Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Application of a Spark Ignition Engine Simulation Tool for Alternative Fuels J. Eng. Gas Turbines Power. 2008;130(1):012804-012804-6. doi:10.1115/1.2747264 Figure Legend: Experimental and simulation results in NOx emissions, as a function of Φ for methane/NG and biogas fuels at 2350rpm, WOT, and MBT spark timing

Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Application of a Spark Ignition Engine Simulation Tool for Alternative Fuels J. Eng. Gas Turbines Power. 2008;130(1):012804-012804-6. doi:10.1115/1.2747264 Figure Legend: Experimental and simulation results in CO emissions, as a function of Φ for methane/NG and biogas fuels at 2350rpm, WOT, and MBT spark timing

Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Application of a Spark Ignition Engine Simulation Tool for Alternative Fuels J. Eng. Gas Turbines Power. 2008;130(1):012804-012804-6. doi:10.1115/1.2747264 Figure Legend: Comparison of simulation results with experiment for engine brake torque (at 1500rpm, MBT and WOT and at a CR of 8:1) for different fuels

Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Application of a Spark Ignition Engine Simulation Tool for Alternative Fuels J. Eng. Gas Turbines Power. 2008;130(1):012804-012804-6. doi:10.1115/1.2747264 Figure Legend: Exhaust CO2, CO, and O2 emissions for “Powergas” as a function of equivalence ratio (at 1500rpm, MBT, and WOT and at a CR of 8:1)

Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Application of a Spark Ignition Engine Simulation Tool for Alternative Fuels J. Eng. Gas Turbines Power. 2008;130(1):012804-012804-6. doi:10.1115/1.2747264 Figure Legend: Exhaust NOx emissions as a function equivalence ratio (at 1500rpm, MBT, and WOT and at a CR of 8:1)

Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Application of a Spark Ignition Engine Simulation Tool for Alternative Fuels J. Eng. Gas Turbines Power. 2008;130(1):012804-012804-6. doi:10.1115/1.2747264 Figure Legend: Results from 5-burned zones model showing: burned gas temperatures (Tb), and kinetic NOx and equilibrium (NOe) nitric oxide concentrations as a function of crank angle for the first and fifth zones at Φ=0.79; Fuel: “Powergas”

Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Application of a Spark Ignition Engine Simulation Tool for Alternative Fuels J. Eng. Gas Turbines Power. 2008;130(1):012804-012804-6. doi:10.1115/1.2747264 Figure Legend: Results from 5-burned zones model showing: burned gas temperatures (Tb), and kinetic NOx and equilibrium (NOe) nitric oxide concentrations as a function of crank angle for the first and fifth zones at Φ=0.99; Fuel: “Powergas”

Date of download: 11/12/2016 Copyright © ASME. All rights reserved. From: Application of a Spark Ignition Engine Simulation Tool for Alternative Fuels J. Eng. Gas Turbines Power. 2008;130(1):012804-012804-6. doi:10.1115/1.2747264 Figure Legend: Results from 5-burned zones model showing: Tb, and kinetic and equilibrium (NOe) nitric oxides concentrations as a function of CA for the first and fifth zones (fuel: natural gas at Φ=1.0)