Reacting Flows in Porous Media
Complex Multi-Phase, Multi-Component Simulation
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Modelling of multi-component, multi-phase reacting flows in porous and fractured media is investigated with examples on spontaneous combustion of coal and the extraction of coalbed methane. Chemical reactions, adsorption, gaseous diffusion and changes in transport properties (porosity and permeability) are of particular importance. These matters along with numerical dispersion and stiffness are discussed in the first four chapters. A new power law model for representing the diminishing reaction effect during self-heating reactions was proposed, and compared with existing models.A modified vers...
Modelling of multi-component, multi-phase reacting
flows in porous and fractured media is investigated
with examples on spontaneous combustion of coal and
the extraction of coalbed methane.
Chemical reactions, adsorption, gaseous diffusion
and changes in transport properties (porosity and
permeability) are of particular importance. These
matters along with numerical dispersion and
stiffness are discussed in the first four chapters.
A new power law model for representing the
diminishing reaction effect during self-heating
reactions was proposed, and compared with existing
models.
A modified version of the TOUGH2 simulator is used
for modelling the adiabatic method for testing the
reactivity of coal samples. The results agrees well
with experimental measurements for coal samples from
different mines in New Zealand and Australia.
Moisture effect on the reaction rate was then
introduced to TOUGH2 using a new two-phase equation
of state (EOS) module.
Finally the production of methane from low rank
coalbeds was investigated. A new and versatile
coalbed methane simulator was developed.
flows in porous and fractured media is investigated
with examples on spontaneous combustion of coal and
the extraction of coalbed methane.
Chemical reactions, adsorption, gaseous diffusion
and changes in transport properties (porosity and
permeability) are of particular importance. These
matters along with numerical dispersion and
stiffness are discussed in the first four chapters.
A new power law model for representing the
diminishing reaction effect during self-heating
reactions was proposed, and compared with existing
models.
A modified version of the TOUGH2 simulator is used
for modelling the adiabatic method for testing the
reactivity of coal samples. The results agrees well
with experimental measurements for coal samples from
different mines in New Zealand and Australia.
Moisture effect on the reaction rate was then
introduced to TOUGH2 using a new two-phase equation
of state (EOS) module.
Finally the production of methane from low rank
coalbeds was investigated. A new and versatile
coalbed methane simulator was developed.
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