Kenneth S Suslick, Raymond E. Cline, David A. Hammerton

Research output: Contribution to journalArticlepeer-review


Using comparative rate thermometry it was possible to determine experimentally the effective temperature created during acoustic cavitation in liquids. The sonochemical reactions of a series of volatile metal carbonyls have been used as chemical dosimeters in alkane solvents. The existence of and conditions present in two reaction sites during acoustic cavitation are established: a gas phase hot-spot with an effective temperature of 5200 K and an enveloping, heated liquid shell with an average effective temperature of 1900 K. A simple conduction model of thermal transport in the liquid reaction site gives qualitative agreement with the chemical dosimetry, and predicts that the liquid reaction zone extends for 200 nm from the surface of the collapsed cavity and has an effective lifetime greater than 2 mu s.

Original languageEnglish (US)
Pages (from-to)1116-1121
Number of pages6
JournalUltrasonics Symposium Proceedings
StatePublished - 1985

ASJC Scopus subject areas

  • Engineering(all)

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