Analysis of combustion of a porous medium. Master's thesis
Technical Report
·
OSTI ID:5848646
A numerical analysis of a heat transfer and combustion model for a porous medium within a circular cylinder is carried out. The basic mechanisms considered in the theory are: a carbon energy conservation equation, energy balance on air, and an oxygen mass balance equation, and an oxygen mass-balance equation. Heat-transfer mechanisms included in the model are conduction, convection, and radiation. A heat-generation term arising from combustion of the carbon is included in the model. Transport mechanisms for oxygen mass transfer are molecular diffusion and convective transport. The governing heat- and mass-transfer equations are solved numerically by the Galerkin formulation of the finite element method. The results show the effects of permeability, porosity, geometry, and initial condition on the behavior of the system.
- Research Organization:
- Naval Postgraduate School, Monterey, CA (USA)
- OSTI ID:
- 5848646
- Report Number(s):
- AD-A-164491/3/XAB
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400800* -- Combustion
Pyrolysis
& High-Temperature Chemistry
AIR
CARBON
CHEMICAL REACTIONS
COMBUSTION
CONVECTION
DIFFUSION
ELECTROMAGNETIC RADIATION
ELEMENTS
ENERGY CONSERVATION
ENERGY TRANSFER
FINITE ELEMENT METHOD
FLUIDS
GALERKIN-PETROV METHOD
GASES
HEAT TRANSFER
ITERATIVE METHODS
MASS TRANSFER
MATERIALS
MATHEMATICS
MOLECULES
NONMETALS
NUMERICAL ANALYSIS
NUMERICAL SOLUTION
OXIDATION
OXYGEN
PERMEABILITY
POROUS MATERIALS
RADIATIONS
THERMAL RADIATION
THERMOCHEMICAL PROCESSES
400800* -- Combustion
Pyrolysis
& High-Temperature Chemistry
AIR
CARBON
CHEMICAL REACTIONS
COMBUSTION
CONVECTION
DIFFUSION
ELECTROMAGNETIC RADIATION
ELEMENTS
ENERGY CONSERVATION
ENERGY TRANSFER
FINITE ELEMENT METHOD
FLUIDS
GALERKIN-PETROV METHOD
GASES
HEAT TRANSFER
ITERATIVE METHODS
MASS TRANSFER
MATERIALS
MATHEMATICS
MOLECULES
NONMETALS
NUMERICAL ANALYSIS
NUMERICAL SOLUTION
OXIDATION
OXYGEN
PERMEABILITY
POROUS MATERIALS
RADIATIONS
THERMAL RADIATION
THERMOCHEMICAL PROCESSES