Now showing items 669-688 of 2600

    • Direct Numerical Simulation: A review 

      Suhaila, Hussain; Roshaliza, Hamidon (Universiti Malaysia Perlis (UniMAP)Institut Matematik Kejuruteraan, 2010-06-02)
      This paper is about the Direct Numerical Simulation method for modeling turbulence flows. It reviews the use of spectral method via Fourier analysis in solving the Navier-Stokes equations for turbulent flows. The method ...
    • Direction and value of e-books: An academic perspective 

      Kaufman, Paula T. (Universiti Malaysia Perlis (UniMAP)Perpustakaan Tuanku Syed Faizuddin Putra (PTSF), 2012-12-05)
    • Discovery tools enhancing access to global information resources 

      Owen, Sue (Universiti Malaysia Perlis (UniMAP)Perpustakaan Tuanku Syed Faizuddin Putra (PTSFP), 2012-12-05)
    • Discrimination of pathological voices using systole activated neural network 

      Murugesa Pandiyan, Paulraj, Prof. Madya Dr,; Sazali, Yaacob, Prof. Dr.; Hariharan, Muthusamy, Dr. (Noise, Vibration and Comfort Research Group, 2007-11-27)
      The discrimination of normal and pathological voices using noninvasive acoustical analysis features helps speech specialits to perform accurate diagnoses of vocal and voices disease. Acoustic analysis is a non-invasive ...
    • Distributed generation installation using particle swarm optimization 

      L., Y. Wong; Siti Rafidah, Abdul Rahim; Mohd Herwan, Sulaiman; Aliman, Omar (Institute of Electrical and Electronics Engineers (IEEE), 2010-06-23)
      This paper presents a particle swarm optimization approach for the placement of distributed generation (DG) in the distribution system. DG installation in the distribution system is very useful in reducing the line losses, ...
    • A Divide-by-2 frequency divider design 

      A., Marzuki; Tun Zainal Azni, Zulkifli; Basir, Saibon (Kolej Universiti Kejuruteraan Utara Malaysia, 2005-05-18)
      A divide-by-2 frequency divider is presented in this paper. Basic theory and topologies of frequency divider is discussed. The frequency divider is designed for W-CDMA application particularly for demodulator section. It ...
    • DIY e-resource management 

      Palmer, David T., (Universiti Malaysia Perlis (UniMAP)Perpustakaan Tuanku Syed Faizuddin Putra (PTSFP), 2012-12-05)
    • Double layer control system based on engine rpm: A regression model development & practical application 

      Sivarao; M. S., Kasim; Sivasan; M. A., Sulaiman; A. R. M., Warikh; Taufik; Tajul, A. (Universiti Malaysia Pahang (UMP), 2009-06-20)
      Speed sensing applications have been widely known in the automotive industry as, most of the gadgets require speed sensing system to control the desirable output. This experimental project is expected to be applied in ...
    • Drag coefficient effect of vertical axis wind turbine 

      A.Y. Qasim; Usubamatov, Ryspek, Prof. Dr.; Zuraidah, Mohd Zain, Prof. Dr. (Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)
      The new world boom for wind turbines obliged inventors to create new wind turbine designs that have high efficiency and better then known designs. This paper proposes the impeller wind turbine, which uses more effectively ...
    • Driver fatigue and driving performance among drivers in Simulated Prolonged Driving 

      Kee, S.S.; Shamsul Bahri, Mohd Tamrin; Goh Yong, Meng (Universiti Malaysia Perlis (UniMAP), 2009-12-01)
      Motor vehicle accident is a major problem in Malaysia. The statistics for a ten year periods (1997 to 2007) shows an increasing number of accidents. Fatigue and drowsiness among the commercial drivers has been identified ...
    • Dry sliding wear behaviour of A390 hypereutectic (Al–Si) alloy 

      Riyadh A., Al-Samarai; Haftirman, Idrus; Khairel Rafezi, Ahmad, Dr.; Yarub, Al-Douri (Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)
      The behavior of wear for dry alloy A390 of (aluminum–silicon) casting which constitutes 16% Si is investigated. The lost of the wear rate is weighted and the volume decreases with increasing speed of sliding as well as ...
    • A dual bevel compact planar monopole antenna for UHF application 

