Cavitation damage on metallic plate surfaces oscillating at 20 kHz

Citation
P. Diodati et G. Giannini, Cavitation damage on metallic plate surfaces oscillating at 20 kHz, ULTRASON SO, 8(1), 2001, pp. 49-53
Citations number
14
Language
INGLESE
art.tipo
Article
Categorie Soggetti
Chemistry
Journal title
ULTRASONICS SONOCHEMISTRY
ISSN journal
1350-4177 → ACNP
Volume
8
Issue
1
Year of publication
2001
Pages
49 - 53
Database
ISI
SICI code
1350-4177(200101)8:1<49:CDOMPS>2.0.ZU;2-W
Abstract
Plates of aluminium (UNI 4507) of about 2.55 cm(2) and 1.0 mm thick, of dif ferent shapes, vibrating in a liquid at a frequency of about 20 kHz and sub jected to strong cavitation damage on their central parts exhibit, on the z one near the edge, a reduction of cavitative effect up to inhibition. We na med this phenomenon, the "border effect". Evidence is reported which demonstrates that the border effect, depending o n the plate velocity, is related to the angle between the plate surface and its direction displacement, that is to the value of the component of the l iquid velocity tangent to the plate. (C) 2001 Elsevier Science B.V. All rig hts reserved.