Determine the following at 3 P.M. solar time at 30°N latitude. i) Altitude and solar azimuth angle on June 21. (ii) Angle of incidence on June 8 on a vertical wall facing south. (iii) Direct solar radiation on June 21. (iv) Diffuse radiation on a roof facing SE with ø = 60° on July 21. (v) Instantaneous heat gain through 3 m wide x 2.5 m high glass window facing
Determine the following at 3 P.M. solar time at 30°N latitude. i) Altitude and solar azimuth angle on June 21. (ii) Angle of incidence on June 8 on a vertical wall facing south. (iii) Direct solar radiation on June 21. (iv) Diffuse radiation on a roof facing SE with ø = 60° on July 21. (v) Instantaneous heat gain through 3 m wide x 2.5 m high glass window facing
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter11: Heat Transfer By Radiation
Section: Chapter Questions
Problem 11.15P
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Determine the following at 3 P.M. solar time at 30°N latitude.
i) Altitude and solar azimuth angle on June 21.
(ii) Angle of incidence on June 8 on a vertical wall facing south.
(iii) Direct solar radiation on June 21.
(iv) Diffuse radiation on a roof facing SE with ø = 60° on July 21.
(v) Instantaneous heat gain through 3 m wide x 2.5 m high glass window facing SE recessed 0.4 m inside. Outside and inside temperatures are 40 C and 25°C.
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