Heat release parameter: Difference between revisions

Revision as of 22:01, 15 April 2018

Revision as of 23:54, 15 April 2018

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*<math>T_u</math> is the unburnt mixture temperature.

In typical combustion process, <math>\alpha\simapprox 0.7-0.9</math>. For [[isobaric]] combustion, using [[ideal gas law]], the parameter can be expressed in terms of [[density]],<ref>Clavin, P. (1985). Dynamic behavior of premixed flame fronts in laminar and turbulent flows. Progress in energy and combustion science, 11(1), 1-59.</ref> i.e.,

:<math>\alpha = \frac{T_b-T_u}{T_b} = \frac{\rho_u-\rho_b}{\rho_u}.</math>