33 Answered Questions for the topic Sustainable Energy
09/19/14
What percentage of Australia’s electricity consumption could be produced by wave farms?
It is estimated that 1 million GWh of wave energy hits Australian shores annually. Australia’s electricity consumption in 2012 was 225 billion kWh.Assuming 10% of our shores had wave farms with an...
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Sustainable Energy
An upper limit of 24 kWh/d/p on the power available from wind in Australia was presented, subject to certain assumptions. The installed wind capacity in Australia in December 2012 was 2.576 GW. The...
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09/17/14
Sustainable Energy: Wind
A wind farm occupying a certain (unspecified) area in which the average wind speed is 3 metres per second (m/s) generates an average power of 5 kWh/d. If the wind speed is doubled to 6 m/s, what is...
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Sustainable Energy
The average annual rainfall in the Newcastle region is 1133 mm and the average land elevation is 21 metres. What would the hydroelectric power density be for the Newcastle region assuming everydrop...
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09/17/14
Sustainable Energy
A location at an altitude of 1,220 m recieves annual rainfall of 790 mm. Calculate the average power density of rainwater in W/m2. You may assume that every drop of rain is captured in a dam and...
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Sustainable Energy Physics
09/17/14
Sustainable Energy: True or False?
A tidal power plant has been proposed for construction in the Newcastle region of England, where extreme tidal ranges are observed. The proposed plant would produce 100 GWh of electricity per...
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09/17/14
What is it’s capacity factor?
The Pelamis Sea Snake wave energy collector has a peak power output of 750 kW, and can produce 2600 MWh annually.
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09/17/14
A wind farm produces 1 GWh of electricity per week from 31 x 1MW wind turbines.
Calculate the capacity factor of the wind farm. Express your answer as a percentage.
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