http://curriculum.calstatela.edu/courses/builders/lessons/less/biomes/SunEnergy.html
A pleasure I therefore claim to show, not how men think in myths, but how myths operate in men's minds without their being aware of the fact. Levi-Strauss, Claude
I could easily be off by a factor of 1000 because of sloppy use of units, but otherwise this is a no-go. We have met the enemy, and it is us — Pogo
At 8% conversion efficiency: 150*0.8*365*24*60*60 = 378,432,000 J/(year*m^2) For disel, 11kWh/L = 11000*60*60 = 39,600,000 J/L So, per square metre disel equivalent yield per year: 378,432,000/39,600,000=9.6L/(year*m^2) or 96,000L/(year*hectare)[sounds like a lot more than 3000. Do I have an extra zero??]
The EU used 494616 kTOE in 2005 In joules: 494616*1000*42e9 = 2.0774e19 J Which, converted to diesel litres is: 5.2459e11 L Per percent replacement: 5.4645e8 m^2 or 54645 hectares per percent replacement of 2005 fossil fuel usage.
Calorie - Wikipedia, the free encyclopedia
The calorie was never an SI unit. Modern definitions for calorie fall into 3 classes: The small calorie or gram calorie approximates the energy needed to increase the temperature of 1 gram of water by 1 °C. This is about 4.184 joules. The large calorie or kilogram calorie approximates the energy needed to increase the temperature of 1 kg of water by 1 °C. This is about 4.184 kJ, and exactly 1000 small calories. The megacalorie or ton calorie[citation needed] approximates the energy needed to increase the temperature of 1 tonne of water by 1 °C. This is about 4.184 MJ, and exactly 1000 large calories.
The calorie was never an SI unit. Modern definitions for calorie fall into 3 classes:
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