The geometry of the shading of buildings by various tree shapes

This paper describes a design tool to be used in assessing the shading effects of trees in relation to buildings. More specifically, an interactive computer program has been written which determines the area and position of the shadows cast by a tree or a group of trees on a surface of any orientati...

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Bibliographic Details
Published in:Solar energy 1987, Vol.38 (3), p.187-201
Main Authors: Sattler, M.A., Sharples, S., Page, J.K.
Format: Article
Language:English
Subjects:
Applied sciences
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Heating, air conditioning and ventilation
Technical data: comfort, insulation, loads, etc
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Summary:This paper describes a design tool to be used in assessing the shading effects of trees in relation to buildings. More specifically, an interactive computer program has been written which determines the area and position of the shadows cast by a tree or a group of trees on a surface of any orientation and inclination. The program outputs numerical and graphical hourly results at any time of the day between the sunrise and the sunset, for any day of the year, at any location on the earth for any relative positioning between the tree and the building. The program allows four different shapes of tree (spherical, cylindrical, upright cone or reversed cone) or any combination of these fundamental shapes to be used.
ISSN:0038-092X
1471-1257
DOI:10.1016/0038-092X(87)90017-X