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Double-structured ultrasonic high frequency reactor using an optimised slant bottom |
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| Authors: | Hihn J Y Bereziat D Doche M L Chaillet P Lorimer J P Mason T J Pollet B |
| Institution: | a Laboratoire de Corrosion et Traitements de Surface, Equipe de l'IUT, 30 av. de l'Observatoire, 25 009 Besançon Cedex, France b Institut de Génie Énergétique, 12, rue des Entrepreneurs, 90 000 Belfort, France c School of Natural and Environmental Sciences, Coventry University, Coventry CV1 5FB, UK |
| Abstract: | The present work has been carried out in order to design a new type of ultrasonic reactor consisting of a double-structured tank. The inner working compartment is built with a slant bottom to allow a better ultrasonic transmission. This paper reports the effect of the inclination angle on acoustic efficiency for several different plates, e.g. two plates made of glass (2 mm and 3 mm thickness) and one made of PVC (3 mm thickness). The acoustic efficiency was determined as the ratio of the signal measured by a hydrophone in the presence of the plate to that signal in the absence of the plate. Having optimised the system, the ultrasonic powers in the inner and the outer compartments of the slant bottom reactor were determined by hydrogen peroxide dosimetry. |
| Keywords: | Acoustic efficiency Dosimetry Power ultrasound reactor Transmission |
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