Acoustic cavitation = creation, expansion and collapse of tiny bubbles in a fluid by sound waves - PowerPoint PPT Presentation


Title: Acoustic cavitation = creation, expansion and collapse of tiny bubbles in a fluid by sound waves


1
Science 8/3-2002
Acoustic cavitation creation, expansion and
collapse of tiny bubbles in a fluid by sound
waves Sonoluminescence collapsing bubbles give
off photons as they collapse
2
(No Transcript)
3
Until repliction, confusion, not fusion, is
likely to reign
4
(No Transcript)
5
C3D6O Deuterated acetone
  • 14 MeV neutrons cause small scale vaporaziation
    ? small bubbles
  • Bubbles grow and collapse from acoustic
    shock-waves
  • Sonoluminescence from collapse detected by PMT

6
T
gt106 K
Ri/Rf 104 Vi/Vf 1012
100 nm
1 mm
Enough temp. for D-D-fusion to occur
3He n 2.5 MeV
2H 2H ?
? 50/50
3H p 3.0 MeV
7
(No Transcript)
8
Claimed Production of tritium 2.5 MeV neutrons
time-correlated with bubble collapses
9
Could not be reproduced by other group at ORNL
with better equipment
Forced disclaimer
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Acoustic cavitation = creation, expansion and collapse of tiny bubbles in a fluid by sound waves

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Science 8/3-2002 Acoustic cavitation = creation, expansion and collapse of tiny bubbles in a fluid by sound waves Sonoluminescence = collapsing bubbles give off ... – PowerPoint PPT presentation

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Title: Acoustic cavitation = creation, expansion and collapse of tiny bubbles in a fluid by sound waves


1
Science 8/3-2002
Acoustic cavitation creation, expansion and
collapse of tiny bubbles in a fluid by sound
waves Sonoluminescence collapsing bubbles give
off photons as they collapse
2
(No Transcript)
3
Until repliction, confusion, not fusion, is
likely to reign
4
(No Transcript)
5
C3D6O Deuterated acetone
  • 14 MeV neutrons cause small scale vaporaziation
    ? small bubbles
  • Bubbles grow and collapse from acoustic
    shock-waves
  • Sonoluminescence from collapse detected by PMT

6
T
gt106 K
Ri/Rf 104 Vi/Vf 1012
100 nm
1 mm
Enough temp. for D-D-fusion to occur
3He n 2.5 MeV
2H 2H ?
? 50/50
3H p 3.0 MeV
7
(No Transcript)
8
Claimed Production of tritium 2.5 MeV neutrons
time-correlated with bubble collapses
9
Could not be reproduced by other group at ORNL
with better equipment
Forced disclaimer
About PowerShow.com