Now showing items 41-60 of 74

    • Investigation of surface roughness on platinum deposited wafer after reactive ion etching using SF₆+Argon gaseous 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Aaron, Koay Terr Yeow; Siew Chui, Goh; Khairul Anwar, Mohamad Khazali; Nooraihan, Abdullah (Trans Tech Publications, 2014)
      This paper investigates the factors that affect the surface roughness on a Platinum deposited wafer after reactive ion etching (RIE) using a combination of SF₆ and Argon gaseous. A total of three controllable process ...
    • Velocity profile investigation of FFS microchannel at Re 100 

      Retnasamy, Vithyacharan; Zaliman, Sauli, Dr.; Taniselass, Steven; Nor Shakirina, Nadzri; Hsio Mei, Tan; Khairul Anwar, Mohamad Khazali; Nooraihan, Abdullah (Trans Tech Publications, 2014)
      Recently, microfluidics system has been widely employed in various areas for instance biomedical,pharmaceuticals and cell biological researchdue to its advantages. The flow behavior in microchannels with different ...
    • Fibrous material surface reflectance analysis 

      Ong, Tee Say; Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Nur Izza, Mohd Nor; Khairul Anwar, Mohamad Khazali; Nooraihan, Abdullah (Trans Tech Publications, 2014)
      The light inspection on surface finishing of most product measurement is an important feature in the industries. In this study, a lab module tester for examination on the different type quality of tissue paper quality was ...
    • Physical characterization of BST with different (x') ratios 

      Nurhafizah, Ramli; Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; They, Yee Chin; Khairul Anwar, Mohamad Khazali; Nooraihan, Abdullah (Trans Tech Publications, 2014)
      Nowdays Barium strontium titanate (BST) can be applied into many fields of engineering. Its properties attracted more researchers to research and apply it into many fields of study. In this work, sol-gel method of preparing ...
    • ID-Based signature scheme using elliptic curve cryptosystem 

      Eddie Shahril, Ismail, Dr.; Wan Suhana, Wan Daud (Hikari Ltd, 2013)
      Chung, Huang, Lai and Chen proposed an ID-based signature scheme on the elliptic curve cryptosystem. Their scheme is secure but requires 60.12TMUL+1THfor signature generation and 87.24TMUL+1TH for signature verification. ...
    • Application of feed-forward neural networks for classifying acoustics levels in vehicle cabin 

      Ahmad Kadri, Junoh; Zulkifli, Mohd Nopiah; Ahmad Kamal, Ariffin (Trans Tech Publications, 2014)
      Vehicle acoustical comfort and vibration in a passenger car cabin are the main factors that attract a buyer in car purchase. Numerous studies have been carried out by automotive researchers to identify and classify the ...
    • Improved debye model for experimental approximation of human breast tissue properties at 6 GHz ultra-wideband centre frequency 

      Ikram, E-Khuda; Sabira, Khatun, Prof. Dr.; Jahid Reza, Khondker; Md. Mijanur, Rahman, Dr.; Moslemuddin, Fakir, Dr. (Engg Journals Publications, 2013)
      This paper investigates complexity of breast tissue structure and mathematical equations to describe their dielectric properties. Experimental breast tissue dielectric properties are compared to theoretical results from ...
    • Effects of radiation, joule heating and viscous dissipation on MHD Marangoni convection over a flat surface with suction and injection 

      Rohana, Abdul Hamid; Norihan, Md Arifin, Dr.; Roslinda Mohd Nazar, Prof. Dr. (International Digital Organization for Scientific Information (IDOSI) Publications, 2013)
      In this paper, we studied the effects of thermal radiation, Joule heating and viscous dissipation on magnetohydrodynamics (MHD) Marangoni convection boundary layer over a flat surface. We also investigated the influence ...
    • Enhancement of algorithm and investigation of heat transfer through fins 

      Moslemuddin, Fakir, Dr.; Sabira, Khatun, Prof. Dr.; Shahnor, Basri, Prof. Ir. Dr. (Praise Worthy Prize S.r.l., 2013-09)
      Finite Element Method (FEM) and Differential Quadrature Method (DQM) are two very important numerical solution techniques to solve engineering and physical science problems. Usually elements are sub-divided uniformly in ...
    • Unsteady flow due to a contracting cylinder in a nanofluid using Buongiorno’s model 

      Wan Mohd Khairy Adly Wan Zaimi; Anuar, Ishak; Pop, Ioan (Elsevier, 2014-01)
      The unsteady flow and heat transfer of a nanofluid over a contracting cylinder is studied. Using a similarity transformation, the unsteady Navier–Stokes equations are transformed into a system of ordinary differential ...
    • Analytical and numerical solutions of fuzzy differential equations 

