Abstract
A total performance index which represents the performance of passive solar system and three elemental parameters which can be calculated easily from design data are proposed in this paper. Case studies were carried out using a simulation model, which was confirmed to be in close agreement with full-scale model experiment. The relation between each elemental paramenters and total performance index was derived from the results of these studies. A linear regression equation which gives a fairly good approximation was obtained by adopting two explanatory variables, which represent steady state and non-steady state property of the system.
