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This paper presents the modeling results of an innovative i-cool system for controlling the cabin temperature of a standalone car facing the solar energy from the sun. Project work indentifies the best possible phase change material (PCM) to be used for i-cool system is n-Heneicosane which shows maximum total heat flux is 44189 W/m2. From all the PCMs n-Heneicosane, n-Eicosane and n-Nonadecane that were shortlisted in selection criteria shows 600 sec to achieve inner surface temperature equal to the outer surface for a metropolitan car. While without use of PCM, the metropolitan car takes 320 sec & total maximum heat flux is 32900 W/m2. The final selection of n-Heneicosane shows 34.25% efficiency over conventional car.

India already has the highest concentration of megacities and urban growth continues. Together with an increasing need for individual mobility in particular, the Indian market demands new vehicle concepts. German lower-Saxony research centre of Automotive Engineering (NFF) and The Automotive Research Association of India (ARAI) together with representatives from the automotive industry develop a research roadmap to satisfy the future demand for metropolitan cars.