      Muhammad Zaini, Ahmad, Dr.; Mohammad Khatim, Hasan, Assoc. Prof. Dr.; De Baets, Bernard (Elsevier Inc., 2013-07)
      In this paper, we study analytical and numerical solutions of fuzzy differential equations based on the extension principle. For linear fuzzy differential equations, we state some results on the behaviour of the solutions ...
    • Solving fuzzy fractional differential equations using Zadeh's extension principle 

      Muhammad Zaini, Ahmad, Dr.; Mohammad Khatim, Hasan, Assoc. Prof. Dr.; Saeid, Abbasbandy, Dr. (Hindawi Publishing Corporation, 2013)
      We study a fuzzy fractional differential equation (FFDE) and present its solution using Zadeh's extension principle. The proposed study extends the case of fuzzy differential equations of integer order. We also propose a ...
    • Further improvement in the variational many-body wave functions for light nuclei 

      Qamar Nasir, Usmani, Prof. Dr.; Khairul Anwar, Mohamad Khazali; Nooraihan, Abdullah (American Physical Society, 2012-09)
      An improved variational ansatz is proposed and implemented for variational many-body wave functions for light nuclei with nucleons interacting through Argonne (AV 18) and Urbana IX (UIX) three-nucleon interactions. The new ...
    • Symmetry energy of nuclear matter at low densities and clustering at the nuclear surface 

      Zaliman, Sauli, Dr.; Nooraihan, Abdullah; Khairul Anwar, Mohamad Khazali; Qamar Nasir, Usmani, Prof. Dr. (IOP Publishing Ltd, 2012)
      We present a density functional theory which connects nuclear matter equation of state, which incorporates clustering at low densities, with clustering in medium and heavy nuclei at the nuclear surface. This explains the ...
    • Investigation of water hammer effect through pipeline system 

      Tan, Wee Choon; Prakash, Churia; Lim, Eng Aik; Teoh, Thean Hin (Indonesian Society for Knowledge and Human Development (INSIGHT), 2012)
      This paper we study the condition where the water hammer effect is occurs in pipe line. Water hammer can cause the pipe to break if the pressure is high enough. The experiment will be set-up to investigate the water hammer ...
    • Development of low wind speed anemometer 

      Tan, Wee Choon; Prakash, Churia; Lim, Eng Aik; Theoh, Thean Hin (Indonesian Society for Knowledge and Human Development (INSIGHT), 2012)
      Anemometer is a measuring device used to measure the wind speed of an area. Before design or installing a wind turbine, it is important to determine the average wind speed of that particular area throughout the year. But ...
    • Thermal diffusion and diffusion thermo effects on MHD thermosolutal Marangoni convection boundary layer flow over a permeable surface 

      Rohana, Abdul Hamid; Wan Mohd Khairy Adli, Wan Zaimi; Norihan, Md Arifin, Dr.; Nor Ashikin, Abu Bakar; Biliana, Bidin (Hindawi Publishing Corporation, 2012)
      The problem of thermal diffusion and diffusion thermo effects on thermosolutal Marangoni convection flow of an electrically conducting fluid over a permeable surface is investigated. Using appropriate similarity transformations, ...
    • Simulating evacuations with obstacles using a modified dynamic cellular automata model 

      Lim, Eng Aik; Tan, Wee Choon (Hindawi Publishing Corporation, 2012)
      A modified dynamic cellular automata model is proposed to simulate the evacuation of occupants from a room with obstacles. The model takes into account some factors that play an important role in an evacuation process, ...
    • Aliran Genangan bagi Bendalir Mikrokutub terhadap Permukaan Mencancang yang Telap dengan Fluks Haba Boleh Ubah 

      Wan Mohd Khairy Adly, Wan Zaimi; Anuar, Ishak (Penerbit UKM, 2012-05)
      Dalam makalah ini, masalah aliran genangan dalam bendalir mikrokutub terhadap permukaan mencancang yang telap dengan fluks haba boleh ubah dipertimbangkan. Dengan menggunakan penjelmaan keserupaan, persamaan asas yang ...
    • Intelligent exit-selection behaviors during a room evacuation 

      Zarita, Zainuddin, Prof.; Lim, Eng Aik (Chinese Physical Society and IOP Publishing Ltd., 2012-01)
      A modified version of the existing cellular automata (CA) model is proposed to simulate an evacuation procedure in a classroom with and without obstacles. Based on the numerous literature on the implementation of CA in ...