What is irradiation (G)? - Heat Transfer

Q.  What is irradiation (G)?
- Published on 12 Aug 15

a. the total radiation incident upon a surface per unit time per unit surface area
b. the total radiation leaving a surface per unit time per unit surface area
c. the net radiation exchanging between two surfaces per unit time per unit surface area
d. none of the above

ANSWER: the total radiation incident upon a surface per unit time per unit surface area

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