Browsing Journal Articles by Author "zulkarnay@unimap.edu.my"

Now showing items 1-20 of 21

    • Design and analysis of magnetic flux leakage capsule 

      Maliki, Ibrahim; Zulkarnay, Zakaria; Ali Aiman, Mustapha; Marisah, Norhasan; Mohd Nasir, Ayob; Ibrahim, Balkhis; Ruzairi, Abdul Rahim, Prof. Dr.  (International Frequency Sensor Association (IFSA), 2013-08)
      Magnetic flux leakage (MFL) is among the current in-line non-invasive popular technique applied in pipeline condition control and monitoring. This paper discussed on the design and development of magnetic flux leakage ...

    • Development of parallel and fan-shaped beam mixed-projection optical tomography 

      Siti Zarina, Mohd. Muji, Dr.; Ruzairi, Abdul Rahim, Prof. Dr.; Mohd Hafiz, Fazalul Rahiman; Yusry, Yunus; Zulkarnay, Zakaria; Nor Muzakkir, Nor Ayub (International Frequency Sensor Association Publishing (IFSA), 2012-05)
      Parallel and fan shaped beam are two common projections that had been used widely in optical tomography system. These projections never have been merged before in the process of tomography area. In this paper, some ...

    • Dielectric measurement techniques of biological tissue: A review on electrodes perspective 

      Ruzairi, Abdul Rahim, Prof. Dr.; Zulkarnay, Zakaria; Maliki, Ibrahim; Muhammad Saiful Badri, Mansor; Siti Zarina, Mohd. Muji, Dr.; Nor Muzakkir, Nor Ayub (International Frequency Sensor Association Publishing (IFSA), 2012-02)
      The aim of this paper is to review the techniques that have been developed in biological tissue dielectric measurement. This manuscript may give a clear picture on the history, development of the technology and also the ...

    • Gas hold-up profiles determination by means of ultrasonic transducer 

      Mohd Hafiz, Fazalul Rahiman, Dr.; Ruzairi, Abdul Rahim, Prof. Dr. ; Herlina, Abdul Rahim, Dr.; Zulkarnay, Zakaria; Muhammad Jaysuman, Pusppanathan; Goh, Chiew Loon; Nasarudin, Ahmad; Yasmin, Abdul Wahab; Fazlul Rahman, Mohd Yunus (Penerbit UTM Press, 2014)
      This paper details a work carried out to measure gas hold-up profiles in a liquid column using a pair of ultrasonic transducer. The gas hold-up profiles from 1.85 mm to 7.7 mm diameter are of interest in this investigation. ...

    • Imaging of a metallic object using magnetic induction tomography 

      Muhammad Saiful Badri, Mansor; Zulkarnay, Zakaria; Ruzairi, Abdul Rahim, Prof. Dr. ; Ibrahim, Balkhis; Mohd Fahajumi, Jumaah; Mohd Zikrillah, Zawahir; Herlina, Abdul Rahim, Dr.; Loew, Pei Ling, Dr.; Khairul Hamimah, Abbas (International Frequency Sensor Association Publishing (IFSA), 2013-08)
      This paper describes the metallic imaging results from magnetic induction tomography (MIT) hardware. Copper phantom, representing a high conductivity material, was placed into the measurement region of interest. The initial ...

    • Magnetic Flux Leakage (MFL) Capsule material selection and its robustness analysis in oil and gas pipeline 

      Maliki, Ibrahim; Zulkarnay, Zakaria; Ali Aiman, Mustapha; Surin, Dennis Desmond; Mohd Nasir, Ayob; Ibrahim, Balkhis; Ruzairi, Abdul Rahim, Prof. Dr.  (International Frequency Sensor Association (IFSA), 2013-08)
      This paper discussed on the material selection and its robustness analysis towards the design of magnetic flux leakage capsule that most applied in oil and gas pipeline. Magnetic Flux Leakage is among the most famous and ...

