Page 56 - stuti srivastava 76 electives assignment compilation
P. 56
b. Consider 2ft
overhang Overhang projection = 2 feet
projection for Solar altitude = 75 degrees
this window. Delhi (29N Lat, 77E Long). on 22 nd
Calculate the september
height of the Sun tangent = tan ( solar altitude)
shadow on the = tan ( 75 degrees )
window at =
noon on Length of the shadow = object
equinox. (Hint: height / sun tangent
Use simple = 2 feet /
calculations, no 3.7
= 0.5 feet
software length of the shadow on ground is
required) 0.5 feet
Height of the shadow is 7 feet.
56
