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Heat release parameter
From Wikipedia, the free encyclopedia
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In combustion, heat release parameter (or gas expansion parameter) is a dimensionless parameter which measures the amount of heat released by an adibatic combustion process.[1][2] It is defined as
where
- is the adiabatic flame temperature
- is the unburnt mixture temperature.
In typical combustion process, . For isobaric combustion, using ideal gas law, the parameter can be expressed in terms of density,[3] i.e.,
The ratio of burnt gas to unburnt gas temperature is
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Gas expansion ratio
The gas expansion ratio is simply defined by
which is related to by
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References
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