    • Magnetic induction tomography modeling in biological tissue imaging using two-port network technique 

      Muhammad Saiful Badri, Mansor; Mohd Fahajumi, Jumaah; Zulkarnay, Zakaria; Ruzairi, Abdul Rahim, Prof. Dr. ; Nor Muzakkir, Nor Ayob; Khairul Hamimah, Abbas; Siti Zarina, Mohd Muji; Sazali, Yaacob, Prof. Dr.; Herlina, Abdul Rahim, Dr.; Loew,  Pei Ling, Dr. (International Frequency Sensor Association (IFSA), 2013)
      Magnetic Induction Tomography (MIT) is a non-invasive and non-intrusive imaging technique which interested in passive electrical properties of a material that are permittivity, permeability and conductivity. MIT applies ...

    • Magnetic induction tomography: Receiver circuit and its design criteria 

      Zulkarnay, Zakaria; Muhammad Saiful Badri, Mansor; Ruzairi, Abdul Rahim; Ibrahim, Balkhis; Mohd Hafiz, Fazalul Rahiman; Nor Muzakkir, Nor Ayob; Herlina, Abdul Rahim; Sazali, Yaacob, Prof. Dr. (Penerbit UTM Press, 2013-07)
      This paper discusses the receiver circuit and criteria for component selection towards the application of a real-time magnetic induction tomography system. Component selection plays an important role since image reconstruction ...

    • Measurement of the content of water using light penetration 

      Mohd Fahajumi, Jumaah; Mohd Zikrillah, Zawahir; Fazlul Rahman, Mohd Yunus; Ruzairi, Abdul Rahim, Prof. Dr.; Nor Muzakkir, Nor Ayob; Muhammad Saiful Badri, Mansor; Naizatul Shima, Fadzil; Zulkarnay, Zakaria; Mohd Hafiz, Fazalul Rahiman, Dr.; Mohd Ramzam, Abdul Manaf (Penerbit UTM Press, 2014)
      In this paper we use an electronic component to produce light which is applied in testing soft tissue penetration. We used bio tissue, a slice of apple, and non-bio tissue, paper. The voltage could be adjusted to brighten ...

    • Modelling ultrasonic sensor for gas bubble profiles characterization of chemical column 

      Mohd Hafiz, Fazalul Rahiman, Dr.; Ruzairi, Abdul Rahim, Prof. Dr. ; Herlina, Abdul Rahim, Dr.; Nor Muzakkir, Nor Ayob; Elmy Johana, Mohamad, Dr.; Zulkarnay, Zakaria (Elsevier B.V., 2013)
      In this paper, we present a modelling and experimental work to characterize gas bubble profiles in chemical column using a pair of ultrasonic sensor. The gas bubble profiles from 2.90 mm to 7.50 mm diameter are of interest ...

    • A review of tomography system 

      Juliza, Jamaludin; Mohd Zikrillah, Zawahir; Ruzairi, Abdul Rahim, Prof. Dr. ; Fazlul Rahman, Mohd Yunus; Nor Muzakkir, Nor Ayob; Suzzana, Muhammad Ridzuan Aw; Naizatul Shima, Mohd Fadzil; Zulkarnay, Zakaria; Mohd Hafiz, Fazalul Rahiman, Dr. (Penerbit UTM Press, 2013)
      Tomography system is a method that being used to reconstruct a cross sectional image in vessel or pipeline. This method is widely used in medical and industrial fields. The aim of this paper is to provide an overview of ...

    • Review on interaction between electromagnetic field and biological tissues 

      Zulkarnay, Zakaria; Ruzairi, Abdul Rahim, Prof. Dr.; Lee, Pick Yern; Muhammad Saiful Badri, Mansor; Azian Azamimi, Abdullah; Sazali, Yaacob, Prof. Dr.; Siti Zarina, Mohd Muji (International Frequency Sensor Association (IFSA), 2012)
      The objective of this paper is to have a look on the interaction of electromagnetic field (EM) on biological tissue from the view of physiological and electrical engineering. The understanding of the phenomena in the ...

    • Simulation of the two-phase liquid – gas flow through ultrasonic transceivers application in ultrasonic tomography 

      Zulkarnay, Zakaria; Mohd Hafiz, Fazalul Rahiman; Ruzairi, Abdul Rahim (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 ...

