Under low latitude conditions, minimisation of solar irradiance within the urban environment
may often be an important criterion in urban design. This can be achieved when the
obstruction angle is large (high H/W ratio, H= height, W= width). Solar access to streets can
always be decreased by increasing H/W to larger values. It is shown in this paper that the
street canyon orientation (and not only the H/W ratio) has a considerable effect on solar
shading and urban microclimate. The paper demonstrates through a series of shading …

Under low latitude conditions, minimization of solar radiation within the urban environment
may often be a desirable criterion in urban design. The dominance of the direct component
of the global solar irradiance under clear high sun conditions requires that the street solar
access must be small. It is well known that the size and proportion of open spaces has a
great influence on the urban microclimate This paper is directed towards finding the
interaction between urban canyon geometry and incident solar radiation. The effect of …