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28 Nov 2020
A flat-plate solar collector is used to heat water by having water flow through tubes attached at the back of the thin solar absorber plate. The absorber plate has a surface area of 2 m2 with emissivity and absorptivity of 0.9. The surface temperature of the absorber is 35oC, and solar radiation is incident on the absorber at 500 W/m2 with a surrounding temperature of 0oC. Convection heat transfer coefficient at the absorber surface is 5 W/m2 K, while the ambient temperature is 25oC. Net heat rate absorbed by the solar collector heats the water from an inlet temperature (Tin) to an outlet temperature (Tout). If the water flow rate is 5g/s with a specific heat of 4.2 kJ/kg K, determine the temperature rise of the water.
A flat-plate solar collector is used to heat water by having water flow through tubes attached at the back of the thin solar absorber plate. The absorber plate has a surface area of 2 m2 with emissivity and absorptivity of 0.9. The surface temperature of the absorber is 35oC, and solar radiation is incident on the absorber at 500 W/m2 with a surrounding temperature of 0oC. Convection heat transfer coefficient at the absorber surface is 5 W/m2 K, while the ambient temperature is 25oC. Net heat rate absorbed by the solar collector heats the water from an inlet temperature (Tin) to an outlet temperature (Tout). If the water flow rate is 5g/s with a specific heat of 4.2 kJ/kg K, determine the temperature rise of the water.
10 Aug 2023
Coleen AmadoLv10
28 Dec 2020
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