Browsing Mohd Hafiz Fazalul Rahiman, Associate Professor Ir.Dr. by Issue Date
Now showing items 1-20 of 69
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Supasorb Adsorbents for Treatment of Dyespolluted Wastewater
(Malaysian Invention and Design Society (MINDS), 2007)Supasorb is a carbon-based adsorbent designed to treat dyes polluted waterwaste discharge from industry. -
Oil Contamination Detection System (OCDS)
(Malaysian Invention and Design Society (MINDS), 2007-05-18)Oil Contamination Detection System (OCDS) is a novel and cost effective invention for illegal oil and grease emissions monitoring. OCDS will be immersed partially in the water by using a float. -
Remote Oil Spillage Monitoring System
(Kementerian Pengajian Tinggi Malaysia (KPTM), 2007-08-10)Oil spills can destroy marine life as well as damaging habitat for land animals and humans. Majority of marine oil spills occurs from ships emptying their tanks before or after entering port. Large area oil spills are ... -
Real time mass flow rate measurement using multiple fan beam optical tomography
(Elsevier, 2008)This paper presents the implementing multiple fan beam projection technique using optical fibre sensors for a tomography system. From the dynamic experiment of solid/gas flow using plastic beads in a gravity flow rig, the ... -
An optical tomography system using a digital signal processor
(Molecular Diversity Preservation International (MDPI), 2008-03)The use of a personal computer together with a Data Acquisition System (DAQ) as the processing tool in optical tomography systems has been the norm ever since the beginning of process tomography. However, advancements in ... -
Hardware implementation of multiple fan beam projection technique in optical fibre process tomography
(Molecular Diversity Preservation International (MDPI), 2008-05)The main objective of this project is to implement the multiple fan beam projection technique using optical fibre sensors with the aim to achieve a high data acquisition rate. Multiple fan beam projection technique here ... -
Ultrasonic process tomographic imaging sensor: An approach utilising transceivers method
(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 imaging for two-phase flow
(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 ... -
Multiphase ultrasonic tomography technique for homogeneous and Non-homogeneuos media identification
(Intel Tech Sdn. Bhd./Pac Tech Sdn. Bhd./Universiti Sains Malaysia (USM), 2009)Multiphase flow characterization is an important task for monitoring, measuring or controlling industrial processes. This can be done by means of process tomography. The use of tomographic techniques has been used within ... -
Statistical time energy based damage detection in steel plates using artificial neural networks
(Institute of Electrical and Elctronics Engineering (IEEE), 2009-03-06)In this paper, a simple method for crack identification in steel plates based on statistical time energy is presented. A simple experimental procedure is also proposed to measure the vibration at different positions of a ... -
Optical tomography system using digital signal processor: Velocity profile measurement
(Inderscience Enterprises Limited, 2009-06)The DSP system was customised to control the data acquisition process of 16 x 16 optical sensors array, arranged in parallel beam projection. The data collected was used to reconstruct the cross sectional image of the ... -
Damage detection in steel plates using artificial neural networks
(Institute of Electrical and Electronics Engineering (IEEE), 2009-06-04)In this paper, a simple method for crack identification in steel plates based on frame energy based Discrete Cosine Transformation (DCT) is presented. A simple experimental procedure is also proposed to measure the vibration ... -
Damage detection in steel plates using discrete cosine transformation techniques and artificial neural network
(Universiti Malaysia Perlis, 2009-10-11)In this paper, a simple method for crack identification in steel plates based on the Frame Energy based Discrete Cosine Transformation [DCT] moments is presented. A simple experimental procedure is also proposed to measure ... -
Homogeneous and Non-homogeneous media indentification and circuitry design of multiphase Ultrasonic Tomography
(Universiti Malaysia Perlis, 2009-10-11)Multiphase flow characterization is an important task for monitoring, measuring or controlling industrial processes. This can be done by means of process tomography. The use of tomographic techniques has been used within ... -
Ultrasound processing circuitry for ultrasonic tomography
(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 ... -
Simulation of the two-phase liquid – gas flow through ultrasonic transceivers application in ultrasonic tomography
(International Frequency Sensor Association (IFSA), 2010-01-29)In this paper, ultrasonic transmission mode tomography was used to visualize the two phase liquid/gas flow in a pipe/vessel. The sensing element consists of 8, 16 and 32 units ultrasonic transceivers were used to cover ... -
Mathematical modelling of gas bubbles and oil droplets in liquid media using optical linear path projection
(Elsevier Ltd., 2010-05-05)This paper describes mathematical modelling of oil droplets and gas bubbles in water. The light sources that are discussed are visible light radiation and infrared radiation. Gas bubbles or oil droplets less than 1 mm ... -
Simulation on using cross-correlation technique for two-phase liquid/gas flow measurement for Ultrasonic Transmission Tomography
(Institute of Electrical and Electronics Engineers (IEEE), 2010-05-21)Combining Ultrasonic Transmission Tomography (UTT) with the cross-correlation flow measurement technique can provide more information on the flow than usual. A simulated dual-plane UTT system for use on laboratory and ... -
Modeling orthogonal and rectilinear mixed-modality projection of optical tomography for solid-particles concentration measurement
(Elsevier B. V., 2010-06)In optical tomography, light attenuation/scattering methods have been used to determine average solids concentrations in gas-solids flows. Derived from the Lambert-Beer law, the Mie theory forms the theoretical basis for ... -
Computed Tomography Virtual Lab Software application in Biomedical Electronic Engineering Programme at University Malaysia Perlis
(Universiti Malaysia PerlisSchool of Materials Engineering & School of Environmental Engineering, 2010-06-09)Computed Tomography (CT) is a medical imaging method and is among the common equipment or machine in a hospital which is vital in imaging certain parts of human body for the purpose of screening and detecting of deceases ...