EVALUATION OF EFFECTIVENESS OF PASSIVE COOLING( ROOF COOL) TECNIQUE IN INDIAN CLIMATE

mechanical engineering

Energy consumption of the building sector is high , buildings are responsible for about 30-40% of the total energy demand. The impact of air conditioner usage on electricity demand is an important problem as peak electricity load increases continuously, forcing utilities to build additional plants. In parallel, serious environmental problems are associated with the use of air conditioning. Passive and hybrid cooling techniques involving microclimate improvements, heat and solar protection, and heat modulation and dissipation methods and systems can greatly contribute to buildings’ cooling load reduction and increase thermal comfort during the summer. In this context passive cooling techniques are very helpful to achieve thermal comfort and save power , in passive cooling technique roof cool technologies are very popular in hot countries to achieve thermal comfort.

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