Week 12- Major Project (CFD Analysis on Combustion in a SCRAMJET engine)

Week 12- Major Project (CFD Analysis on Combustion in a SCRAMJET engine)

In this challenge, i am going to calculate how the fuel injector is working on a SCRAMJET engine.

This is the schematic diagram of the scramjet engine which we are going to deal today.

We made the geometry according to the dimensions on Spaceclaim.

Meshing

to get a refined mesh, we reduced the mesh size to about 1mm, thus giving around 15000 cells.

Named Selections

Case Setup

While doing literature review for this project, the two most commonly used models were: k-omega SST and k-epsilon. In the end, the model chosed was k-omega SST due to its flexibility in capturing boundary layers for any y+/velocity. [1]

Adding Hydrogen as a new material

Boundary conditions

Air-Inlet

Fuel Inlet

Results

Converged Residuals

Mass Flow rate

Mass flow rate for fuel inlet

Contour showing Temperature variations

Pressure Contour

Velocity Contour

Thank You