HW5ME525SP2011

HW5ME525SP2011 - 1 ME 525 Homework #5 Due Thursday, March...

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1 ME 525 Homework #5 Due Thursday, March 31, 2011 Prof. Lucht (E-mail address: [email protected]) 1. The CHEMKIN-based PREMIX routine was used to calculate the flame structure for burner- stabilized hydrogen-air flames at equivalence ratios of 0.8, 1.0 and 1.25. The data files for these flames are posted on the class website. Plot the temperature profiles for each of the flames on the same plot and compare the final temperatures and the gradients in the flame zone. Similarly, plot the concentration profiles for the radicals O, H, and OH, comparing peak values in each of the flames. 2. Assume that in each of the flames in problem 1 the chemical destruction reactions for the hydrogen molecule are given by 3 2 3 22 1 2 3.87 04 , 2.70 , 26.2 2.16 08 , 1.51, 14.4 A A f f k cm kJ OH O HH A e b E gmol s gmol k cm kJ OH H H O H A e b E gmol s gmol    where the rates of the listed chemical reactions are given by kA T E R T b Au exp / b g .
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This note was uploaded on 12/27/2011 for the course ME 525 taught by Professor Lucth during the Fall '11 term at Purdue University.

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HW5ME525SP2011 - 1 ME 525 Homework #5 Due Thursday, March...

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