The aim of this project is to reduce fuel consumption and associated carbon emissions by using innovative kitchen cooking vessels that enhance heat utilization during the cooking process. In conventional cooking vessels, hot air escapes rapidly, leading to significant heat loss and inefficient energy use. In the innovative cooking vessel, the movement of hot air is deliberately slowed and redirected, allowing greater heat retention and improved heat transfer to the cooking container. This enhanced thermal efficiency reduces cooking time and fuel consumption. The proposed vessel consists of two concentric steel vessels with a spiral copper baffle welded around the inner vessel to slow the upward flow of hot gases. A small outlet hole regulates the release of air. Water boiling tests showed that the innovative vessel reduces cooking time by about 36\% and fuel consumption by about 37\% compared to a conventional vessel. For a typical household, annual savings of 24. 5 kg LPG and 73. 5 kg CO\ (₂\) emissions are achievable. If adopted by 10\% of Indian households, the potential CO\ (₂\) reduction is 16. 17 million tonnes per year. The design is simple, cost-effective, and can be fabricated locally.
Bhat et al. (Tue,) studied this question.