Design and analysis of Combustion nozzle with Multiphysics study using ANSYS

The Project was undertaken as my Multiphysics study capability which aimed at studying the fluid structure interaction of the combustion nozzle. The results obtained were the interaction between fluid flow and the nozzle structure in real time.

Detailed design

Figure: Mechanical setup for Nozzle

Figure: ANSYS Fluent Mesh

Multiphysics Setup

Multiphysics solution

Figure: Multiphysics Solution running in real time with data transfer

Results

Fluid flow

The fluid flow results are represented using particle tracking method. The fluid shown in the renders are the chemical reaction based outputs of CH4 , H2, O2. The reaction inputs given in to the system by creating the CHEM KIN reaction file and the energy change during flow are all based on the reaction input.

Figure: Pressure render of the fluid flow in the nozzle using particle tracing

Figure: Velocity render of the fluid flow in the nozzle using particle tracing

Figure: Temperature of the fluid flow in the nozzle using particle tracing

Figure: Eddy Viscosity of the fluid flow in the nozzle using particle tracing

Figure: Turbulence of the fluid flow in the nozzle using particle tracing

Figure: Density of the fluid regions in the nozzle using particle tracing

Structures results

The nozzle stucture was studied with the use of fluid structure interaction. The boundary conditions for the nozzle given by the fluid flow.

Figure: Total deformation of the nozzle structure

Figure: Max principal stress of the nozzle structure

Figure: Equivalent elastic strain of the nozzle structure

Figure: Von misses stress of the nozzle structure

Figure: Directional deformation (X axis) of the nozzle structure

Figure: Directional deformation (Y axis) of the nozzle structure

Figure: Directional deformation (Z axis) of the nozzle structure

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