Experimental and theoretical characterization of sonochemical cells. Part 1. Cylindrical reactors and their use to calculate the speed of sound in aqueous solutions
Birkin, Peter R., Leighton, Timothy G., Power, John F., Simpson, Matthew D., Vinçotte, Aurore M.L. and Joseph, Phillip F. (2003) Experimental and theoretical characterization of sonochemical cells. Part 1. Cylindrical reactors and their use to calculate the speed of sound in aqueous solutions. Journal of Physical Chemistry A, 107, (2), 306-320. (doi: 10.1021/jp014532t)
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Official URL: http://dx.doi.org/10.1021/jp014532t
Description/Abstract
The sound field generated from a cylindrical sonochemical cell is discussed in depth. This sound field is considered with a variable operating frequency. An acoustic model is developed to predict the spatial distribution of acoustic pressure, which is compared with experimental measurements of the spatial characteristics of luminescent emission from a cylindrical cell. A sound speed (averaged in space and time) within the cavitation environment in the range of 868-1063 m s-1 was calculated. Under certain assumptions, this corresponds to a void fraction range of 2.9 × 10-3 to 4.2 × 10-3%. The implications for electrochemical and chemical activity within cylindrical cells are discussed.
| Item Type: | Article |
|---|---|
| ISSN: | 1089-5639 (print) |
| Uncontrolled Keywords: | adsorptive stripping voltammetry, acoustic cavitation, mass-transport, ultrasonic frequency, power ultrasound, sonoluminescence, degradation, media, microelectrode, electrodes |
| Related URLs: | http://dx.doi.org/10.1021/jp014532t |
| Subjects: | Q Science > QD Chemistry Q Science > QC Physics |
| Divisions: | University Structure - Pre August 2011 > School of Chemistry |
| ePrint ID: | 19908 |
| URI: | http://eprints.soton.ac.uk/id/eprint/19908 |
| Deposited On: | 23 Feb 2006 |
| Last Modified: | 01 Jun 2011 04:56 |
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