lec10 - Energy resources Fossil fuels Coal Oil Gas Nuclear...

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Unformatted text preview: Energy resources Fossil fuels Coal Oil Gas Nuclear energy Petroleum 39% Gas 24% Coal 22% Nuclear 7% Image by MIT OCW. Energy resources Renewable energies Wind Coal 22% Nuclear 7% Renewables 8% Petroleum 39% Gas 24% Image by MIT OCW. Energy resources Renewable energies Wind Solar thermal Coal 22% Nuclear 7% Renewables 8% Petroleum 39% Gas 24% LATITUDE L A T I T U D E LATITUDE + 15 o-15 o 1 2 3 Image by MIT OCW. Image by MIT OCW. Energy resources Renewable energies Wind Solar thermal Photovoltaic Coal 22% Nuclear 7% Renewables 8% Petroleum 39% Gas 24% Image by MIT OCW. Energy resources Renewable energies storage issue Wind Solar thermal Photovoltaic Hydroelectric (& Tidal) Coal 22% Nuclear 7% Renewables 8% Petroleum 39% Gas 24% Image by MIT OCW. Energy resources Energy conversion Electricity Electric heating only half as efficient as direct fuel combustion Cool water in Warm water out Waterway Condensate Pump Fuel Generator Steam Turbine Boiler Electrical Energy Condensor Conversion Device Efficiency, 0.30 0.60 0.70 0.70 0.75 0.05-0.20 0.18-0.40 0.20-0.28 0.32-0.38 0.30-0.35 0.97 0.92 0.98 0.75 0.99 Open fireplace...
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lec10 - Energy resources Fossil fuels Coal Oil Gas Nuclear...

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