A flat plate collector, facing due south, having two glass covers is located at (34.05° N, 74.38° E), have the following data: Standard longitude for IST Date Time 82.5° E June 15 12 noon Collector tilt angle Beam radiation, I, (on horizontal surface) Diffuse radiation, I (uniformly distributed over the sky) 1200 W/m² Reflectivity of surrounding Pa 0.2 Surrounding Plate absorptivity of solar radiation = 0.92 Extinction coefficient of glass Thickness of each glass cover Refractive index of glass with respect to air Equal to latitude Ib700 W/m² 201 K: 19 per m S= 4 mm 1.526

Elements Of Electromagnetics
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A flat plate collector, facing due south, having two glass covers is located at
(34.05° N, 74.38° E), have the following data:
Standard longitude for IST
Date
Time
82.5° E
June 15
12 noon
Equal to latitude
Collector tilt angle
Beam radiation, I, (on horizontal surface)
Diffuse radiation, I (uniformly distributed over the sky) 1200 W/m²
Reflectivity of surrounding
P 0.2 Surrounding
= 0.92
Plate absorptivity of solar radiation
Extinction coefficient of glass
Thickness of each glass cover
Refractive index of glass with respect to air
Ib700 W/m²
K: 19 per m
S= 4 mm
21.526
Calculate:
(i)
Angle of incidence of beam radiation on the collector 1
Total solar flux incident on the collector IT
(iii) The incident flux absorbed by the absorber plate S
(ii)
Transcribed Image Text:A flat plate collector, facing due south, having two glass covers is located at (34.05° N, 74.38° E), have the following data: Standard longitude for IST Date Time 82.5° E June 15 12 noon Equal to latitude Collector tilt angle Beam radiation, I, (on horizontal surface) Diffuse radiation, I (uniformly distributed over the sky) 1200 W/m² Reflectivity of surrounding P 0.2 Surrounding = 0.92 Plate absorptivity of solar radiation Extinction coefficient of glass Thickness of each glass cover Refractive index of glass with respect to air Ib700 W/m² K: 19 per m S= 4 mm 21.526 Calculate: (i) Angle of incidence of beam radiation on the collector 1 Total solar flux incident on the collector IT (iii) The incident flux absorbed by the absorber plate S (ii)
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