LATENT HEAT STORAGE MATERIAL EVALUATION BASE ON AHP AND TOPSIS FOR LOW TEMPERATURE SOLAR HEATING APPLICATIONS

The present study is concentrated on ranking of the chosen latent heat storage materials for low temperature solar heating applications. Multi attribute strategies like analytic hierarchy methodology and TOPSIS are used to evaluate the ranks of the selected materials. The latent heat storage materials are handpicked supported high latent heat of fusion and high specific heat at solid and liquid state, low cost and non toxic. The chosen materials might observe the properties in the literature. All the properties such as latent heat of fusion, sensible heat at solid and liquid, thermal conductivity at solid and liquid state, density at solid and liquid state and degree of super cooling are taken under consideration to rank the chosen materials