 MODELLING AND SIMULATION OF THE COMBUSTION OF BIODERIVED FUELS IN A PT6A-27 TURBOPROP ENGINE

The motivation for venturing in alternative jet fuels has partly been due to the elevated level and volatility of price Jet A environmental impacts on global climate change air quality. model annular combustor PT6A-27 engine was created using SOLIDWORKS exported ANSYS DESIGN MODELER. Creation computational mesh geometry MESHING done preparation setting up CFD simulation FLUENT. included, material properties boundary conditions a non-premixed combustion problem. Initiating calculation with residual plotting, calculating solution pressure-based solver visually examining flow temperature fields post-processing FLUENT Standard k-ε 2 equation turbulence used. fuel blend from range 30% bioethanol 70% biodiesel (BE30-BD70) (BE70-BD30) indicated characteristic consistency that obtained Jet-A1. Further, comparisons blends terms performance single biofuel best combination 40% 60% (BE40-BD60) whose adiabatic flame about 2260 Kelvins. observed have reduced Fuel NOx footprint production rate values Thermal were Whereas pure JetA-1 hydrocarbon had ranging . This indicative reduction when two groups (Jet-A against 40BE & 60BD blend) compared. These results showed emissions is achievable reaction as substitute turboprop engine. KEY WORDS—PT6A-27, nonpremixed Combustion, NOx, Turbulence