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UBC Theses and Dissertations

Conditional moment closure for methane oxidation using two conditional variables and stochastic processes Lozada-Ramfrez, Jorges R.


The conditional moment closure method using two conditioning scalar variables is applied to derive the transport equation of species mass fraction, temperature, and scalar dissipation in a decaying, isotropic, homogeneous turbulent methane-air flow. The strain tensor in the transport equation of scalar dissipation of the conditioning variables is simulated using stochastic processes. The results of this model are then compared to DNS and conditional moment closure with one variable for the same test case.

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