The shock compression of microorganism-loaded broths and emulsions: experiments and simulations

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dc.contributor.authorHazell, Paul J.
dc.contributor.authorBeveridge, C.
dc.contributor.authorGroves, K.
dc.contributor.authorAppleby-Thomas, Gareth J.
dc.date.accessioned2010-01-16T14:15:50Z
dc.date.available2010-01-16T14:15:50Z
dc.date.issued2010-04
dc.description.abstractBy carefully selecting flyer plate thickness and the geometry of a target capsule for bacterial broths and emulsions, we have successfully subjected the contents of the capsule to simultaneous shock and dynamic compression when subjected to a flyer-plate impact experiment. The capsules were designed to be recovered intact so that post experimental analysis could be done on the contents. ANSYS® AUTODYN hydrocode simulations were carried out to interrogate the deformation of the cover plate and the wave propagation in the fluid. Accordingly, we have shown that microorganisms such as Escherichia coli, Enterococcus faecalis and Zygosaccharomyces bailii are not affected by this type of loading regime. However, by introducing a cavity behind the broth we were able to observe limited kill in the yeast sample. Further, on using this latter technique with emulsions it was shown that greater emulsification of an oil-based emulsion occurred due to the cavitation that was introduced.en_UK
dc.identifier.citationHazell PJ, Beveridge C, Groves K, Appleby-Thomas G. (2010) The shock compression of microorganism-loaded broths and emulsions: experiments and simulations. International Journal of Impact Engineering, Volume 37, Issue 4, April 2010, pp. 433-440en_UK
dc.identifier.issn0734-743X
dc.identifier.urihttps://doi.org/10.1016/j.ijimpeng.2009.08.007
dc.identifier.urihttp://hdl.handle.net/1826/4150
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.subjectShock waveen_UK
dc.subjectCapsule designen_UK
dc.subjectBacteriaen_UK
dc.subjectYeasten_UK
dc.subjectEmulsificationen_UK
dc.titleThe shock compression of microorganism-loaded broths and emulsions: experiments and simulationsen_UK
dc.typeArticleen_UK

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