Full-suite of models to simulate reacting flows involving gas, particles and surface
Combustion is a reacting flow where the constituents of a multi-component fluid react chemically with each other. Reacting flows are seen in a wide variety of industries and proper understanding of reacting flows is necessary for achieving the correct combustion and flame profile and temperature.

In the aerospace industry, reacting flows are seen everywhere from gas turbines, high-speed jet engines (ramjet,scramjet), afterburners and rocket engines (solid, liquid and hybrid).

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 instsabilities 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

Thickness Flame Model (TFM)

Primarily useful for Large Eddy Simulation (LES) combustion

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.

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