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116 results for “R.A. Bakar”
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Research ArticleOpen accessIn the author namesComparative 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 author namesComputational 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 author namesHow Prepared are Trainee Teachers of University Putra Malaysia (UPM) to Integrate Computer Technology in Classroom Teaching?Shamsiah Mohamed, Ab. Rahim BakarThis research is a presentation of a study on trainee teachers' preparedness to integrate computer technology in teaching. One-hundred and thirty-nine trainee teachers participated in the study. They comprised 12.2% male students and 87.8% female. They majored in agricultural science, home-science, language, economics or accounting and science and mathematics. Their academic achievements were between 2.00 and 3.74 (Mean = 2.91, … …Journal of Social Sciences, Vol. 4, Issue 1 · 31 Mar 2008 · 7,803 accessesView PDFCite
Research ArticleOpen accessIn the author namesFuel 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
Research ArticleOpen accessIn the author namesComputational Simulation of Fuel Nozzle Multi Holes Geometries Effect on Direct Injection Diesel Engine Performance Using GT-POWERRosli Abu Bakar, Semin, Abdul Rahim Ismail, Ismail AliThe computational model simulation development is use the commercial computational fluid dynamics of GT-POWER 6.2 software were specially development for internal combustion engines performance simulation. The research concentrated on one dimensional model and focuses on fuel nozzles multi holes geometries variation developed from all of the engine components size measurement of the original selected diesel engine. All of the measurements … …American Journal of Applied Sciences, Vol. 5, Issue 2 · 28 Feb 2008 · 8,964 accessesView PDFCite
Research ArticleOpen accessIn the author namesAssessing Employability Skills of Technical-Vocational Students in MalaysiaAb. Rahim Bakar, Ivan HanafiTechnical-Vocational Education and Training (TVE) system plays important role in providing highly skilled workforce to fulfill the needs of industries. An empirical research of TVE system is necessary to identify effective TVE system to successfully equip students with technical skills that would enable them to fulfill the current work demands and professional expectations. The objective of this paper is to … …Journal of Social Sciences, Vol. 3, Issue 4 · 31 Dec 2007 · 8,960 accessesView PDFCite
Research ArticleOpen accessIn the author namesThe Fate of Non-Volatile Organic Chemicals in The Agricultural EnvironmentMohammad A. Batiha, Abdul Amir H. Kadhum, Zahedi Fisal et al.Multimedia dynamic model of the fate of non-volatile organic chemicals (NVOC) in the agricultural environment is described. The modeled environment, consisting of up to three major surfaces environmental compartments, includes air, agricultural soil, and surface water. This model is based on the aquivalence approach suggested by Mackay and co-workers in 1989. As the movement of chemicals in the environment is … …American Journal of Applied Sciences, Vol. 4, Issue 7 · 31 Jul 2007 · 7,046 accessesView PDFCite
Research ArticleOpen accessIn the author namesCharacteristic Curve of a Fuel CellMuzamir Isa, Baharuddin Ismail, Che Mat Hadzer et al.The aim of this study was to deliver information about the features of fuel cells. It cover analysis of theory and experiment done using a set of tool called Hydro Genius Teach. The experiment is about investigating the characteristic curve of a fuel cell from the processes of renewable energy. Others objectives of this study were to analyze current usage … …American Journal of Applied Sciences, Vol. 3, Issue 12 · 31 Dec 2006 · 7,835 accessesView PDFCite
Research ArticleOpen accessIn the author namesFurther Improvements in Temperature Calculation During Cooling of Fish PackagesF. A. Ansari, K. A. Abbas, J. Bakar et al.In an earlier study, it was demonstrated that the empirical approach used to calculate the surface film conductance resulted into a higher value compared to those obtained from the other methods available in the literature. During further investigations, surface film conductance values were found to gradually decrease with a fall in temperature. When this non-linear variation was used to develop … …American Journal of Applied Sciences, Vol. 1, Issue 2 · 30 Jun 2004 · 6,854 accessesView PDFCite
Research ArticleOpen accessIn the author namesA Mixed Integer Linear Programming for Optimising the Residential Solar Energy Storage SystemTeube Cyrille Mbainaissem, Dethie Dione, Bakary Kone, Youssoupha ToureThe global electricity sector is facing a major transition to sustainable energy sources, with consumers playing a crucial role in realising the full potential of the international energy market. Residential energy storage systems are a priority to promote local flexibility and participation in the energy transition. The combination of solar energy generators and storage batteries is a key method of … …Journal of Mathematics and Statistics, Vol. 22, Issue 1 · 16 Jul 2026 · 1,204 accessesView PDFCite