Browsing by Author "Mohd Hafiz, Fazalul Rahiman, Dr."

Now showing items 1-20 of 23

    • Application study on bubble detection in a metallic bubble column using electrical resistance tomography 

      Suzanna, Ridhuan Aw; Ruzairi, Abdul Rahim, Prof. Dr.; Mohd Hafiz, Fazalul Rahiman, Dr.; Fazlul Rahman, Mohd Yunus; Naizatul Shima, Fadzil; Mohd Zikrillah, Zawahir; Mohd Fahajumi, Jumaah; Muhammad Jaysuman, Pusppanathan; Nor Muzakkir, Nor Ayob; Yasmin, Abdul Wahab; Salinda, Buyamin, Dr. (Penerbit UTM Press, 2014)
      Electrical RESISTANCE tomography (ERT) has been chosen as the field of study because of its advantages of being low COST, suitable for various kinds and sizes of pipes and vessels, having no radiation hazard, and being ...

    • Design consideration for front-end system in ultrasonic tomography 

      Nor Muzakkir, Nor Ayob; Muhammad Jaysuman, Pusppanathan; Ruzairi, Abdul Rahim, Prof. Dr. ; Mohd Hafiz, Fazalul Rahiman, Dr.; Fazlul Rahman, Mohd Yunus; Salinda, Buyamin, Dr.; Intan Maisarah, Abd Rahim; Yusri, Md. Yunos, Dr. (Penerbit UTM Press, 2013)
      The hardware development of the ultrasonic tomography comprises three main parts; the sensor unit, electronic measurement circuits combined with a data acquisition system and finally the display unit. The research done is ...

    • Edge detection algorithm for enhancement of linear back projection tomographic images 

      Muhammad Jaysuman, Pusppanathan; Mahdi Faramarzi; Fazlul Rahman, Mohd Yunus; Nor Muzakkir, Nor Ayob; Ruzairi, Abdul Rahim, Prof. Dr.; Fatin Aliah, Phang Abdullah, Dr.; Usman Ullah, Sheikh, Dr.; Loew,  Pei Ling, Dr.; Khairul Hamimah, Abas; Mohd Hafiz, Fazalul Rahiman, Dr.; Shafishuhaza, Sahlan (Penerbit UTM Press, 2014)
      Process tomography (PT) is a leading technique for multiphase flow measurement and flow monitoring systems in various fields. PT has the advantage of interpreting acquired measurement data and transforming it into visual ...

    • 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. ...

    • The hardware design technique for ultrasonic process tomography system 

      Mohd Hafiz, Fazalul Rahiman, Dr.; Ruzairi, Abdul Rahim, Prof. Dr.; Herlina, Abdul Rahim, Dr.; Nor Muzakkir, Nor Ayob (International Frequency Sensor Association Publishing (IFSA), 2012-06)
      This paper describes a work carried out to design and development an ultrasonic process tomography system. The hardware design technique is of interest of this paper. A number of 32-ultrasonic transducers have been ...

    • Image fusion using fuzzy logic pixel fusion for dual modality tomography system 

      Muhammad Jaysuman, Pusppanathan; Mahdi Faramarzi; Fazlul Rahman, Mohd Yunus; Nor Muzakkir, Nor Ayob; Ruzairi, Abdul Rahim, Prof. Dr. ; Fatin Aliah, Phang Abdullah, Dr.; Mohd Hafiz, Fazalul Rahiman, Dr.; Anita, Ahmad, Dr.; Loew,  Pei Ling, Dr.; Khairul Hamimah, Abas (Penerbit UTM Press, 2014)
      Process tomography has been widely investigated and developed over time. The aim of this method is to measure the cross-sectional distribution of multiphase flow parameters based on its sensing technique. These single ...

    • 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 ...

    • Optical tomography hardware development for solid gas measurement using mixed projection 

      Siti Zarina, Mohd Muji; Chiew, Loon Goh; Nor Muzakkir, Nor Ayob; Ruzairi, Abdul Rahim, Prof. Dr. ; Mohd Hafiz, Fazalul Rahiman, Dr.; Herlina, Abdul Rahim, Dr.; Muhammad Jaysuman, Pusppanathan; Naizatul Shima, Mohd Fadzil (Elsevier Ltd, 2013-10)
      The ability to implement fan beam projection in parallel view in an optical tomography setup is one of the novelties of this research. This design involves a sensor jig specifically designed for parallel applications that ...

