Question on the pre-exponential factor
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I'am doing reasearch on after-burned reaction of plume.But when i focus on the volumetric reaction,i find some questions.When i defeine the reactions,i can't find out the units of pre-exponential factor that i can't calculate the result.I have looked many literatures on it.☹
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Hi Wang,
The unit of Pre- exponential factor depend on the order of reaction (there is no single/universal unit). If the above reaction database is based CHEMKIN format. then the units would cgs form.
For example a first order reaction which no temperature exponent, would have a unit of s-1.
Below is the snippet from CHEMKIN Input Manual (for your reference)
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