Measurement of the impulsive force generated by colapsing bubble close to a solid boundary

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388998%3A_____%2F11%3A00367963" target="_blank" >RIV/61388998:_____/11:00367963 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Measurement of the impulsive force generated by colapsing bubble close to a solid boundary
Original language description
The article presents experimental results of the acoustical and optical study of cavitation bubble collapse close to a solid boundary in water. The bubble was generated by discharge of low-voltage capacitor into a couple of wires closing a simple circuit. Different distances from the solid wall and different maximum bubble radii were studied. The bubble radius was studied using time-resolved photography and by PVDF film sensor glued on the solid boundary. The illumination was provided by high-power leddiode. Synchronization of the system was provided by pulse generator connected to an oscilloscope. The impact power of the bubble to the wall was estimated from the time-resolved photography of the bubble and from the PVDF film sensor signal. The PVDF film sensor calibration was performed by a pendulum test to estimate the impact force.
Czech name
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Czech description
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Project
<a href="/en/project/GAP101%2F10%2F1428" target="_blank" >GAP101/10/1428: Collapse and fission mechanisms of ultrasonically excited cavitation bubbles near a solid boundary in Newtonian liquid</a><br>
Continuities
Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year
2011
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
International Conference Experimental Fluid Mechanics 2011
ISBN
978-80-7372-784-0
ISSN
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e-ISSN
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Number of pages
6
Pages from-to
309-314
Publisher name
TU Liberec
Place of publication
Liberec
Event location
Jičín
Event date
Nov 22, 2011
Type of event by nationality
EUR - Evropská akce
UT code for WoS article
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