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4,138 results for “SI Engine”
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Research ArticleOpen accessEvery word in the titleEffect of Diesel Engine Converted to Sequential Port Injection Compressed Natural Gas Engine on the Cylinder Pressure vs Crank Angle in Variation Engine SpeedsSemin, Abdul Rahim Ismail, Rosli Abu BakarThe diesel engine converted to compressed natural gas (CNG) engine effect is lower in performance. Problem statement: The hypothesis is that the lower performance of CNG engine is caused by the effect of lower in engine cylinder pressure. Are the CNG engine is lower cylinder pressure than diesel engine? This research is conducted to investigate the cylinder pressure of CNG … …American Journal of Engineering and Applied Sciences, Vol. 2, Issue 1 · 31 Mar 2009 · 8,250 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleA Technical Review of Compressed Natural Gas as an Alternative Fuel for Internal Combustion EnginesSemin, Rosli Abu BakarNatural gas is promising alternative fuel to meet strict engine emission regulations in many countries. Compressed natural gas (CNG) has long been used in stationary engines, but the application of CNG as a transport engines fuel has been considerably advanced over the last decade by the development of lightweight high-pressure storage cylinders. Engine conversion technology is well established and suitable … …American Journal of Engineering and Applied Sciences, Vol. 1, Issue 4 · 31 Dec 2008 · 17,475 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleHeat Transfer Investigation of Intake Port Engine Based on Steady-State and Transient SimulationSemin, Abdul Rahim Ismail, Rosli Abu Bakar, Ismail AliThis research is presents the gas flow heat transfer investigation in the intake port of four stroke direct injection compression ignition engine using GT-Suite software for steady-state and transient simulation. To investigate and simulate the intake port gas flow heat transfer profile of compression ignition engine is using GT-Power engine model were developed in this research. GT-Power is sub-system menu … …American Journal of Applied Sciences, Vol. 5, Issue 11 · 30 Nov 2008 · 6,930 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleFlow Simulation in Engine Cylinder with Spring MeshM.H. Shojaeefard, A.R. NoorpoorThis investigation presents results from numerical simulation of the air flow in Spark Ignition Engine (SI engine) cylinder. Accurate modeling of the flow in cylinder is a key part of successful combustion simulation. The most usual numerical method in Computational Fluid Dynamics (CFD) is finite volume. In this investigation an important, common fluid flow patterns in CFD simulations, namely, Tumble … …American Journal of Applied Sciences, Vol. 5, Issue 10 · 31 Oct 2008 · 7,065 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAn Investigation of Valve Lift Effect on Air Flow and Coefficient of Discharge of Four Stroke Engines Based on ExperimentAbdul Rahim Ismail, Rosli Abu Bakar, SeminThe coefficient of discharge (CD) is defined as the ratio of actual discharge to ideal discharge. In an engine environment, ideal discharge considers an ideal gas and the process to be free from friction, surface tension, etc. Coefficients of discharge are widely used to monitor the flow efficiency through various engine components and are quite useful in improving the performance … …American Journal of Applied Sciences, Vol. 5, Issue 8 · 31 Aug 2008 · 7,434 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleInvestigation of Diesel Engine Performance Based on SimulationSemin, Rosli Abu Bakar, Abdul Rahim IsmailThe single cylinder modeling and simulation for four-stroke direct-injection diesel engine requires the use of advanced analysis and development tools to carry out of performance the diesel engine model. The simulation and computational development of modeling for the research use the commercial of GT-SUITE 6.2 software. In this research, the one dimensional modeling of single cylinder for four-stroke direct-injection diesel … …American Journal of Applied Sciences, Vol. 5, Issue 6 · 30 Jun 2008 · 7,281 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleComparative Performance of Direct Injection Diesel Engines Fueled Using Compressed Natural Gas and Diesel Fuel Based on GT-POWER SimulationSemin, Abdul R. Ismail, Rosli A. BakarThe paper is investigated the application of compressed natural gas (CNG) as an alternative fuel and its performance effect in the diesel engines using GT-POWER computational simulation. The CNG as an alternative fuel for four stroke diesel engine modeling was developed from the real diesel engine using GT-POWER computational model with measure all of engine components size. The computational model … …American Journal of Applied Sciences, Vol. 5, Issue 5 · 31 May 2008 · 7,314 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleComputational Visualization and Simulation of Diesel Engines Valve Lift Performance Using CFDSemin, Rosli Abu Bakar, Abdul Rahim IsmailThe paper visualized and simulated the intake and exhaust valve lift in the single-cylinder four-stroke direct injection diesel engine. The visualization and simulation computational development were using the commercial Computational Fluid Dynamics of STAR-CD 3.15A software and GT-SUITE 6.2 software. The one dimensional of valve lift modeling was developed using GT-POWER software and the visualization the model using STAR-CD. The … …American Journal of Applied Sciences, Vol. 5, Issue 5 · 31 May 2008 · 6,939 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEnvironmental Pollution Assessment of Different Diesel Injector Location Of Direct-Injection Diesel Engines: Theoretical StudyEyad S. M. Abu-Nameh, Jehad A. A. YaminAn Analytical investigation on the effect of injector location of a four-stroke DI diesel engine on its pollutants’ emissions was carried out under different injector locations ranging from central to peripheral at different engine speeds ranging from 1000 rpm to 3000 rpm. The simulation results clearly indicated the advantages and disadvantages of the central location over the peripheral one. It … …American Journal of Environmental Sciences, Vol. 4, Issue 2 · 30 Apr 2008 · 6,471 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleFuel Injection Pressure Effect on Performance of Direct Injection Diesel Engines Based on ExperimentRosli Abu Bakar, Semin, Abdul Rahim IsmailFuel injection pressures in diesel engine plays an important role for engine performance obtaining treatment of combustion. The present diesel engines such as fuel direct injection, the pressures can be increased about 100 -200 Mpa bar in fuel pump injection system. The experimental investigated effects of fuel injection pressure on engine performance. Experiments have been performed on a diesel engine … …American Journal of Applied Sciences, Vol. 5, Issue 3 · 31 Mar 2008 · 8,887 accessesView PDFCite