., Abdunnabi, . M., Essnid, . A. & Buishi, . A. (2017) New Designed Thermosyphon Solar Water Heater with Small Sized Parabolic Trough Collectors. Sol. Energy Sustain. Dev., 6 (2), 30-41.


Turabian Style

Saed, Jehad, Mohammad Abdunnabi, Akram Essnid, and Ahmed Buishi. 2017. New Designed Thermosyphon Solar Water Heater with Small Sized Parabolic Trough Collectors. Solar Energy and Sustainable Development, 6 (2), 30-41.


Chicago Style

Saed, Jehad, Mohammad Abdunnabi, Akram Essnid, and Ahmed Buishi. "New Designed Thermosyphon Solar Water Heater with Small Sized Parabolic Trough Collectors." Solar Energy and Sustainable Development 6 (2017), 30-41.


MLA (The Modern Language Association) Style

Saed, Jehad, Mohammad Abdunnabi, Akram Essnid, and Ahmed Buishi. "New Designed Thermosyphon Solar Water Heater with Small Sized Parabolic Trough Collectors." Solar Energy and Sustainable Development 6.2 (2017), 30-41. Print.


APA (American Psychological Association) Style

Saed, J., Abdunnabi, . M., Essnid, . A. & Buishi, . A. (2017) New Designed Thermosyphon Solar Water Heater with Small Sized Parabolic Trough Collectors. Solar Energy and Sustainable Development, 6 (2), 30-41.



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