Sentence examples for mixture fraction pdf from inspiring English sources

A flammability map is also constructed from the resolved mixture fraction pdf and compared with its experimental counterpart.

Aspects of the measurements, including Favre-averaged profiles, conditional statistics, mixture fraction pdf's, and departures from partial equilibrium, are presented and discussed in terms or their relevance to the testing of turbulent combustion submodels.

This is shown by comparing LES and experimental fields in terms of mean and RMS fields of temperature, species, velocities as well as mixture fraction pdfs and unsteady activity for two regimes: a stable one at equivalence ratio 0.83 and an unstable one at 0.7.

The β probability density function (PDF) for the mixture fraction and Dirac δ PDF for both the pressure and the progress variable are used.

Here we use a hybrid method where the time evolution of the marginal PDF for mixture fraction is solved and a presumed β-PDF is used for the conditional distribution of the normalized sensible enthalpy.

For many gas phase reactive processes like combustion, a mixture fraction approach with presumed PDF may be more suitable.

In Part I we described how multimodal mixture fraction probability density functions (PDFs) and conditional scalar dissipation rates can be modeled with a presumed mapping function approach.

A clipped Gaussian PDF distribution for temperature and a β-PDF for mixture fraction are employed.

The flow and mixing fields are calculated by assuming fast chemistry and a beta function pdf for mixture fraction.

The instationary Probability Density Functions (PDF) of mixture fraction are described very well by Beta functions within the complete area of the open jet.

The proposed model provides closures for the joint PDF of mixture fraction and sensible enthalpy, for the conditional variance equation of a reactive scalar, and for the doubly conditioned dissipation terms.