SOLAR BASED STREET AND BUILDING ORIENTATION THE CASE OF SNNPR CITIES LATITUDE 60 AND 70N
Journal Title: World Journal of Engineering Research and Technology - Year 2018, Vol 4, Issue 1
Abstract
Urban design involves working with different professionals and different complimentary skills. The issues are broad; social, political, planning, engineering and geographical. The climate respect should be viewed in this perspective. The current globalization pressure is exerting a force which is powerful enough to pulling the construction and designing of dwellings in a standard manner discarding all efforts of the all. It is critical time localizing our effort to this magnitude of direction. This approach is clearly leading to loss indigenous sun orientation and urban design interface of solar based street and building orientation which give the suitable thermal comfort of the dwellers. The history of urban development and designing a city is a recent era in Ethiopia. This study focused the study area streets and buildings are designed considering of topographic situation rather than sun orientation. The prolonged exposure to solar radiation or UV resulted a serious health problem in respective cities. Some methods, procedures, measuring techniques and different software demonstrations are used to conduct the result. Identification of existing street, positioning the sun in the sky for selected city and sketching the shadow length for critical time for seven months are steps followed in this research. Finally the researcher ensured NNE-SSW and NNW-SSE street orientation and E and W facing buildings orientations are the best, whereas E-W, NWW-SEE and NEE-SWW oriented street and S-N and NW-SE oriented buildings are highly exposed to sun. The researcher derived a linear equation of shadow length for critical times for these months of longest, equal and shortest day lengths and proved comfort street width for seven months, SW=SL*H.
Authors and Affiliations
Eshetu Esayas
Keywords
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