Simulating Processes in Combustion Chambers of Boilers

Simulating processes in combustion chambers is a critical point at the design stage, modernization, as well as in boiler unit operation. Computational simulation helps to estimate and improve boiler performance and fuel burn-up efficiency, lower polluting emissions, forecast slagging areas, etc. Using ANSYS Fluent software along with ANSYS ICEM CFD mesh generator and Design Modeler geometry tool helps to perform numerical analysis of a boiler with complex geometry, taking into account complex physical processes inside.

Simulating Processes in Combustion Chambers of Boilers

Simulation Object

Simulating processes in combustion chambers is a critical point at the design stage, modernization, as well as in boiler unit operation. Computational simulation helps to estimate and improve boiler performance and fuel burn-up efficiency, lower polluting emissions, forecast slagging areas, etc. Using ANSYS Fluent software along with ANSYS ICEM CFD mesh generator and Design Modeler geometry tool helps to perform numerical analysis of a boiler with complex geometry, taking into account complex physical processes inside.

Solution and Results

Using client’s designs, a finite element model of a boiler is created in ANSYS Design Modeler. Then 3D simulation of processes in the furnace volume, including fluid dynamic and thermal processes, is performed in ANSYS Fluent. Results may include the following information:

  • velocity field and particle paths;
  • temperature fields;
  • concentration of oxygen and other chemical species;
  • heat flows on combustion chamber screens;
  • nitrogen oxide formation;
  • carbon loss and incomplete combustion;
  • etc.
Simulating Processes in Combustion Chambers of Boilers
Combustion chamber streamlines

Customer Benefit

ANSYS simulation software allows to perform a series of computational analysis with variables within optimization or sensitivity analysis. This approach allows to estimate the alteration of boiler performance characteristics when using fuels of different quality and determine the most efficient operating conditions. Performing similar series of full-scale experiments will take more time and money.

 

 


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