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ELNAHAS, M. M. How do planners and architects deal with conflicting climate design objectives?. In: CONFERENCE ON PASSIVE AND LOW ENERGY ARCHITECTURE, 16., 1999, Brisbane. Anais... Brisbane: PLEA, 1999. p. 225-230.
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Abstract

It seems difficult to achieve a balance between climatic design objectives due to their conflicting nature in different seasons and even in one season. For example, an open geometry facilitates solar access, urban ventilation and mitigation of heat islands. However, it diminishes urban shading and wind shelter. This paper aims to carry out an energy analysis to provide an objective assessment of how these objectives separately affect building energy use. Climate modifiers are adopted to make climatic elements more closely approximate the microclimate. Energy use of dwellings in hypothetical urban configurations is predicted in the temperate climate of Adelaide, Australia. It is shown that in the heating season, wind shelter and heat islands contribute to energy saving in most urban configurations. In high-density developments, heat islands offset a considerable part of the energy saved by wind shelter. In the cooling season, wind shelter results surprisingly in no increase in energy use in high-density developments.
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