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espace at MMU > Faculties > Faculty of Science and Engineering > Department of Engineering and Technology > Variable density flowmeter for loading road tankers using process tomography

Please use this identifier to cite or link to this item: http://hdl.handle.net/2173/111531
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Title: Variable density flowmeter for loading road tankers using process tomography
Authors: Deloughry, Richard J.
Pickup, Elaine
Barratt, L.
Young, Matthew
Citation: Progress in biomedical optics and imaging, 2001, vol. 4188, pp. 273-283.
Publisher: S P I E - International Society for Optical Engineering
Issue Date: Feb-2001
URI: http://hdl.handle.net/2173/111531
DOI: 10.1117/12.417174
Additional Links: http://spie.org/
Abstract: Montell Carrington Limited produces polyethylene and polypropylene nibs, which are sold in bulk form to companies who use them to make products for the consumer market. The nibs are stored in 30 storage bunkers, each with a capacity of 500 tonnes. The external distribution of nibs is achieved using 40 tonne road tankers that are filled from each of the bunkers using gravity feed.Work has been undertaken at the Manchester Metropolitan University, in collaboration with Montell, to develop a Variable Density Flowmeter using Process Tomography that will enable the mass flow of nibs to be measured with an accuracy of ±2% and hence control the loading of the road tankers. The flowmeter (260mm diameter) was situated between the bunker discharge outlet valve and the tanker. Measurement of the density distribution across the pipe, using Process Tomography, enabled the mass flow into the road tankers to be determined. The Montell Process Tomography (MPT) system was a PC based system incorporating Texas Instruments C40 parallel processors and a 12 electrode capacitance measuring system with a driven axial shield. The capacitance detector was an AC bridge detection circuit working at 100kHz, a demodulator and a back projection algorithm were used to obtain the process images.
Type: Article
Language: en
Description: Full-text of this article is not available in this e-prints service. This article was originally published [following peer-review] in Progress in Biomedical Optics and Imaging, published by and copyright S P I E - International Society for Optical Engineering.
Keywords: Variable density flowmeter
Process tomography
Appears in Collections: Department of Engineering and Technology

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