The Open Optics Journal


(Discontinued)

ISSN: 1874-3285 ― Volume 9, 2015

Solid/Gas Concentration Measurements Using Multiple Fan Beam Optical Tomography


The Open Optics Journal , 2008, 2: 21-34

R. Abdul Rahim, L.C. Leong, K.S. Chan, M.H. Fazalul Rahiman, J.F. Pang

Process Tomography Research Group (PROTOM), Department of Control & Instrumentation Engineering, Faculty of Electrical Engineering, Universiti Teknologi Malaysia, 81310 UTM Skudai, Johor, Malaysia.

Electronic publication date 16/7/2008
[DOI: 10.2174/1874328500802010021]

Abstract:

The application of optical sensors in process tomography involves using non-intrusive sensors to obtain vital information in order to produce images from the dynamic characteristics of a process system. Multiple fan beam projection technique here is defined as allowing more than one emitter to transmit light at the same time using the switch-mode fan beam method. For the thirty-two pairs of sensors used, the 2-projection technique and 4-projection technique are being investigated. Sixteen sets of projections will complete one frame of light emission for the 2-projection technique while eight sets of projection will complete one frame of light emission for the 4-projection technique. The data obtained from optical fibre sensors will then be reconstructed into image using the Linear Back Projection and Iterative Reconstruction algorithms through Visual C++ programming. Concentration measurements and series of error analyses will determine the feasibility of the optical fibre sensors to perform as an instrument in solid flow visualization.


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