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Review explores solar-heated thermal oil cooking systems, showcasing their efficiency and global relevance.
Cooking is one of the most fundamental human activities and a major component of global household energy consumption. Despite significant progress in modern energy technologies, a large portion of the world’s population still relies on traditional fuels such as firewood, charcoal, coal, and agricultural residues for cooking. These fuels often produce harmful emissions and contribute to environmental degradation, health risks, and energy insecurity. Solar energy offers a promising alternative due to its abundance, renewability, and minimal environmental impact. One innovative approach is the use of solar-heated thermal oil systems, in which solar energy is captured through collectors and used to heat a heat-transfer fluid that stores and delivers heat for cooking. This method enables indoor cooking, thermal storage, and improved efficiency compared with conventional solar cookers. This paper reviews the concept, design, technological potential, and global relevance of solar-heated thermal oil cooking systems. The article also examines global energy trends, literature on solar cooking technologies, and the role of renewable energy in achieving sustainable cooking solutions.
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Ritesh Kumar (2024) studied this question.