Ultrasonic monitoring of film condensation for applications in reduced gravity

Peder C. Pedersen, Zeljko Cakareski, James C. Hermanson

Research output: Contribution to journalArticlepeer-review

24 Scopus citations


The film condensation of vapor on a cooled, downward-facing surface is a complex dynamic fluid phenomenon. This paper will describe the theoretical basis, instrumentation approach, and experimental results for a method for ultrasonic monitoring of film condensation. The ultrasound measurement system utilizes a 10 MHz broadband contact transducer, operating in pulse-echo mode. By appropriate signal processing, condensation layers over a wide thickness range, from much less than a wavelength to several wavelengths, can readily be measured.

Original languageEnglish (US)
Pages (from-to)486-490
Number of pages5
Issue number1
StatePublished - Mar 2000
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Acoustics and Ultrasonics


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