Answered: Calculate the instantaneous efficiency…

Calculate the instantaneous efficiency of a solar thermal system that has an area of 4 m2 collectors, if the instantaneous power is 2KW thermal and the incident solar irradiance is 1000 W/m2?

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 11.5P

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Question

Calculate the instantaneous efficiency of a
solar thermal system that has an area of 4 m2
collectors, if the instantaneous power is 2KW
thermal and the incident solar irradiance is
1000 W/m2?
Select one:
a. 80 %
b. None
C. 40 %
d. 50 %
e. 60 %
f. 20 %

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