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Comparison study of passive acoustic mapping and high-speed photography for monitoring in situ cavitation bubbles.
- Source :
- Journal of the Acoustical Society of America; Jun2019, Vol. 145 Issue 6, pEL604-EL610, 7p
- Publication Year :
- 2019
-
Abstract
- The spatiotemporal accuracy of passive acoustic mapping (PAM) for monitoring in situ cavitation bubbles has not been assessed directly via optical means. Here, the cavitation bubbles are monitored from two image sequences obtained simultaneously with PAM and high-speed photography (HSP). The temporal accuracy of PAM for detecting cavitation nucleation and the spatial resolution for cavitation localization are compared with those measured from HSP. The results show that PAM has a temporal accuracy of 20 μ s. Mean differences in the spatial locations of PAM and HSP are as small as 10.0 and 30.5 μm along the lateral and axial directions, respectively. [ABSTRACT FROM AUTHOR]
- Subjects :
- HIGH-speed photography
CAVITATION
BUBBLES
Subjects
Details
- Language :
- English
- ISSN :
- 00014966
- Volume :
- 145
- Issue :
- 6
- Database :
- Complementary Index
- Journal :
- Journal of the Acoustical Society of America
- Publication Type :
- Academic Journal
- Accession number :
- 137252691
- Full Text :
- https://doi.org/10.1121/1.5113961