Passive Solar Design buildings



The present society which we are living utilizes the electrical energy for their comfort. This electrical energy is majorly obtained by burning the fossil fuels. These fuels are decreasing in a dramatic rate and it is also contributes to the pollution. Passive solar design for homes helps to reduce the consumption of electrical energy by utilizing the solar energy. Passive solar design is a green concept which is aimed to utilize the maximum solar energy in the form of heat to maintain interior thermal comfort  throughout the sun’s daily and annual cycles, thereby the reducing the dependence of energy consuming mechanical and electrical systems of heating and cooling. The Windows, walls and floors of the homes are designed to collect the solar heat from the sun in winter and reject it in the summer.

This paper deals with the fundamental heat movement principles, types of passive solar design and design provisions for buildings. This paper also describes a study on the savings achieved by using daylight in passive solar design of buildings and, in this case, the size of windows. The findings from this study show that atleast 10% savings can be produced from simple day lighting strategies.

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