Now showing items 85-104 of 125

    • Optimisation of machining parameters by criterion of maximum productivity 

      Usubamatov, Ryspek, Prof. Dr.; Azmi, Harun; Asmawi, Sanuddin (Taylor & Francis, 2014-05)
      The optimisation of machining parameters for machine tools using the criterion of maximum productivity rate is not a new problem - many unresolved issues remain. The intensification of machining processes leads to changes ...
    • Optimization of machine tools by using the maximum productivity rate 

      A. M., Ahmed Alwaise; Usubamatov, Ryspek, Prof. Dr.; Saifulddin, Abdul Manan, Dr.; Bhuvenesh, Rajamony, Assoc. Prof. Dr. (INSInet Publication, 2011)
      Calculation of the productivity rate and optimization of the operating modes for automatic machine tools today is complex, and in many cases, an unresolved problem. Most equations for calculating the optimal machining ...
    • Optimization of multi-tool machining process 

      Ahmed Alwaise, A. M.; Usubamatov, Ryspek, Prof. Dr.; M Zulkeffeli, Zain (International Network for Scientific Information Publication (INSI), 2011-09)
      Optimization of the machining modes for machine tools by criterion of the maximum productivity rate is complex and in many cases an unresolved problem. Increasing of machining modes leads to change the productivity rate. ...
    • Optimization of sintering temperature on microwave sintering of the composite iron-chromium reinforced with alumina particles 

      Wan Abdul Rahman Assyahid, Wan Ibrahim; Shamsul Baharin, Jamaludin, Prof. Dr.; Mazlee, Mohd Noor, Dr. (Trans Tech Publications, 2014-01)
      Microwave sintering technology has become attractive and gained interest among material researchers due its capability and advantages over conventional sintering. Since two decades ago, intensive researches on microwave ...
    • Optimization of the plastic injection molding parameters for sport equipment by using design of experiment 

      Radhwan, Hussin; Rozaimi, Mohd. Saad; Razaidi, Hussin; Mohd. Hafiezal, Mohd Radzi; Ahmad Fairuz, Mansor (Praise Worthy Prize S.r.l., 2013-03)
      This Paper, research about the defect on plastic product in injection molding process. During producing a product using injection molding process, various of defects such as warpage, weld lines, shrinkage and sink mark can ...
    • Optimization on parameter settings in determining warpage factors of a side-gated thin shallow part injection molding for PP, ABS & PC+ABS materials 

      Norshah Afizi, Shuaib; Muhamad Nasir, Murad; Mohd. Fathullah, Ghazli @ Ghazali; Shayfull Zamree, Abd Rahim; Muhammad Syahril, Bahari (Praise Worthy Prize S.r.l., 2012-05)
      The injection molding process of thin shallow part requires several concerns in order to produce a quality output. In part of determining the best parameter settings, among other considerations that need to be taken are ...
    • Orthogonal least squares method and its application to nonlinear modeling of automotive engine fuelled with palm oil methyl esters 

      Azuwir, Mohd Nor; Mohd Zaki, Ab. Muin, Prof. Dr.; Abdul Hamid, Adom, Prof. Dr. (Praise Worthy Prize S.r.l., 2013)
      In this paper, nonlinear mathematical models for an automotive engine fuelled with palm biodiesel (Palm Oil Methyl Ester) are developed. Assuming a discrete time form for the system model, a polynomial Nonlinear Autoregressive ...
    • Performance evaluation of m3 bottleneck based heuristic for M1M2M3 flow shop 

      Mohd Fidzwan, Md Amin Hamzas; Ahmad Bareduan, Salleh; Mohd Sabri, Hussin; M. J., Hasnul; Asmawi, Sanuddin; Zailani, Zainal Abidin (Praise Worthy Prize S.r.l., 2012-09)
      This project investigates the possibility of developing scheduling heuristic using bottleneck approach for a three machine flow shop scheduling with the tendency of dominant machine at the first process. Due to the re-entrant ...
    • Performance study of WEDMed on inconel 718 by using response surface methodology 

      Ahmad Fairuz, Mansor; Mohd. Hafiezal, Mohd Radzi; Radhwan, Hussin; Siti Aishah, Adam; Muhammad Aiman, Ahmad Fozi (Praise Worthy Prize S.r.l., 2013)
      The demand of high accuracy aerospace parts become important which is reflected by the machining process performances. Inconel 718 is a well-known superalloy in aerospace industries especially in turbine fabrication. The ...
    • Porous glass composite as diesel particulate filter and the microwave regeneration 

      Chang Chuan, Lee; Noboru, Yoshikawa; Shoji, Taniguchi (Trans Tech Publications Inc., 2014-06)
      In this study, porous SiO2·RO/stainless steel composite body was prepared through the polyurethane sponge replica method. Porous samples obtained through sintering consist of well dispersed and distributed stainless steel ...
    • Preliminary study on cutting solid object using water at pressure exceeding 1000 MPa 

