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MindTap Engineering for Dunlap's Sustainable Energy, SI Edition, 2nd Edition [Instant Access], 1 term (6 months)
2nd Edition
ISBN: 9781337551755
Author: DUNLAP
Publisher: Cengage Learning US
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Students have asked these similar questions
In the solar energy budget shown;
B
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F
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C=10
D=3
E=40
F=6
G=10
H=7
A home is heated with propane with a
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December 15, 2017 for a location at 24.85° N latitude.
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1 and 2, if each turbine have
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MindTap Engineering for Dunlap's Sustainable Energy, SI Edition, 2nd Edition [Instant Access], 1 term (6 months)
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- 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.arrow_forwardWhen 1 cu ft of natural gas is burned, 1,050 Btu of heat are produced. In oneday, a building uses 761,250 Btu of heat. How many cubic feet of gas areburned?arrow_forwardOn a summer day, the mean solar irradiance received at a lake was 500 W/m^ 2 over 25 days (consider the day length to be 8 hours). If 80% of the energy is used to vaporize water, how large could the depth of evaporation be?arrow_forward
- For a building located in Madrid, Spain with annual heating degree-days (dd) of 4654, a heating load (heat loss) of 30,000 kj/h, and a design temperature difference of 30° C (20° C indoor), estimate the annual energy consumption. If the building is heated with a furnace with an efficiency of 92%, how muchgas is burned to keep the home at 20° C? State your assumptions.arrow_forwardThe heat exchanger radiates thermal energy at the rate of 2500 kJ/h for each square meter of its surface area. Determine how many joules (J) are radiated within a 5-hour period.arrow_forwardList down three to five situations in which buildings, roads or other structures has been built to make room for thermal expansion of different materials.arrow_forward
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- Assume 40% of the light emitted by a 1000 W metal halide lamp (110,000 lm) illuminates a surface with the area of a 32-ft diameter. 1. Determine the average illuminance of the surface in foot candles. 2. Determine the average illuminance of the surface in lux.arrow_forward2. A refrigerator has COP of 3.2. How much work must be supplied to the refrigerator in order to remove 320 J of heat from its interior?arrow_forward
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