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Andrei A. Bolkisev

Andrei A. Bolkisev

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7
Publications
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46
Citations

Publications

Publications (7)
Article
Downward flame spread over PMMA surface has been studied numerically by coupled heat and mass transfer model including two-dimensional elliptical equations both in the gas phase and solid fuel. Unlike the generally accepted approach based on the one-step macro-reaction for combustion, present model employs the two-step reactions mechanism in the ga...
Article
The burning behavior of polyoxymethylene in the counterflow of oxidizing air has been studied experimentally and numerically. Measurements have been performed using a specially designed burner. The temperature profiles were measured in gas phases by a microthermocouple technique. The burning surface temperature and the mass burning rates of solid f...
Article
Flame spread over the horizontal surface of polymethyl methacrylate (PMMA) has been studied numerically by a coupled model of heat and mass transfer describing the feedback between gas-phase flame and solid fuel. Mathematical formulation has been defined by non-stationary two-dimensional elliptic equations applied both for gas phase and solid fuel....
Article
This study presents the results of a comprehensive experimental investigation and numerical simulation of the downward flame spread over PMMA slabs. For the first time, in the case of downward flame spread over PMMA slab 9.6 mm thick, temperature and species concentration fields in the gas-phase flame, temperature profiles in the condensed phase an...
Article
The burning behavior of polyethylene in the counterflow of oxidizing air has been studied numerically with a coupled model describing feedback heat and mass transfer between gas‐phase flame and polymeric solid fuel. A 2‐dimensional elliptic equation in axisymmetric formulation (revealing the cylindrical shape of the polymer sample used in the exper...
Article
Full-text available
The paper presents two versions of numerical methods for solving systems of chemical kinetics which are based on quasi-steady state and partial equilibrium approximations. These methods are explicit and guarantee that the solutions are positive and bounded for an arbitrary period of time. In contrast to the existing methods, they ensure the conserv...

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