On Performance of Advection Schemes in the Prediction of Diesel Spray and Fuel Vapour Distributions

Kärrholm Peng, Fabian,1980Chalmers tekniska högskola,Chalmers University of Technology (författare)

We have investigated the performance of advection schemes (focusing mainlyon Total Variation Diminishing, TVD, schemes)applied in modelling diesel sprays, and assessed their influence on liquidspray penetration and fuel vapour distribution. Here,we compare sprays simulated using several types of TVD schemes (Superbee,MUSCL, limited Linear, and UMIST) – andstandard upwind and linear schemes as references – in conjunction withthree different turbulence models (standard, RNG andLaunder-Sharma k-ε models), to non-reacting diesel sprays observed inthe Sandia high-pressure, high-temperature constant-volume vessel. The OpenFOAM CFD code was used for all of the simulationsdescribed. In addition to comparing thesimulations to experimental data, we provide overall assessments of theperformance and utility of the TVD schemes in multi-dimensional diesel modelling.

Tao, Feng,1964Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)ftao (författare)
Chalmers tekniska högskola (creator_code:org_t)

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