Browsing Researchers by Title

Now showing items 3372-3391 of 3514

    • Ultimate elastic wall stress (UEWS) test of glass fibre reinforced epoxy (GRE) pipe 

      Mohd Shukry, Abdul Majid; Assaleh, T. A.; Gibson, A. G.; Hale, J. M.; A., Fahrer; Rookus, C. A. P.; M., Hekman (Elsevier Ltd., 2011-10)
      This paper presents an experimental investigation of the behaviour of filament wound glass fibre reinforced epoxy (GRE) composite pipe under hydrostatic and biaxial load conditions at temperatures up to 95 °C. The format ...

    • Ultra-violet radiation-cured biofiber composites from kenaf: The effect of montmorillonite on the flexural and impact properties 

      Rozman, H. D.; Rozyanty, Abdul Rahman; Luqman, Musa; G. S. Tay (Taylor & Francis, 2010-04)
      Biofiber composites, cured by ultra-violet (UV) radiation were produced using kenaf fibers as the reinforcing agent and unsaturated polyester as the matrix. This research work focused on the effects of the incorporation ...

    • Ultrasonic determination of fatty acids composition in palm oil 

      Suhardy, Daud; Mustaffa, Nawawi; Farizul Hafiz, Kasim; Saiful Azhar, Saad; Wan Su, Haron (Universiti Sains Malaysia (USM), 2006-05-27)
      Ultrasonic technique has been used in many applications including the food industry, biomedical application and materials evaluation. Ultrasonic propagation parameters, especially velocity has a rich source of information ...

    • Ultrasonic process tomographic imaging sensor: An approach utilising transceivers method 

      Mohd Hafiz, Fazalul Rahiman; Zulkarnay, Zakaria; Ruzairi, Abdul Rahim (Institute of Electrical and Electronics Engineering (IEEE), 2008-05-13)
      Direct analysis of the internal characteristics of process plant has become a widespread need in order to improve the design and operation of the equipment especially in liquid/gas two phase flows. In recent years, the ...

    • Ultrasonic tomography - image reconstruction algorithms 

      Mohd Hafiz, Fazalul Rahiman, Dr; Ruzairi, Abdul Rahim, Prof. Dr.; Herlina, Abdul Rahim, Dr.; Siti Zarina, Mohd Muji; Elmy Johana, Mohamad, Dr (International Journal of Innovative Computing, Information and Control (IJICIC), 2012-01)
      This paper focuses on image reconstruction algorithms for use in ultrasonic tomography. There are three types of algorithms namely Linear Back Projection, Hybrid Reconstruction and Hybrid Binary Reconstruction that are of ...

    • Ultrasonic tomography imaging for liquid-gas flow measurement 

      Muhammad Jaysuman, Pusppanathan; Nor Muzakkir, Nor Ayob; Fazlul Rahman, Mohd Yunus; Khairul Hamimah, Abbas; Herlina, Abdul Rahim, Dr.; Loew,  Pei Ling, Dr.; Ruzairi, Abdul Rahim, Prof. Dr. ; Fatin Aliah, Phang Abdullah, Dr.; Mohd Hafiz, Fazalul Rahiman, Dr.; Zulkarnay, Zakaria (International Frequency Sensor Association (IFSA), 2013)
      This research was carried out to measure two-phase liquid - gas flow regime by using a dual functionality ultrasonic transducer. Comparing to the common separated transmitter-receiver ultrasonic pairs transducer, the dual ...

    • Ultrasonic tomography imaging for two-phase flow 

      Mohd Hafiz, Fazalul Rahiman; Ruzairi, Abdul Rahim; Mohd Hezri, Fazalul Rahiman; Mazidah, Tajjudin (Universiti Malaysia Perlis (UniMAP)Pejabat Timbalan Naib Canselor (Penyelidikan dan Inovasi), 2008-07)
      Real-time process monitoring is important in many areas of industry and scienti c research concerning liquid/gas two-phase ow, and is closely related to accurate measurement and control of hydrodynamic parameters such ...

    • Ultrasonic transducer kit for bacteria growth monitoring system 

      H. N. A. Salwa; Sundaraj, Kenneth, Prof. Madya; Azian Azamimi, Abdullah; Mohamed Zulkali, Mohamed Daud (Institute of Electrical and Elctronics Engineering (IEEE), 2010-05-21)
      In food process industries, sometimes there was food contamination even when it is still in process. Same as other industries when involved with liquid, product contamination which caused by bacteria can affect the quality ...

    • Ultrasound processing circuitry for ultrasonic tomography 

      Nor Muzakkir, Nor Ayob; Mohd Hafiz, Fazalul Rahiman; Sazali, Yaacob; Ruzairi, Abdul Rahim (Universiti Malaysia Perlis, 2009-10-11)
      The development of an ultrasonic transmission tomography system is described. The system is intended for the imaging of two component flows (such as gas/water) inside pipes of industrial processes. Transmission-mode ...

