Modelling and Simulation of Some Combustion Parameters Intport-1 and Intvalve-1 using Gt-Power Engine Simulation Software with Biodiesel-Ethanol-Diesel Blends as Fuel IJTSRD
Biodiesel-Ethanol-Diesel blends are believed to be able to improve the combustion characteristics since biodiesel, ethanol, and diesel have different fuel characteristics. A model was developed using GT-POWER, an engine cycle simulation for a biodiesel-ethanol-diesel BED fueled direct injection compression ignition engine corresponding to a 4.5 liter, TecQuipment TD115 MK-II single-cylinder diesel engine was used. At selected operating conditions, Intport-1 and Intvalve-1combustion parameters of the engine at constant load of 1000 g at various speeds of 1760 rpm, 1840 rpm, 1920 rpm, 2000 rpm and 2080 rpm were investigated. Results of the static pressure in Intport-1 for BED30 were compared with those obtained with the diesel and found to have the same trends for all the speed conditions, there was a significant pressure drop to less than 2.40 bar within the compression region and rises up above 2.40 bar before the power stroke region. The power and exhaust regions maintained the same trends of pressure fluctuations for both the diesel and BED30. Results of mass flow rate for the same Intport-1 show a steady increase of the maximum mass flow rate with speed, showing the lowest value of 0.18 kg s for BED30 and 0.17 kg s for diesel at 1760 rpm. The results of the average sub volume velocity centroid and diesel in Intport-1 for all speeds followed the same trend with the mass flow rate, but with smoother path at power and exhaust strokes. At the intake region the movement of the charges rise up for all the speed conditions, and reached a peak value of 56.8 m s at 1760 rpm, 59.1 m s at 1840 rpm, 62.7 m s at 1920 rpm, 64.0 m s at 2000 rpm and 71.1 m s at 2080 rpm. The Mass flow rate at the intvalve-1 results showed that at all the speed conditions, the maximum value of lift was at 2600 BDC. Simulated pressure diagram and heat release curves for all speed conditions obtained with BED30 showed good agreement with the results obtained with diesel.
by I. Yahuza | H. Dandakouta | M. H. Ibrahim | D. Y. Dasin “Modelling and Simulation of Some Combustion Parameters (Intport-1 and Intvalve-1) using Gt-Power Engine Simulation Software with Biodiesel-Ethanol-Diesel Blends as Fuel”
Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-1 , December 2018,
Modelling and Simulation of Some Combustion Parameters Intport-1 and Intvalve-1 using Gt-Power Engine Simulation Software with Biodiesel-Ethanol-Diesel Blends as Fuel IJTSRD IEEE PAPER
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