Behavior of bubble pulse in food processingusing underwater shock wave

The food processing technology using a shock wave can prevent deterioration of the food by heat because it can process food in a short time. However, in order to process safely, it is important to clarify the behavior of the shock wave because the action to the food by a shock wave is complicated. I...

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Bibliographic Details
Published inThe international journal of multiphysics Vol. 4; no. 2; pp. 113 - 124
Main Authors Hamashima, H, Shibuta, M, Nishimura, Y, Itoh, S
Format Journal Article
LanguageEnglish
Published 01.01.2010
Subjects
Bubbles
Computer simulation
Explosions
Food processing
Foods
High speed
Mathematical models
Shock waves
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Summary:The food processing technology using a shock wave can prevent deterioration of the food by heat because it can process food in a short time. However, in order to process safely, it is important to clarify the behavior of the shock wave because the action to the food by a shock wave is complicated. In this research, in order to investigate the behavior of the shock wave in the container used for food processing, the optical observation experiment and the numerical simulation were performed. In the experiment, the bubble pulse generated by explosion was observed with the high-speed video camera. The numerical simulation about the behavior of bubble pulse was performed using analysis software LS-DYNA. Comparing and examining were performed about the experimental result and the numerical simulation result. The shock wave generated by explosion, the shock wave generated by the bubble pulse of the explosion gas, and the behavior of the bubble pulse was confirmed.
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ISSN:1750-9548
2048-3961