Abstract
Reducing Cooling Demands in Sub-Saharan Africa: A Study on the Thermal Performance of Passive Cooling Methods in Enclosed Spaces
Highlights
Urban areas are generally characterized by dark surfaces: asphalt coated roads, excess storage of solar radiation, minimal green spaces and cool sinks, and increased human activities as compared to rural areas, and an increase in the formation of ozone with associated health implications [1]
In the design of passive, low-energy buildings we can draw upon more accurate modeling of predicted comfort when the relationship of indoor climate is linked to outdoor conditions [4]
A test objects was erected in Kiambu, Kenya to observe real-time changes in indoor microclimates when passive cooling is incorporated
Summary
Urban areas are generally characterized by dark surfaces: asphalt coated roads, excess storage of solar radiation, minimal green spaces and cool sinks, and increased human activities as compared to rural areas, and an increase in the formation of ozone with associated health implications [1] These factors has effects on climate, energy consumption and habitability in urban areas and cities, attribute to the rise in temperature of urban areas and as indoor microclimate of buildings are primarily dependent on the Otusanya, O. Studies by Humphreys [3] show a strong linear relationship between the people’s comfort temperature in free-running buildings and the average outdoor temperature This proposes that there is a relationship between what people expect and know about indoor climate resulting the context of outdoor conditions. An increase in active cooling will result in an increase of energy needed, which will eventually cause an increment in energy bills [8]
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