    • Simulative study of two-phase homogenous and isotropic media imaging using magnetic induction tomography 

      Zulkarnay, Zakaria; Ibrahim, Balkhis; Lee, Pick Yern; Nor Muzakkir, Nor Ayob; Mohd Hafiz, Fazalul Rahiman, Dr.; Mohd Zikrillah, Zawahirah; Ruzairi, Abdul Rahim, Prof. Dr. (Penerbit UTM Press, 2014)
      Magnetic induction tomography is a new non-invasive technology, based on eddy current discovery of electromagnetic induction by Michael Faraday. Through this technique, the passive electrical properties distribution of an ...

    • Single channel magnetic induction spectroscopy technique for fetal acidosis detection 

      Shazwani, Sarkawi; Zulkarnay, Zakaria; Jurimah, Abdul Jalil; Ibrahim, Balkhis; Mohamad Aliff, Adul Rahim; Nazahah, Mustafaa; Ruzairi, Abdul Rahim; Mohd Hafiz, Fazalul Rahiman; Zaridah, Shafie (Penerbit UTM Press, 2016)
      Current fetal acidosis diagnosis needs an invasive measurement which required a doctor to puncture fetal scalp to acquire blood pH. This method introduced risk to the fetal which fetal scalp may bruise and infected. This ...

    • Small gas component detection using ultrasonic transmission-mode tomography system 

      Nor Muzakkir, Nor Ayob; Muhammad Jaysuman, Pusppanathan; Ruzairi, Abdul Rahim, Prof. Dr.; Mohd Hafiz, Fazalul Rahiman, Dr.; Fazlul Rahman, Mohd Yunus; Zulkarnay, Zakaria; Goh, Chiew Loon; Salinda, Buyamin, Dr.; Nasarudin, Ahmad; Yusri, Md. Yunos, Dr.; Norhaliza, Abdul Wahab, Assoc. Prof. Dr. (Penerbit UTM Press, 2014)
      This paper presents the development of an ultrasonic transmission-mode tomography system for the detection of small gas components by using higher frequency ultrasonic transducers. The selection of the transducer is important ...

    • Study of electric field an magnetic field affected biological cells 

      Mohd Zikrillah, Zawahir; Ruzairi, Abdul Rahim, Prof. Dr.; Zulkarnay, Zakaria; Muhammad Saiful Badri, Mansor; Mohamad Shukri, Abdul Manaf (Penerbit UTM Press, 2014)
      This paper presents the elaboration on effect of electric field and magnetic field to biological cells. Electroporation has become important parameter in treatment cancer or tumour cells. By using electric field or magnetic ...

    • Study of the effect of brightness after penetration of light from a lens 

      Mohd Fahajumi, Jumaah; Mohd Zikrillah, Zawahir; Fazlul Rahman, Mohd Yunus; Ruzairi, Abdul Rahim, Prof. Dr.; Nor Muzakkir, Nor Ayob; Muhammad Saiful Badri, Mansor; Naizatul Shima, Mohd Fadzil; Zulkarnay, Zakaria; Mohd Hafiz, Fazalul Rahiman, Dr. (Penerbit UTM Press, 2013)
      There are many types of component that are able to produce light and the light is produced based on the angle and wavelength of the lens. Light penetration depends on the type of material used. The tests are done using ...

    • A study on forward and inverse problems for an ultrasonic tomography 

      Mohd Hafiz, Fazalul Rahiman, Dr.; Ruzairi, Abdul Rahim, Prof. Dr.; Herlina, Abdul Rahim, Dr.; Zulkarnay, Zakaria; Muhammad Jaysuman, Pusppanathan (Penerbit UTM Press, 2014)
      This paper studies the solution for inverse and forward problems for an ultrasonic tomography. Transmission-mode approach has been used for sensing the liquid/gas two-phase flow, which is a kind of strongly inhomogeneous ...

    • Study on wireless sensor based industrial tomography systems 

      Chiew, Loon Goh; Nor Muzakkir, Nor Ayob; Ruzairi, Abdul Rahim, Prof. Dr.; Herlina, Abdul Rahim, Dr.; Muhammad Jaysuman, Pusppanathan; Mohd Hafiz, Fazalul Rahiman, Dr.; Loew,  Pei Ling, Dr.; Zulkarnay, Zakaria (International Frequency Sensor Association Publishing (IFSA), 2013)
      Wireless sensor technologies are promising in the field of industrial tomography system, to visualize the cross-sectional images of an industrial flow process. The aim of the paper is to review the technical and scientific ...