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Lecture_2_comb_energy

Lecture_2_comb_energy - • Combustion will remain dominant...

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1 1 Chemical Engineering 633 Combustion Processes Combustion and Energy What is combustion? • What is combustion? • How can we define it? • What are its properties and characteristics? • How do we know something is combustion and when it is not? 2
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2 Web Definitions 3 4 Premixed and Nonpremixed Flames Products Fuel Oxidizer Oxidizer + Fuel Products Premixed Nonpremixed
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3 Flame and Flameles Modes 5 U.S. Energy Use 6 http://www.eia.doe.gov/emeu/aer/
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4 U.S. Energy Use 7 http://www.eia.doe.gov/emeu/aer/ Non-combustion energy sources Non-combustion Nuclear: 9% Hydro: 2.4% Wind: 0.5% Solar: 0.1% Non-combustion sources will continue to increase, even substantially.
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Unformatted text preview: • Combustion will remain dominant in the forseeable future. 8 http://www.eia.doe.gov/emeu/aer/ 5 Energy Density 9 http://upload.wikimedia.org/wikipedia/commons/c/c6/Energy_density.svg Combustion Issues 10 6 Combustion Issues 11 The Issue: Emissions • Emissions: – Pollutants • NOx • SOx • PM • Metals – Greenhouse Gases 12 7 SO2 Emissions 13 Climate Change—IPCC 14 http://www.ipcc.ch/pdf/assessment-report/ar4/wg1/ar4-wg1-spm.pdf 8 IPCC—Radiative Forcing 15 Climate Models 16 9 Global Warming Petition Project 17 http://www.oism.org/pproject/s33p36.htm Global Warming Petition Project 18 10 Global Warming Petition Project 19...
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Lecture_2_comb_energy - • Combustion will remain dominant...

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