lecture02 - ENGRI 1290 1 The energy challenge Production...

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Unformatted text preview: ENGRI 1290 1 The energy challenge Production Consumption Environmental impact ENGRI 1290 2 Lectures objectives 1. Presenting the different ways to harvest energy 2. Learning the major differences between renewable and non-renewable energies 3. Understanding how much energy our society needs 4. Discovering some facts about global warming ENGRI 1290 3 The different means to harvest energy today Fossil fuels Coal Oil Natural Gas Nuclear fuels Uranium Plutoni um Thorium , B i o f u e l s Solar power Hydro power W i n d p o w e r Geothermal power W a v e / t i d e p o w e r Todays technologies provide few economical means to extract usable energy from our environment: ENGRI 1290 4 What about the future ? Man made fusion (my job) Whole stars (Dyson sphere) Black holes While future means to harness energy have yet to be mastered or discovered, they will be: Physically sound (no perpetual motion) Economical (no free breakfast) As our technology develops we will get energy from ENGRI 1290 5 Renewable and Nonrenewable energies Not renewed by natural processes on the human society time scale (~100 kyears) Power plants can be located anywhere High energy density (lots of...
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This note was uploaded on 09/14/2011 for the course ENGRI 1290 taught by Professor Gourdain during the Fall '10 term at Cornell University (Engineering School).

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lecture02 - ENGRI 1290 1 The energy challenge Production...

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