TurbNonPremixedFlamesLect30ME525SP2011

TurbNonPremixedFlamesLect30ME525SP2011 - ME 525: Combustion...

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School of Mechanical Engineering, Purdue University ME 525: Combustion Lecture 30: Nonpremixed Turbulent Flames Prof. Robert P. Lucht Room 87, Mechanical Engineering Building School of Mechanical Engineering Purdue University West Lafayette, Indiana Email: Lucht@purdue.edu Phone: 765-494-5623 April 28, 2011 1/13
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School of Mechanical Engineering, Purdue University Lecture Topics • Turbulent nonpremixed flame lengths. • Turbulent jet flame liftoff. • Turbulent jet flame blowout. 2/13
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School of Mechanical Engineering, Purdue University Nonpremixed Jet Flame Heights • Re number dependence of flame length (Kuo, 2nd Ed., p. 550) 3/13
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School of Mechanical Engineering, Purdue University Nonpremixed Jet Flame Heights • Re number dependence of flame length (Kuo, 2 nd Ed., p. 550) 4/13
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School of Mechanical Engineering, Purdue University Nonpremixed Jet Flame Heights: Laminar Case • For a laminar jet, the flame length is determined by the time that it takes for the co-flow fluid to diffuse to the jet centerline: v f e L t
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TurbNonPremixedFlamesLect30ME525SP2011 - ME 525: Combustion...

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