Question: Exercise 9.2: A simple acetylene-oxygen coflow nonpremixed flame shall be con- sidered. Flow 1 consists only of oxygen (O2), flow 2 only of acetylene

Exercise 9.2: A simple acetylene-oxygen coflow nonpremixed flame shall be con- sidered. Flow 1 consists only of oxygen (O2), flow 2 only of acetylene (CH). 9.4 Exercises 139 (a) Determine the mixture fractions ; for the elements C, H and O prior to ignition. (b) Determine the mixture fractions for C, H and O after the ignition. Take into ac- count that CO2 and H2O are formed (assume equal diffusivities). (c) What is the value of the mixture fraction at stoichiometric composition?

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