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passive cooling and ventillation
Engineering and Construction
Pages 3 (753 words)
Name: Task: Instructor: Date: Passive Cooling and Ventilation Houses protect people from harsh environmental climate whether at home or at work. The constructions limit excessive heat, cold, rain, winter and offer security as well. However, the manner in which the building is structured determines comfort of occupants.
Structural designs that involved window designs, wall thickness and shading, roofing styles, low heat conductance material, external microclimate control, water bodies and structure stance characterized the era. The contemporary building designs should consider the historical strategies in order to utilize unharnessed resources and reduce energy consumption that leads to resource depletion (Santamouris and Kolokotsa 5). Heat is transferred through three ways, conduction, radiation as well as convention. The three form the basis for heat control ideologies. The construction engineers require having insight on the site’s climate and whether patterns to successfully employ the passive cooling techniques. Most important information they need include the sun’s positions throughout the year and direction of winds (Youtube 1). The wall and windows transfer heat across from the external environment to the internal environment through conduction. The choice of materials to comprise the wall and windows determine the efficiency of the building in blocking out undesired heat. Use of a high R-value material for walls ensures minimal heat transfer thus maintaining the inner environment cool. A low U-value material for windows acts in a similar way. ...
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