Single-bubble sonoluminescence

Campbell, Rachel K.

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https://hdl.handle.net/2142/15965 Copy

Description

Title

Single-bubble sonoluminescence

Author(s)

Campbell, Rachel K.

Issue Date

2010-05-18T18:52:55Z

Director of Research (if dissertation) or Advisor (if thesis)

Suslick, Kenneth S.

Department of Study

Chemistry

Discipline

Chemistry

Degree Granting Institution

University of Illinois at Urbana-Champaign

Degree Name

M.S.

Degree Level

Thesis

Keyword(s)

• Single-Bubble Sonoluminescence (SBSL)
• Surfactant
• Sulfuric Acid

Abstract

To gain insight into the mechanism by which nonvolatile species enter a cavitating bubble’s core and emit light, sulfuric acid (H2SO4) and a surfactant sodium dodecyl sulfate (SDS) were explored for studies of single-bubble sonoluminescence (SBSL) to test the heated shell model of nonvolatile vaporization. It was found that the surfactant SDS underwent a chemical reaction, entered the bubble’s core and emitted light as evidenced by the presence of C2 emission bands in the spectra; however, the mechanism could not be clearly determined due to translational bubble motion, which could inject droplets of solution into the bubble’s core. Through the use of dual frequencies to stabilize the translational bubble motion, some evidence was shown against the heated shell model when the C2 emission bands remained present without reduced intensity in the spectra after the translational bubble motion had been greatly reduced.

Graduation Semester

2010-5

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http://hdl.handle.net/2142/15965

Copyright and License Information

Copyright 2010 Rachel K. Campbell

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