    • Optical tomography: Image improvement using mixed projection of parallel and fan beam modes 

      Siti Zarina, Mohd Muji; Ruzairi, Abdul Rahim, Prof. Dr.; Mohd Hafiz, Fazalul Rahiman, Dr.; Zarina, Tukiran; Nor Muzakkir, Nor Ayob; Elmy Johana, Mohamad, Dr.; Muhammad Jaysuman, Pusppanathan (Elsevier Ltd, 2013-07)
      Mixed parallel and fan beam projection is a technique used to increase the quality images. This research focuses on enhancing the image quality in optical tomography. Image quality can be defined by measuring the Peak ...

    • A review of process tomography application in inspection system 

      Yasmin, Abdul Wahab; Ruzairi, Abdul Rahim, Prof. Dr.; Mohd Hafiz, Fazalul Rahiman, Dr.; Herlina, Abdul Rahim, Dr.; Suzanna, Ridhuan Aw; Juliza, Jamaludin; Naizatul Shima, Mohd Fadzil (Penerbit UTM Press, 2014)
      The inspection system is crucial to ensure the system is always in a good condition. A technique that can be used for inspection system is process tomography. By promising non-destructive approach; various types of process ...

    • A review of the optical tomography system 

      Juliza, Jamaludin; Ruzairi, Abdul Rahim, Prof. Dr. ; Herlina, Abdul Rahim, Dr.; Naizatul Shima, Mohd Fadzil; Mohd Hafiz, Fazalul Rahiman, Dr.; Mohd Fahajumi, Jumaah; Siti Zarina, Mohd Muji, Dr.; Mohd. Amri, Md Yunus, Dr. (Penerbit UTM Press, 2014)
      Tomography is a method that has been used for image reconstruction in the medical and engineering fields. Optical tomography is one of the various methods APPLIED in tomography systems. This tomography method is widely ...

    • 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 ...

    • A review of ultrasonic application on non-destructive testing method for concrete structure 

      Nasarudin, Ahmad; Ruzairi, Abdul Rahim, Prof. Dr.; Herlina, Abdul Rahim, Dr.; Mohd Hafiz, Fazalul Rahiman, Dr. (Penerbit UTM Press, 2014)
      Although the technique of using ultrasound has reached maturity by given the extent of the development of sensors, but the use of the various areas still can be explore. Many types of ultrasonic sensors are still at ...

    • 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 ...

    • 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 ...

    • Smart column imager 

      Mohd Hafiz, Fazalul Rahiman, Dr.; Mohd Ruzairi, Abdul Rahim, Prof. Dr.; Zulkarnay, Zakaria; Masturah Tunnur, Mohammad Talib (Universiti Malaysia Perlis (UniMAP)School of Mechatronic Engineering, 2014-05)
      This invention presents a smart column imager system that performs 3D imaging of liquid/gas mixtures in a process column and estimates of the mixtures profiles.

    • Study and Design of an Ultrasonic Flow Tomographic Front-End Multi Level Measurement System 

      Goh, Chiew Loon; Ruzairi, Abdul Rahim, Prof. Dr. ; Suzanna, Ridhuan Aw; Fazlul Rahman, Mohd Yunus; Nor Muzakkir, Nor Ayob; Mohd Hafiz, Fazalul Rahiman, Dr.; Anita, Ahmad, Dr.; Nasarudin, Ahmad; Khairul Hamimah, Abas (Penerbit UTM Press, 2014)
      With the rapid evolution of electro-acoustical technology, ultrasonic tomography has made considerable progress in industry. An ultrasonic tomography system provides non-invasive and non-intrusive flow visualisation that ...

    • A study of a two phases medium in pipe vessel using gaussian filter method and k-NN classifier 

      Mohd Rizal, Manan; Muhammad Naufal, Mansor; Ruzairi, Abdul Rahim; Sazali, Yaacob, Prof. Dr.; Mohd Hafiz, Fazalul Rahiman, Dr. (IOS Press, 2013-07-03)
      In this paper we present the existence and uniqueness of solutions to the stochastic problem to determine two phase level of gas and water in the industrial pipe line. In order to distinguish the level phases in a vessel ...

    • 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 ...