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87 articles for “Stroke”
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Research ArticleOpen accessIn the abstractNumerical Study on the Performance Characteristics of Hydrogen Fueled Port Injection Internal Combustion EngineRosli A. Bakar, Mohammed K. Mohammed, M. M. RahmanThis study was focused on the engine performance of single cylinder hydrogen fueled port injection internal combustion engine. GT-Power was utilized to develop the model for port injection engine. One dimensional gas dynamics was represented the flow and heat transfer in the components of the engine model. The governing equations were introduced first, followed by the performance parameters and model … …American Journal of Engineering and Applied Sciences, Vol. 2, Issue 2 · 30 Jun 2009 · 8,147 accessesView PDFCite
Research ArticleOpen accessIn the abstractAssessment of Surface Treatment on Fatigue Life of Cylinder Block for Linear Engine using Frequency Response ApproachM. M. Rahman, A. K. Ariffin, S. Abdullah et al.Objectives: This study was focused on the finite element techniques to investigate the effect of surface treatment on the fatigue life of the vibrating cylinder block for new two-stroke free piston engine using random loading conditions. Motivation: An understanding of the effects related to the random loading is necessary to improve the ability of designers to accurately predict the fatigue … …American Journal of Applied Sciences, Vol. 6, Issue 4 · 30 Apr 2009 · 8,142 accessesView PDFCite
Research ArticleOpen accessIn the abstractIdentification of Major Cultivable Aerobic Bacteria in the Oral Cavity of Malaysian SubjectsKoshy Philip, Wuen Yew Teoh, Sekaran Muniandy, Hashim YaakobCulture dependent and culture independent methods have shown that about 600 species of bacteria inhabit the human oral cavity. While some oral microorganisms have a direct link to dental caries, periodontal disease and halitosis, opportunistic pathogens may be responsible for systemic diseases such as bacterial endocarditis, aspiration pneumonia, osteomyelitis in children, preterm low birth weight, coronary heart disease and cerebral … …American Journal of Biochemistry and Biotechnology, Vol. 4, Issue 4 · 31 Dec 2008 · 7,992 accessesView PDFCite
Research ArticleOpen accessIn the abstractHeat 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 accessIn the abstractAbdominal and Thoracic Aortic Aneurysm ModelingMona Abdolrazaghi, Mehdi NavidBakhsh, Kamran HassaniModeling is a beneficial tool for understanding cardiovascular system functioning and pathophysiology of the system. The present study is concerned with left ventricle Pressure-Volume diagrams obtained by modeling of aortic aneurysms using the cardiovascular electronic system. In addition, these graphs were compared with a normal condition. The electrical circuit of the cardiovascular system consists of 42 segments including the main … …American Journal of Applied Sciences, Vol. 5, Issue 8 · 31 Aug 2008 · 6,611 accessesView PDFCite
Research ArticleOpen accessIn the abstractLipid Profile of Gymnasts of the Jordan National TeamAhmad Bani Ata, Kamal Mansi, Talal AburjaiThis study was carried out to assess the lipid pattern in gymnasts of the Jordan National Team. Twelve athletes represent the National gymnastic team (4 males and 8 females, mean age 18±1 year) were included in this study. The training period for them is not less eight years during which they trained 18 hours weekly at least. A group of … …American Journal of Applied Sciences, Vol. 5, Issue 6 · 30 Jun 2008 · 7,536 accessesView PDFCite
Research ArticleOpen accessIn the abstractComparative 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 accessIn the abstractComputational 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 accessIn the abstractEnvironmental 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 accessIn the abstractFuel 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