5310 Combustion Introduction Lecture 3

5310 Combustion Introduction Lecture 3 - MAE 5310...

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MAE 5310: COMBUSTION FUNDAMENTALS Lecture 3: Heat of Combustion and Adiabatic Flame Temperature August 30, 2011 Mechanical and Aerospace Engineering Department Florida Institute of Technology D. R. Kirk
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ADIABATIC FLAME TEMPERATURE For an adiabatic combustion process, with no change in KE or PE, temperature of products is called Adiabatic Flame Temperature Maximum temperature that can be achieved for given concentrations of reactants Incomplete combustion or heat transfer from reactants act to lower temperature Adiabatic flame temperature is generally a good estimate of actual temperature achieved in a flame, since chemical time scales are often shorter than those associated with transfer of heat and work Most common is constant-pressure adiabatic flame temperature Conceptually simple, but in practice difficult to evaluate because requires detailed knowledge of product composition, which is function of temperature ( 29 ( 29 ( 29 ( 29 P T h P T h P T H P T H ad prod i reac ad prod i reac , , , , = =
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SUPPLEMENTAL SLIDES (GLASSMAN)
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5310 Combustion Introduction Lecture 3 - MAE 5310...

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