Question

Suppose the house in question 3 is located in cleveland where the annual average solar flux is 160 w/m2 . if 10 m2 of solar panels operating at 20 percent efficiency were installed on this house to collect and store solar energy in the form of hot water:

Answer 1

Solar flux that incident on it is given as

S = 160 W/m/m

Now we know that the area of solar panels is given as

A = 10 m^2

So total solar power received by solar panels is given as

$Power Received = (Solar flux) \times (Area)$

$P = S\times A$

now here we have

$P = 160 \times 10$

$P = 1600 W$

now we know that efficiency of the solar panels is 20%

so total output power will be

$efficiency = \frac{P_{out}}{P_{in}}$

$0.20 = \frac{P_{out}}{1600}$

$P_{out} = 320 W$