      Muzammil, Jusoh; Mohd Faizal, Jamlos, Dr.; Muhammad Ramlee, Kamarudin; Zahari, Awang Ahmad; Muhamad Asmi, Romli; Naseer, Sabri (The Electromagnetics Academy, 2012-03)
      This paper presented a novel dual bevel planar monopole antenna with the abil- ity to operate from 470MHz to 1100 MHz. The compact planar monopole antenna consists of radiating element perpendicular to ground plane with ...
    • Dual frequency X-Band reflectarray antenna using dual gap 

      Noor Hafizah, Sulaiman; Muhammad Yusof, Ismail, Dr. (Malaysian Technical Universities Network (MTUN), 2012-11-20)
      The demand for low cost and less weight antenna with compact broadband features in communication system is rapidly increasing. In this work, the possibility of employing dual gap on reflectarray patch element for static ...
    • Dumbbell shape EBG structure — Worth to EBG assisted microwave filter designing 

      S. M. Shakil Hassan; Mohammad Nurunnabi, Mollah; Mohd Abdur, Rashid; Nur Hafeizza, Ramly; Mardianaliza, Othman (Institute of Electrical and Electronic Engineers (IEEE), 2012)
      Novel designs of dumbbell shape EBGS have been reported with distinguished filtering features that include larger stopband, dual-band, multi-band and low-pass performance. None but dumbbell shape EBG structure alone can ...
    • DWT and MFCC based human emotional speech classification using LDA 

      Murugappan, Muthusamy, Dr.; Nurul Qasturi Idayu, Baharuddin; Jeritta, S (Institute of Electrical and Electronics Engineers (IEEE), 2012-02-27)
      Recent years, identification of gender based on emotional speech is one of the active research areas in developing intelligent human machine interactive (HMI) systems and biometric system. This work aims to identify the ...
    • Dye Removal from Aqueous Solution by Using Chemical Treated Sugarcane Bagasse at Various pH 

      Saiful Azhar, Saad; Azlinda, Abdul Ghani; Suhardy, Daud; Farizul Hafiz, Kasim; Mohd Nazry, Salleh (Kolej Universiti Kejuruteraan Utara Malaysia (KUKUM), 2006-12-09)
    • Dye Removal from Aqueous Solution Using Egg Shell Powder 

      Azlinda, Abdul Ghani; Ragunathan, Santiagoo; Anbu Johnson, Dr.; Naimah, Ibrahim; Salsuwanda, Selamat (Universiti Malaysia Perlis (UniMAP), 2007-06-09)
      Dyes and pigments have been used in many industries for colouration purpose. Textile industry is one of the prominent polluters releasing high concentrated effluent into the surrounding environment. Dyes contain carcinogenic ...
    • Dyes Removal from Aqueous Solution using Chemical Treated Empty Fruit Bunch at Various pH 

      Saiful Azhar, Saad; Suhardy, Daud; Farizul Hafiz, Kasim; Mohd Nazry, Salleh (Universiti Malaysia Perlis (UniMAP), 2007-06-09)
      There is a considerable need for the removal of color from wastewater/effluents. The discharge of dyebearing wastewater into natural streams and rivers from the textile, paper, carpet, leather, distillery, and printing ...
    • Dynamic analysis of drillstring with FEM by considering wellbore-drillstring contact 

      Maziar, Mohammadzadeh; Mohammadreza, Ghazavi; Mohammad, Sahebkar (Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)
      In this research,the finite element method (FEM) is applied to analyze the drillstring vibration. The contact between different parts of the drillstring and the borehole wall has been considered which was ignored by ...
    • Dynamic fracture toughness of magnesium alloy under impact loading conditions 

      Mohd Ahadlin, Mohd Daud; Nurulhilmi Zaedah, Nasir; Ahmad, Rivai; Mohd Zulkefli, Selamat (Malaysian Technical Universities Network (MTUN), 2012-11-20)
      In the present study, three-point bend impact experiments on AZ61 magnesium alloy were conducted using an instrumented impact testing machine by Charpy V notch in accordance to ASTM E24.03.03. This test method is to determine ...