MAE112HW1 - Due: January 18, 2008 MAE 112 Winter 2008...

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Due: January 18, 2008 MAE 112 Winter 2008 Homework Assignment #1 1. (a) Calculate AF at stoichiometric condition (AF st ) for methyl alcohol CH 3 OH (aka methanol) burning in air. AF is the ratio of mass flow of air to mass flow of fuel. Also, calculate FA = 1/ AF for the same condition. (b) Calculate AF and Φ = AF st / AF = FA/ FA st for methyl alcohol and 50% excess air. 2. Calculate theoretical (ideal) flame temperature for methane CH 4 initially at 537 º R with 40% excess air at constant pressure. See tables on Pages 42, 43, and 693 of the text. Pressure is constant at 10 atm. 3. Calculate theoretical (ideal) flame temperature for methane in stoichiometric ratio with enriched air (40% O 2 , 60% N 2 ). Pressure is constant at 10 atm. 4. H 2 O exists as the major product of combustion for hydrogen and oxygen originally in stoichiometric proportions with no other gas present. Find the fraction of products dissociated to H 2 and O 2 in each of the following conditions for the products:
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This homework help was uploaded on 04/07/2008 for the course MAE 112 taught by Professor Sirgiano during the Winter '08 term at UC Irvine.

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