Physics, 13.12.2019 17:31, genyjoannerubiera
At the surface of the earth, there is an approximate average solar flux of 0.75 kw/m2. a family wishes to construct a solar energy conversion system to power their home. if the conversion system is 30% efficient and the family needs a maximum of 26 kw, what effective surface area is needed for perfectly absorbing collectors?
Answers: 2
![S=115.6 [m^{2}]](/tpl/images/0417/1954/1eda1.png)
![\Phi_{solar} [kW/m^{2}]\cdot S [m^{2}] \cdot e=26 [kW]](/tpl/images/0417/1954/3d277.png)
(1)![S=\frac{26 [kW]}{0.75 [kW/m^{2}]\cdot 0.3}=115.6 [m^{2}]](/tpl/images/0417/1954/80cb7.png)
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