    • Uncertainty modeling in the prediction of effective mechanical properties using stochastic homogenization method with application to porous trabecular bone 

      Khairul Salleh, Basaruddin; Takano, Naoki; Akiyama, Hikaru; Nakano, Takayoshi (The Japan Institute of Metals and Materials, 2013)
      A systematic modeling of uncertainty due to image processing, material characteristics and experimental works was developed in order to propose a novel stochastic image-based multi-scale method for heterogeneous media. The ...

    • Under Bump Metallurgy (UBM)-a technology review for flip chip packaging 

      Mohd Khairuddin Md Arshad; Uda Hashim; Muzamir Isa (Department of Mechanical Engineering, University Malaya, 2007)
      Flip chip packaging technology has been utilized more than 40 years ago and it still experiencing an explosives growth. This growth is driven by the need for high performance, high volume, better reliability, smaller size ...

    • An Undergraduate Micro Fabrication Course at the Northern Malaysia University College of Engineering 

      Uda, Hashim, Prof. Dr.; Zul Azhar, Zahid Jamal, Prof. Dr. (Kolej Universiti Kejuruteraan Utara Malaysia, 2004)
      This paper presents the development of a new course conducted by the School of Microelectronic Engineering at the Northern Malaysia University College of Engineering or Kolej Universiti Kejuruteraan Utara Malaysia (KUKUM) ...

    • Undergraduate project management and the role of industry 

      Kennedy, Robert T.; Ismail, Daut (Universiti Teknologi Malaysia (UTM), 2005-12-13)
      University engineering education and industrial employer's expectations of new graduates are considerably apart if the adverse comments that appear in the press are to be accepted. Advancement in technology results in the ...

    • Understanding the behaviour of pulsed laser dry and wet micromachining processes by multi-phase smoothed particle hydrodynamics (SPH) modelling 

      Noorhafiza, Muhammad, Dr.; Rogers, Benedict, Dr.; Li, Lin (IOP Publishing, 2013-03)
      A smoothed particle hydrodynamics (SPH) numerical model is developed to simulate the three-phase laser micro-machining process for medical coronary stent manufacture. The open-source code SPHysics is used to model the ...

    • Understanding the ideal cooperative characteristic between two humans 

      Shahriman, Abu Bakar, Dr.; Ikeura, Ryojun; Ahmad Faizal, Salleh, Dr.; Yano, Takemi (The International Society for Optical Engineering (SPIE), 2010)
      Observing current lifestyles and human growth performance in these past decades we can make a deduction that human workforce going to be reduced until a serious level. We believed that in critical field such as health ...

    • Understanding the small world: an insight into the application of transmission electron microscopy in characterizing epitaxial layers 

      Zul Azhar, Zahid Jamal, Prof. Dr. (Penerbit Universiti Malaysia PerlisSchool of Microelectronic Engineering, 2010-04)
      Transmission electron microscopy (TEM) is an unrivalled technique for observing, characterizing and analyzing almost any type of materials. In physical science, the first observations of defects (i.e. dislocations) by TEM ...

    • Understanding the small world: an insight into the application of transmission electron microscopy in characterizing epitaxial layers 

      Zul Azhar, Zahid Jamal, Prof. Dr. (Penerbit Universiti Malaysia PerlisSchool of Microelectronic Engineering, 2010-04)
      Transmission electron microscopy (TEM) is an unrivalled technique for observing, characterizing and analyzing almost any type of materials. In physical science, the first observations of defects (i.e. dislocations) by TEM ...

    • Underwater femtosecond laser micromachining of thin nitinol tubes for medical coronary stent manufacture 

      Noorhafiza, Muhammad; Li, Lin (Springer-Verlag, 2012-06)
      Microprofiling of medical coronary stents has been dominated by the use of Nd:YAG lasers with pulse lengths in the range of a few milliseconds, and material removal is based on the melt ejection with a high-pressure gas. ...

    • Underwater ground mapping for flood disaster using ultrasonic sensor 

      Salman Sayyidi, Hamzaha; Mohd Hafiz, Fazalul Rahiman; Mohd Hajazi, Mustafa; Mohd Azrul, Amat; Lean Thiam, Siow; Vernoon, Ang Wei Neng; Thomas, Tan Wan Kiat; Syafiqah, Ishaka; Nur Atikah, Mat Alia (Penerbit UTM Press, 2016)
      Search and Rescue (SAR) team used dip stick to measure the water depth and identify the badly eroded area and a guide line will be placed to assist them. However, ground erosion is unpredictable coupled with unknown sizes ...

    • Uniaxial ratcheting of fiber glass reinforced epoxy: the effect of the fiber orientation 

      Khairul Salleh, Basaruddin (Universiti Malaysia Perlis, 2009-10-11)
      A series of finite element analysis have been undertaken on Fiber Glass Reinforced Epoxy (FRGE) laminates having fiber orientation of ± 30º, ± 45º and ± 60º subject to axial. Ratcheting of the FRGE laminate has been ...