A flat panel solar water heater is laid horizontal on a flat roof. The bottom surface of the panel is well insulated, while the upper surface is exposed to ambient air at 27 C. Calculate the equilibrium temperature of the panel surface during the day if the solar radiation flux is 500 W/m2 assuming an ambient sky effective temperature of 40C. The convection heat transfer is 12 W/m^2C. The emissivity of the panel is 0.8. hy W /m²C

A flat panel solar water heater is laid horizontal on a flat roof. The bottom surface of the panel is well insulated, while the upper surface is exposed to ambient air at 27 C. Calculate the equilibrium temperature of the panel surface during the day if the solar radiation flux is 500 W/m2 assuming an ambient sky effective temperature of 40C. The convection heat transfer is 12 W/m^2C. The emissivity of the panel is 0.8. hy W /m²C

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 11.48P

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