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Urgrnt help neededfor reacting flows

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Old   December 18, 2008, 06:48
Default Urgrnt help neededfor reacting flows
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Can any one help in suggesting suitable model for gas solid transient reacting flow specially for aluminimum air combustion .

Thanks in advance
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Old   December 18, 2008, 12:32
Default Re: Urgrnt help neededfor reacting flows
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Gas-solid combustion would be a very difficult thing to do. There are some gas-solid combustion models using the DPM multiphase model and specifying the burning rate, but mainly used when the solid fuel is dispersed in air. In FLUENT this is used to model coal combustion.

For gas-solid combustion involving aluminium, is it like for solid-propellant combustion? If this is in fact the case, then the physics involved would be even more complicated. The solid propellant includes both the oxidizer and fuel mixed and bounded together. One way to solve this is to somehow model the pyrolisis of the solids into gas, and only then do a gas-gas combustion.

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