      Ahmad Humaizi, Hilmi; Mohd Nor Azman; Ariffin, Ismail, Lt Col Assoc. Prof .; Mohammed Alias, Yusof, Prof. Madya Ir.; Ahmad Mujahid, Ahmad Zaidi, Dr.; Shohaimi, Abdullah, Brig. Jen. Prof. Madya Dr. (Trans Tech Publications, 2012)
      To date, the highest pump pressure available in market is 648 MPa from FLOW International Corp. Cutting with ultra high pressure reduces abrasive usage, faster cutting speed, increased depth of cuts and increase efficiency. ...
    • Productivity and optimization of section-based automated lines of parallel-serial structure with embedded buffers 

      Usubamatov, Ryspek, Prof. Dr.; A. M., Ahmed Alwaise; Zuraidah, Mohd Zain, Prof. Dr. (Springer-Verlag London Limited, 2013-03)
      Automated production lines of a parallel-serial structure are most productive in the manufacturing area. Designers of automated lines segment into sections with several stations place buffers between the series of sections ...
    • Real-time control of automotive engine fuelled with Malaysian palm oil biodiesel 

      Azuwir, Mohd Nor; Mohd Zaki, Abdulmuin, Prof. Dr.; Abdul Hamid, Adom, Prof. Dr. (Praise Worthy Prize S.r.l., 2012)
      With the rapid decline in energy resources, the increasing environmental concerns, and the high demand of energy consumption, many countries have been looking for alternative energy to substitute fossil fuel. One of the ...
    • The reduction of noxious emissions using urea based on Selective Non-Catalytic Reduction in small scale bio fuel combustion system 

      Mohamad Shaiful Ashrul, Ishak; Mohammad Nazri, Mohd. Jaafar (Canadian Center of Science and Education, 2011-04-02)
      Selective Non-Catalytic Reduction (SNCR) of oxides of nitrogen (NOx) was studied experimentally by injecting different concentrations of aqueous urea solution in a pilot-scale Bio-fuel fired tunnel furnace at 3-4 % ...
    • Relationship between engine oil viscosity with age and temperature 

      Nordin, Jamaludin; Othman, Inayatullah; Mohd Jailani, Mohd. Nor; Fauziah, Mat (Universiti Kebangsaan Malaysia (UKM), 2011-05)
      Single grade engine oil viscosity experience changes influenced by temperature and pressure. In reality however, the viscosity of the engine oil is also affected by age. A relationship between oil's viscosity with temperature ...
    • Removal of NOx and CO from a Burner system 

      Jaafar, M. N. M.; Mohamad Shaiful Ashrul, Ishak; Saharin, C. (American Chemical Society, 2010-04-15)
      This paper presents the development of an emissions-controlling technique for oil burners aimed especially to reduce oxides of nitrogen (NOx). Another emission of interest is carbon monoxide (CO). In this research, a ...
    • A review on major business excellence frameworks. 

      Dodangeh, J.; Rosnah, M.Y.; Ismail, N.; Md.Ismail, Y.; Biekzadeh, M.R.; Jassbi, J. (Social Science Research Network, 2012)
      In increasingly competitive business environments, business excellence models play crucial roles in organizational successes. Numerous organizations implement business excellence models to obtain business excellence. To ...
    • Review on non uniform rational B-spline (NURBS): concept and optimization 

      Munira, Mohd Ali; Nur Najmiyah, Jaafar; Fazilah, Abdul Aziz; Nooraizedfiza, Zainon (Trans Tech Publications, 2014-02)
      This paper is to provide literature review of the Non Uniform Rational B-Splines (NURBS) formulation in the curve and surface constructions. NURBS curves and surfaces have a wide application in Computer Aided Geometry ...
    • Root causes analysis of disbonds and unidentifiable ultrasonic indications on composite materials 

      Muhammad Iqbal, Muhammad Hussain, Dr.; Zuraidah Mohd Zain, Prof. Dr.; Tee, Lei Kee (Trans Tech Publications, 2014)
      To ensure the structural integrity of composite materials, honeycomb sandwich panels must be inspected for defects with through-transmission ultrasonic testing. This study focused on the root causes analysis of disbonds ...
    • RULA and REBA assessments in computer laboratories 

      Mohd Fathullah, Ghazli@Ghazali; Mokhtar, Mat Salleh; N. Zainon; S. Zakaria; Mohd. Asyraf, Che Doi (Universiti Malaysia Perlis (UniMAP), 2009-12-01)
      Sitting static while doing office tasks or typing tasks on personal computers is frequently found to be awkward. People, especially students do not aware of the importance of sitting with correct postures while doing their ...