Sustainable Energy
2nd Edition
ISBN: 9781337551663
Author: DUNLAP, Richard A.
Publisher: Cengage,
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Students have asked these similar questions
In the solar energy budget shown;
B
D
Cloud
A
Atmosphere
F
H
E
Land
Sea
How much in percent is the albedo for combined sea and cloud?
A=19
B=5
C=10
D=3
E=40
F=6
G=10
H=7
A home is heated with propane with a
100,000 BTU furnace size and 95%
efficiency. The monthly heating degree
days is 5000. Using the energy estimation
discussed in this chapter, estimate the
monthly and annual gas consumption to
heat the building if the home is to be kept
68°F.
The annual average insolation for a fixed solar panel in
city A is 350 W/m2. On the other hand, city B has a figure
of 300 W/m?. For both locations, the solar panel has the
capability to convert 17% of the incident energy into
electricity. Average annual electricity in City A is 13 000
kWh with an average cost of $0.4/kWh, while in city B, it
is 10 000 kWh at a cost of $0.75/kWh.
For City A,
a. Determine the area of the solar panel needed in order
to suffice the average electrical needs of a residence.
b. Determine the area of the solar panel needed in order
to suffice the average electrical needs of a residence in
City B.
c. Determine the price per square meter of solar panel in
City A if the device has a lifetime of 20 years. Assume
that the electricity costs are constant throughout the
period.
d. Determine the price per square meter of solar panel in
City B if the device has a lifetime of 20 years. Assume
that the electricity costs are constant throughout the
period.
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