4. Data for a flat-plate collector used for heating are given below: Factor Specification Location and latitude Coimbatore 11° 00’ N Day and time 22 March, 14.30 — 15.30 (LST) Average intensity of solar radiaton ...560 W/m? Collector tilt ...26° No. of glass cover B Heat removal factor for collector ...0.82 Transmittance of glass ...0.88 Absorptance of the plate ...0.93 Top loss coefficient (U,) for collector ...7.95 W/m?°C Collector fluid temperature ...75°C Ambient tempeature ...25°C Calculate: (i) Solar attitude angle, (ii) Incident angle, and (iii) Collector efficiency. [Ans. 43.9°, 46.1°, 8.87%] 4. Data for a flat-plate collector used for heating are given below:FactorSpecificationLocation and latitudeCoimbatore 11° 00' NDay and timeAverage intensity of solar radiaton22 March, 14.30 – 15.30 (LST)...560 W/m2Collector tilt...26°No. of glass cover...2Heat removal factor for collector...0.82Transmittance of glassAbsorptance of the plateTop loss coefficient (U,) for collectorCollector fluid temperature...0.88...0.93...7.95 W/m2°C..75°CAmbient tempeature...25°CCalculate:(i) Solar attitude angle,(iii) Collector efficiency.(ii) Incident angle, and[Ans. 43.9°, 46.1°, 8.87%)

Solar collector : The solar collector is a device which collects solar energy coming out from the…

Answered: 4. Data for a flat-plate collector used…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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4. Data for a flat-plate collector used for heating are given below: Factor Specification Location and latitude Coimbatore 11° 00’ N Day and time 22 March, 14.30 — 15.30 (LST) Average intensity of solar radiaton ...560 W/m? Collector tilt ...26° No. of glass cover B Heat removal factor for collector ...0.82 Transmittance of glass ...0.88 Absorptance of the plate ...0.93 Top loss coefficient (U,) for collector ...7.95 W/m?°C Collector fluid temperature ...75°C Ambient tempeature ...25°C Calculate: (i) Solar attitude angle, (ii) Incident angle, and (iii) Collector efficiency. [Ans. 43.9°, 46.1°, 8.87%]

4. Data for a flat-plate collector used for heating are given below:
Factor
Specification
Location and latitude
Coimbatore 11° 00' N
Day and time
Average intensity of solar radiaton
22 March, 14.30 – 15.30 (LST)
...560 W/m2
Collector tilt
...26°
No. of glass cover
...2
Heat removal factor for collector
...0.82
Transmittance of glass
Absorptance of the plate
Top loss coefficient (U,) for collector
Collector fluid temperature
...0.88
...0.93
...7.95 W/m2°C
..75°C
Ambient tempeature
...25°C
Calculate:
(i) Solar attitude angle,
(iii) Collector efficiency.
(ii) Incident angle, and
[Ans. 43.9°, 46.1°, 8.87%)

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