Experimental Investigation of a Novel Thermosyphon Solar Water Heater Performance under Aswan Climate Conditions

Document Type : Original research articles

Authors

Mechanical Engineering Department, Faculty of Energy Engineering, Aswan University, Aswan, Egypt

Abstract

In numerous regions globally, Solar Water Heaters (SWHs) and Solar Lighting Pipes (SLPs) are widely adopted, contributing significantly to energy conservation. While SWHs are moderately utilized, SLPs remain largely unfamiliar in Egypt. This study introduces an innovative merged energy-saving approach that merges SWH and SLP into a unified system. The combination concept involves incorporating a solar heater via a serpentine pipe’s collector, utilizing the available space surrounding the daylight gadget tube. Key objectives of this integration include cost reduction in manufacturing, enhanced solar energy savings, and minimizing space requirements. Furthermore, recent daytime power outages in Egypt, stemming from escalating consumption exceeding production capacities, have spurred this investigation. The paper presents a comprehensive analysis of the Passive-Thermosyphon performance of the proposed SWH across various seasons in Aswan, Egypt, characterized by its sunny and arid climate, to assess its practical applicability. Results indicate a successful elevation in water temperature, with the highest recorded at about 70°C and a maximum instantaneous efficiency of around 36%. Moreover, the suggested solar heater demonstrated a peak daily thermal efficiency of approximately 31% during testing.

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SVU-International Journal of Engineering Sciences and Applications
Volume 5, Issue 2
December 2024
Pages 119-128

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