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Measurements of the high pressure ultrasonic wave and the cavitation bubble by optodynamic method
Petkovšek, Rok (Avtor), Močnik, Griša (Avtor), Možina, Janez (Avtor)

URLURL - Predstavitvena datoteka, za dostop obiščite http://dx.doi.org/10.1016/j.fluid.2007.01.004 Novo okno

Izvleček
Laser induced breakdown in water represents an abrupt high intensity photoacoustic phenomenon. The pressure front that appears at its site represents an ultrasonic shock wave spreading into surrounding water. At the same time the cavitation bubble develops. The effect of both is particularly important in ocular microsurgery, where Q-switched lasers are used to vaporize the tissue in procedures such as posterior capsulotomy. Formation of the cavitation bubble and the propagation of the sound wave were analyzed by an optodynamic experimental set-up. It is based on two-dimensional scanning technique using a beam deflection probe. From the beam deflection probe signals the time of flights for both the sound wave and the cavitation bubble were determined. By using Hugoniot curves and the two-dimensional time of flight data field the pressure amplitude in the front was estimated. Simultaneously the expansion of the cavitation bubble was also analyzed and its energy was determined.

Jezik:Angleški jezik
Ključne besede:optodinamika, fotoakustika, kavitacija, mehurčki, hitrosti zvoka, ultrazvočni valovi, eksperimentalne metode, photoacoustic, optodynamic, cavitation bubble, sound velocity, laser induced breakdown
Vrsta gradiva:Delo ni kategorizirano (r6)
Tipologija:1.08 - Objavljeni znanstveni prispevek na konferenci
Organizacija:FS - Fakulteta za strojništvo
Leto izida:2007
Št. strani:str. 158-162
Številčenje:Letn. 256, št. 1/2
UDK:535
ISSN pri članku:0378-3812
COBISS.SI-ID:9935643 Povezava se odpre v novem oknu
Število ogledov:447
Število prenosov:183
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
 
Skupna ocena:(0 glasov)
Vaša ocena:Ocenjevanje je dovoljeno samo prijavljenim uporabnikom.
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Gradivo je del zbornika

Naslov:16th symposium on thermophysical properties
COBISS.SI-ID:1314652 Novo okno

Gradivo je del revije

Naslov:Fluid phase equilibria
Skrajšan naslov:Fluid phase equilib.
Založnik:Elsevier
ISSN:0378-3812
COBISS.SI-ID:6362119 Novo okno

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