4. Please evaluate the energy gain from solar panels in an area of 1.0 square ki

Question

4. Please evaluate the energy gain from solar panels in an area of 1.0 square kilometers in 300 sunny days with average time of 7 hours one sunny day in one year (assuming 65 cloudy days). With commercial grade products, the solar panel efficiency is about 8%. If the same area is used to grow corn for biofuel (ethanol and biomass) harvesting two times a year. how much energy may be obtained (look up the yield of biomass and corn online). Note: assume the solar energy received on per square meter is 1.0 kW. Dry biomass energy from combustion is provided in a table.

Explanation / Answer

WEll wecan create some poresinpanelsothat crop can also grow:)

solution: well energy created by solar panels = 1km2 =1000000 m2 so energy= 1000000 kW

solar efficiency= 8 percent of 1000000= 80000 Kw this is for one year so for two years = 160000

compare this enrgy with the energy produced by ethanol and biomass in two years

by using yield i m not finding corn yield

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