Buildings with different mass levels were monitored in the summer of 1993 in Pala, South California, under different ventilation and shading conditions. The effect of mass in lowering the daytime (maximum) indoor temperatures, in closed and in night ventilated buildings, was thus evaluated. Night ventilation had only a very small effect on the indoor maxima of the low-mass building. However, it was very effective in lowering the indoor maximum temperatures for the high mass building below the outdoor maxima, especially during the 'heat wave' periods.
PASSPORT Plus is a new building thermal simulation tool, developed in the framework of PASCOOL. It incorporates new findings from the experimental and theoretical research activities performed in PASCOOL that have been integrated in an original informatic structure. Overall, the emphasis during the development of the program was given on dealing with problem related to cooling of buildings, especially by natural and passive techniques.
Europe. Numerous studies have been devoted to the analysis of the physical phenomena related to natural ventilation. These phenomena are very complex and our degree of understanding them often leaves a lot to be desired. Research on this topic within the framework of PASCOOL included experimental and modeling work aiming to fill existing gaps in our knowledge of indoor air conditions in naturally ventilated buildings.
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