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Now showing items 11-20 of 27
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 ...
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 ...
Ultrasonic tomography imaging simulation of two-phase homogeneous flow
(Emerald Group Publishing Limited, 2009-09)
Purpose - The purpose of this paper is to present an implementation of ultrasonic tomography simulation to investigate the laminar flow of stratified liquid between water and oil. Design/methodology/approach - The velocity ...
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 ...
Design and modelling of ultrasonic tomography for two-component high-acoustic impedance mixture
(Elsevier B.V., 2008-10)
This paper describes the design and modelling of ultrasonic tomography for two-component high-acoustic impedance mixture such as liquid/gas and oil/gas flow which commonly found in chemical columns and industrial pipelines. ...
Multiple fan-beam optical tomography: Modelling techniques
(MDPI Publishing, 2009-11)
This paper explains in detail the solution to the forward and inverse problem faced in this research. In the forward problem section, the projection geometry and the sensor modelling are discussed. The dimensions, distributions ...
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 ...
Design and development fo a CCD based optical tomography measuring system for particle sizing identification
(Elsevier Ltd, 2011-07)
This research investigates the use of charge coupled device (abbreviated as CCD) linear
image sensors in an optical tomographic instrumentation system used for sizing particles.
Four CCD linear image sensors are configured ...
Optical tomography system based on charge-coupled device linear image sensors: Particle size measurement
(Elsevier B.V, 2011-08)
This paper discussed an optical tomography system based on charge-coupled device (CCD) linear image sensors. The developed system consists of a lighting system, a measurement section and a data acquisition system. Four CCD ...
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 ...