Week 10 - Simulating Combustion of Natural Gas.

Aim - Perform a combustion simulation on the combustor model and plot the variation of the mass fraction of the different species’ in the simulation using line probes at different locations of the combustor. Need to plot for CO2, H2O, CH4, N2, O2, NOx emissions & Soot formation.

Introduction –

Procedure –

Geometry –

Load geometry in space claim.

Mesh –

Setup

Solver Type - Pressure based

velocity formation – Absolute

Time – Case1 - Steady

Case2 – Transient

Model – Laminar

Material – User defined

Density – 1 kg/m^3 Viscosity - 0.02 kg/m-s

Boundary Condition -

Inlet velocity – 1 m/s

Outlet – Type – Pressure outlet

Wall – No slip

Definition –Velocity Plot, Coefficient of drag and lift plot .

Initialization – Hybrid

Outputs –

Ch4 0.000646782

h20 0.051623605

n2 0.00015869797

nox 0.00081240261

o2 0.88473101

co20 0.062592654

soot 0.021153112

Case 2

water content in the fuel 10%

water content in the fuel 20%

water content in the fuel 30%