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A Novel Lattice BGK Approach for Low Mach Number Combustion

✍ Scribed by Olga Filippova; Dieter Hänel

Book ID
102970299
Publisher
Elsevier Science
Year
2000
Tongue
English
Weight
633 KB
Volume
158
Category
Article
ISSN
0021-9991

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✦ Synopsis

An extended lattice Boltzmann (BGK) model is presented for the simulation of low Mach number flows with significant density changes. For applications to reactive flows this new model is coupled with a finite-difference scheme for solving the transport equations of energy and species. With a boundary fitting formulation and local grid refinement the scheme enables accurate and efficient computations of low Mach number reactive flows in complex geometry on the simplest Cartesian grids. Examples of reactive flows around porous burners are presented.

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✍ D. Hänel; U. Lantermann; R. Kaiser; I. Wlokas 📂 Article 📅 2006 🏛 John Wiley and Sons 🌐 English ⚖ 860 KB

## Abstract The lattice‐BGK method has been extended by introducing additional, free parameters in the original formulation of the lattice‐BGK methods. The relationship between these parameters and the macroscopic moment equations is analysed by Taylor series and Chapman–Enskog expansion. The param