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Dr. Goodarz Ahmadi
Director, TMFL
Clarkson U.
Potsdam, NY 13699

 Research Projects
Aerosol Wind Tunnel | Boiler | Charged Fibers | Charged Particles | CMP | CO2 Sequestration | Coal Ash Deposition | CRCD | Cryogenic Surface Cleaning | DNS | Fractured Rocks | Gas Hydrates | Glass Furnaces | Hot Gas Filtration | Indoor Air | Lung | Nano Aerosols | Outdoor Air | Particle Resuspension | Powder Dispersion | Bauxite Residue | Sediment Transport | Slurry Reactors | Sprays | Supersonic Impactors | Vibration Control | Reduced Order Modeling |

Computer Modeling of Ash Particle Transport to Boiler Surfaces

-Boiler Simulation-

It is known that ash particles are not uniformly distributed in boilers, and segregation occurs based on particle size and composition (density). Typically, heavy (iron-rich) ash falls to the bottom of the boiler, while the light ash remains suspended and is transported by the hot gas. Depending on particle size and density (composition), some ash particles penetrate the boundary layer and deposit one the boiler walls, while others are swept away by the gas flow and leave through the exhaust. As a result, the rate of deposition and the composition of deposited ash may vary from region-to-region within the boiler.

The main objective of this project is to provide a fundamental understanding of transport and deposition of coal-ash in boilers. The general goal is to develop a procedure for using the available computational tools to optimal design the future industrial boilers. The specific objectives are:

  1. To provide a fundamental understanding of particle transport and deposition in industrial boilers.
  2. To perform a comprehensive set of computer simulations for the CONSOL pilot-scale furnace.
  3. To verify the computational model by comparing the ash deposition rate and composition with the experimental data for the CONSOL pilot-scale boiler.

-U.S. Department of Energy- -CONSOL Energy-

Questions or Comments should be addressed to the Lab Director, Dr. Goodarz Ahmadi

Dr. Goodarz Ahmadi | Turbulence & Multiphase Fluid Flow Laboratory | Department of Mechanical & Aeronautical Engineering
Copyright © 2000-2006 Dr. Goodarz Ahmadi. All rights reserved.
Potsdam, New York, 13699