STAR-CCM+ offers an extensive set of efficient reacting flow models for gas-phase, surface and particle chemistry and polymerization
Reacting flows are seen in a wide variety of industries and are characterized by interacting, multi-temporal complex physical processes for heat, mass and momentum transfer.
  • IC Combustion


STAR-CCM+ offers a comprehensive set of reacting flow models to properly simulate combustion in an efficient manner with detailed models for gas-phase, surface and particle chemistry.

STAR-CCM+ has a complete range of models compatible with RANS, DES and LES turbulence models to simulate a number of combustion scenarios such as:

  • Premixed, partially premixed and non-premixed models

  • State of the art coal and biomass combustion

  • Coupling to DARS-CFD for complex chemistry

  • Multiphase, transient instabilities and LES combustion

The types of combustion models available in STAR-CCM+ are:

  • Eddy break-up (EBU) model: Three variations of EBU models are present in STAR-CCM+ - standard, hybrid kinetics and combined time scale
  • Homogeneous Reactor Model: This model includes detailed chemistry descriptions and surface chemistry option for reactive surfaces
  • Coherent Flame Model (CFM): Simulation of premixed flames where fuel and oxidizer are perfectly mixed before entering the computational domain can be achieved by the CFM model
  • Presumed Probability Density Function (PPDF) model: This model uses a presumed probability distribution (PPDF) to represent turbulent fluctuations in the reacting flow using a few parametric variables with support for intert streams
  • Thickness Flame Model (TFM): Primarily useful for Large Eddy Simulation (LES) combustion
  • Flamelet Generated Manifold (FGM) Model
  • Equilibrium Time Scale Model

In addition to the complete coverage of all combustion models, the ease-of-use for streamlined setup of complex reactions and handling of complex, un simplified combustor geometries makes STAR-CCM+ a preferred solution for Combustion applications.

Another recent addition lets you use co-simulation for reacting channels by coupling with DARS-CFD.  With this approach, a 1D model approximation is used for the reacting flows and heat is transferred from the reacting channels to the flow volume.  .  


A new functional capability, implemented using the Method of Moments approach, is added to model polymerization processes.  During polymerization, several different chemical reactions occur.  With this feature, it is possible to model initiation, propagation, chain transfer, chain branching, scission and termination.   It is also possible to model the chain transfer to polymer, to modifier or to solvent independently.  

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