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Scientific Research Journal

Scirj Volume XII, Issue XII, December 2024 Edition
ISSN: 2201-2796


Publication starts: 15th December 2024
Full Paper available from: 15th December 2024


Advancements and Challenges in Solar Hydrogen Generation Systems: A Comprehensive Literature Review
Anyanwu Stephen Chinedu, Oguzie Emmanuel Emeka, Okozi Samuel Okechukwu

Abstract: This study presents a comprehensive synthesis of existing literature on solar thermal systems and solar-hydrogen co-generation technologies, highlighting key findings and advancements derived from previously published research. By systematically reviewing various studies, critical parameters influencing the performance of Solar Water Heating (SWH) systems, such as refrigerant selection and thermal efficiency, are identified. Through the analysis of TRNSYS simulation outputs, the work emphasizes the efficacy of ammonia and ethylene as optimal working fluids, revealing significant energy gain rates and peak temperature outputs across different climatic conditions. Furthermore, the study explores the integration of solar-hydrogen systems, drawing from simulations under diverse environmental scenarios in Karachi, Pakistan, and Fargo, North Dakota, to demonstrate potential for sustainable energy production. Findings underscore the importance of thermal conductivity and fluid viscosity in enhancing system performance. This research aims to consolidate existing knowledge, offering valuable insights for future investigations in renewable energy systems rather than presenting new experimental data, thus providing a thorough overview of current advancements in solar thermal and hydrogen generation technologies.

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