Experimental results described in the present paper confirm the hypothesis about cavitational nature of the ultrasonic capillary effect (UCE), which is an abnormally high rise of a liquid in a capillary under the action of ultrasound. In accordance with this hypothesis UCE is associated with the collapse of cavitation bubbles at the capillary entry. Bubbles collapse asymmetrically to form a jets directed to the capillary but-end. By getting into the capillary channel, every such a jet increments the height of the capillary rise. When summed up these increments result in the experimentally observed increase of the height and speed of the liquid rise in the capillary. Theoretical estimations based on this mechanism are in acceptable agreement with experimental results.

Ultrasonic Capillary Effect and Sonoluminescence

FRANCESCUTTO, ALBERTO;
2003-01-01

Abstract

Experimental results described in the present paper confirm the hypothesis about cavitational nature of the ultrasonic capillary effect (UCE), which is an abnormally high rise of a liquid in a capillary under the action of ultrasound. In accordance with this hypothesis UCE is associated with the collapse of cavitation bubbles at the capillary entry. Bubbles collapse asymmetrically to form a jets directed to the capillary but-end. By getting into the capillary channel, every such a jet increments the height of the capillary rise. When summed up these increments result in the experimentally observed increase of the height and speed of the liquid rise in the capillary. Theoretical estimations based on this mechanism are in acceptable agreement with experimental results.
File in questo prodotto:
Non ci sono file associati a questo prodotto.
Pubblicazioni consigliate

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11368/2559198
 Avviso

Registrazione in corso di verifica.
La registrazione di questo prodotto non è ancora stata validata in ArTS.

Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus ND
  • ???jsp.display-item.citation.isi??? ND
social impact