Termodeck's passive cooling system of indoor climate control uses hollowed-out concrete slabs through which room air is circulated. During the summer, the fan runs at night, too, passing cool air over the slabs to ensure the temperature remains cool for the day ahead. Andy Cook reports.
This paper summarizes the results of an horizontal study on Passive and Hybrid Cooling for buildings, carried out by the authors, on behalf of the EEC Research Program "Building 2000" /1/. The state of the art of the strategies for the prevention of thermal gain is presented. Also the existing situation on the design tools and the computational methods regarding the Passive and Hybrid cooling techniques and components is analysed. Finally the data of several designed and constructed buildings in Europe using Passive and Hybrid cooling techniques and components are given and analysed.
Environmental concerns such as ozone depletion and global warming are forcing the building design profession to explore new ways of space conditioning. This paper looks at a number of potential low energy cooling strategies, and using dynamic analysis techniques makes an assessment of the ability of such strategies to contribute to the cooling of buildings in the UK climate.
This paper is concerned with aspects of thermal comfort which are particularly relevant to passive cooling. A fundamental difference between cooling in a warm climate and heating in a cool climate is recognised due to the relationship between the physiological neutral temperature and ambient heat sinks. The need for a comfort performance assessment of a building design is established. The notion of person cooling as distinct from space cooling justifies the need for a behavioural comfort model as distinct from a fixed state model.
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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