Premium
A new approach to simulate confined, premixed and slow combustion
Author(s) -
Gößnitzer Clemens,
Steinrück Herbert
Publication year - 2019
Publication title -
pamm
Language(s) - English
Resource type - Journals
ISSN - 1617-7061
DOI - 10.1002/pamm.201900079
Subject(s) - combustion , vector field , mechanics , mach number , discontinuity (linguistics) , poisson's equation , thermal conduction , classification of discontinuities , scalar (mathematics) , flow (mathematics) , physics , classical mechanics , mathematics , mathematical analysis , chemistry , geometry , thermodynamics , organic chemistry
To simulate confined combustion, a new numerical method is presented. Assuming low‐Mach number flow and neglecting viscosity, radiation and heat conduction, the divergence of the velocity field is time‐dependent only. Thus, Helmholtz decomposition of the flow field yields a simpler numerical solution algorithm. This leads to Poisson's equations for the scalar and vector potential. To track the flame front, marker points are distributed along the discontinuity.