EML4450L4

EML4450L4 - S ustainable E nergy S cience and E ngineering...

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Unformatted text preview: S ustainable E nergy S cience and E ngineering C enter Sustainable Energy: The Solar Strategy S ustainable E nergy S cience and E ngineering C enter Energy and Power Energy (in joules) = Force (in newtons) x Distance (in meters) Power (in watt) = Rate at which energy is converted from one form to the other ( in joules per second) Example: 100 watt light bulb is converting 100 joules of energy into light each second Power used in a given period is generally used as a measure of energy - kWh 1 kWh = 1000 x 3600 = 3.6 x 10 6 Joules (i.e. 3.6 MJ) 1 Million tonnes of oil equivalent (Mtoe) = 41.9 x 10 15 Joules (i.e. 41.9 PJ) kWh= kW x capacity factor x 365 x 24 - Annual conversion Exa - 10 18 ; Peta - 10 15 ; Tera - 10 12 ; Giga - 10 9 ; Mega - 10 6 1 TW = 31.54 EJ/year Useful conversion tables at: http://cdiac.ornl.gov/pns/convert.html S ustainable E nergy S cience and E ngineering C enter Taxonomy of Sustainable Development Goals Adapted from National Research Council, 1999 S ustainable E nergy S cience and E ngineering C enter Primary Energy Consumption per Capita Electricity Heat Transport One Tone of Oil Equivalent = 11,639 kWh S ustainable E nergy S cience and E ngineering C enter Source: World Energy Council, Cleaner Fossil Fuels Systems Committee Population Without Electricity S ustainable E nergy S cience and E ngineering C enter Global Electricity Production 16 TWh S ustainable E nergy S cience and E ngineering C enter Growth in Electricity Demand 2001 2010 2015 2020 2025 2,000 4,000 6,000 8,000 10,000 12,000 B i l l i o n K i l o w a t t h o u r s Industrialized EE/FSU Developing History Projections Total:~ 14 TWh 24 TWh Typical home electricity use in USA = 9000 kWh/year S ustainable E nergy S cience and E ngineering C enter US Energy Need Source: Transforming the electricity infrastructure by Gellings & Yeager, Physics Today, December 2004. S ustainable E nergy S cience and E ngineering C enter Average Customer Load in kWh/year State Residential Commercial: small/medium Commercial: Large Florida 13,806 81,344 817,951 California 6,528 64,240 520,152 Michigan 7,788 74,756 2,480,151 Minnesota 9,333 85,583 3,963,724 New York 6,532 65,638 2,472,830 S ustainable E nergy S cience and E ngineering C enter Per Capita Energy Use S ustainable E nergy S cience and E ngineering C enter Per Capita Electricity Consumption Potential energy savings Source: Daniel Kammen, UC Berkeley, ER 100 Lecture 1, Fall 2005 S ustainable E nergy S cience and E ngineering C enter Florida Energy Use Source: Florida’s Energy Future, DEP, January, 2004 S ustainable E nergy S cience and E ngineering C enter Florida Electricity Generation S ustainable E nergy S cience and E ngineering C enter Wood=1.25 Wood=1.25 Coal =1.08 Oil =0.84 Gas =0.64 Carbon Intensity of...
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This note was uploaded on 10/22/2011 for the course EML 4450 taught by Professor Greska during the Fall '06 term at FSU.

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EML4450L4 - S ustainable E nergy S cience and E ngineering...

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