Detection of corrosion under coated surface by eddy current testing method
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Author list: Sodsai K., Noipitak M., Sae-Tang W.
Publisher: Institute of Physics Publishing
Publication year: 2019
Volume number: 6
Issue number: 10
ISSN: 2053-1591
eISSN: 2053-1591
Languages: English-Great Britain (EN-GB)
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Abstract
This work presents a developed field-test scaled asymmetrical compound parabolic concentrator (ACPC) and an investigation of its performance with a single flow system of water on Escherichia coli inactivation. As a function of water flow rate, ability to produce hot water of the ACPC and hence inhibit the growth of bacterial in water is focused to study; the flow rates varied are 0.2, 0.4, and 0.6 l min-1. With a design and choice of material, the constructed ACPC unit with 0.2 l min-1 could produce hot water with maximum temperature of 76.4 ฐC, with lower flow rates resulting in the lower outlet water temperature and consequently the reduced kinetics of bacteria inactivation. Thermal performance parameters have been described in a correlative view with the particular operation condition and flow rate variables through mathematic calculation. The effect of inlet driving temperature, believed to play a significant role controlling the outlet temperature, on E. coli inactivation has been investigated. ฉ 2019 IOP Publishing Ltd.
Keywords
asymmetrical compound parabolic concentrator, field test, single flow
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