Jet Combustion CFD Simulation by ANSYS Fluent

$210.00 Student Discount

  • The problem numerically simulates the Combustion Jet inside a chamber using ANSYS Fluent software.
  • We design the 2-D model by the Design Modeler software.
  • We Mesh the model by ANSYS Meshing software.
  • The mesh type is Structured, and the element number equals 9,928.
  • We use the Species Transport model to define the combustion process.

Special Offers For Single Product

If you need the Geometry designing and Mesh generation training video for one product, you can choose this option.
If you need expert consultation through the training video, this option gives you 1-hour technical support.
The journal file in ANSYS Fluent is used to record and automate simulations for repeatability and batch processing.
editable geometry and mesh allows users to create and modify geometry and mesh to define the computational domain for simulations.
The case and data files in ANSYS Fluent store the simulation setup and results, respectively, for analysis and post-processing.
Geometry, Mesh, and CFD Simulation methodologygy explanation, result analysis and conclusion
The MR CFD certification can be a valuable addition to a student resume, and passing the interactive test can demonstrate a strong understanding of CFD simulation principles and techniques related to this product.


Combustion Jet CFD Simulation, ANSYS Fluent Training


This tutorial has a cylindrical domain in which air enters at a 1m/s velocity. At the same time, ethylene(C2H4) by three jets and a high velocity of 40m/s penetrates the solution domain, mixes with the air, and combustion occurs using the eddy-dissipation model. Top and bottom inlets enter with a 30o degree related to the horizontal line, and their flows hit the middle inlet.

The geometry of the solution is a 2D rectangular domain whose length in the X and Y directions is 1.5m and 0.5m, respectively. Side inlets are 234mm away from the centerline of the geometry. Note that, Design Modeler software is used to create the geometry of the solution. In addition, ANSYS Meshing software is used for generating 9,928 Structured mesh grids.

This CFD project is the 13th episode of the ANSYS Fluent General Training Course

Methodology: Combustion Jet CFD Simulation

The simulation is Steady and the Pressure-based solver type is used due to the incompressibility of the working fluid. The gravitational acceleration effects are neglected. The Volumetric Reaction of the Species Transport model is used to define combustion.


At the end of the solution process, two-dimensional contours of pressure, velocity, temperature, and volume fractions of all materials consisted in the solution are achieved. Mass fractions of pollutants are also obtained. The side inlets’ ethylene flow moves to the domain’s centerline.

It hits the center flow so that the mixture of O2 from the air inlet mixes with the ethylene. The combustion occurs and the temperature reaches a high value. The Mass-Weighted Average of Static Temperature at the outlet surface is 1113.0554.


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