Homework 2

Homework 2 - 5310: Combustion Fundamentals Problems from...

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5310: Combustion Fundamentals Homework #2 Problems from Turns: Complete questions: 4-6, 4-7, 4-10, 4-11, 4-12, 4-13, 4-16, 4-17, 4-20 Problems (these problems are from Glassman Chapter 2): 1: For a temperature of 1,000 K, calculate the pre-exponential factor in the specific reaction rate constant for: 1. any simple bimolecular reaction 2. any simple unimolecular decomposition reaction following transition state theory. Complete this problem using the collision model described in Section B, part 1. To complete this problem it will be necessary to estimate the average molecular diameter, d 2 AB using a simple kinetic theory approach for viscosity assuming a Maxwellian distribution: 2 2 1 1 d mkT π μ = 1.1 Also note that μ AB (the reduced mass, not the viscosity as given above) can be approximated as 30. Note that this problem can also be completed using reaction rate theory for reactions between more complicated molecules, and a detailed treatment of collision is necessary. 2: The decomposition of acetaldehyde is found to be overall first-order with respect to the acetaldehyde and to have and to have an overall activation energy of 60 kcal/mol. Assume the following hypothetical sequence to be the chain decomposition mechanism of acetaldehyde: 2 3 3 3 5 . 0 5 . 0 5 . 0 5 . 0 1
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This note was uploaded on 02/11/2012 for the course MAE 5310 taught by Professor Danielkirk during the Fall '09 term at FIT.

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Homework 2 - 5310: Combustion Fundamentals Problems from...

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