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Design, Fabrication, and Efficiency Study of a Novel Solar Thermal Water Heating System: Towards Sustainable Development


Affiliations
1 Department of Chemical Engineering, Jessore University of Science and Technology, Jessore 7408, Bangladesh
2 Department of Industrial and Production Engineering, Jessore University of Science and Technology, Jessore 7408, Bangladesh
 

This paper investigated a novel loop-heat-pipe based solar thermal heat-pump system for small scale hot water production for household purposes. The effective use of solar energy is hindered by the intermittent nature of its availability, limiting its use and effectiveness in domestic and industrial applications especially in water heating. The easiest and the most used method is the conversion of solar energy into thermal energy.We developed a prototype solar water heating system for experimental test. We reported the investigation of solar thermal conversion efficiency in different seasons which is 29.24% in summer, 14.75% in winter, and 15.53% in rainy season. This paper also discusses the DC heater for backup system and the current by using thermoelectric generator which are 3.20V in summer, 2.120V in winter, and 1.843V in rainy season. This solar water heating system is mostly suited for its ease of operation and simple maintenance. It is expected that such novel solar thermal technology would further contribute to the development of the renewable energy (solar) driven heating/hot water service and therefore lead to significant environmental benefits.
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  • Design, Fabrication, and Efficiency Study of a Novel Solar Thermal Water Heating System: Towards Sustainable Development

Abstract Views: 51  |  PDF Views: 0

Authors

M. Z. H. Khan
Department of Chemical Engineering, Jessore University of Science and Technology, Jessore 7408, Bangladesh
M. R. Al-Mamun
Department of Chemical Engineering, Jessore University of Science and Technology, Jessore 7408, Bangladesh
S. Sikdar
Department of Chemical Engineering, Jessore University of Science and Technology, Jessore 7408, Bangladesh
P. K. Halder
Department of Industrial and Production Engineering, Jessore University of Science and Technology, Jessore 7408, Bangladesh
M. R. Hasan
Department of Chemical Engineering, Jessore University of Science and Technology, Jessore 7408, Bangladesh

Abstract


This paper investigated a novel loop-heat-pipe based solar thermal heat-pump system for small scale hot water production for household purposes. The effective use of solar energy is hindered by the intermittent nature of its availability, limiting its use and effectiveness in domestic and industrial applications especially in water heating. The easiest and the most used method is the conversion of solar energy into thermal energy.We developed a prototype solar water heating system for experimental test. We reported the investigation of solar thermal conversion efficiency in different seasons which is 29.24% in summer, 14.75% in winter, and 15.53% in rainy season. This paper also discusses the DC heater for backup system and the current by using thermoelectric generator which are 3.20V in summer, 2.120V in winter, and 1.843V in rainy season. This solar water heating system is mostly suited for its ease of operation and simple maintenance. It is expected that such novel solar thermal technology would further contribute to the development of the renewable energy (solar) driven heating/hot water service and therefore lead to significant environmental benefits.