Schlieren

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Schlieren

• German for streaks

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Schlieren Principles

• In Schlieren photography, small disturbances in
  light rays between the source and image are
  visible in the camera due to the small change of
  angle to the light rays. These disturbances are
  caused by small changes in refractive index and
  density gradients changes.

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Schlieren uses

• Aeronautical Engineering/Fluid dynamics

• Art

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More images Sweet!
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(No Transcript)
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Setup

• 2f system of a small point source
• Knife edge to disturb light and increase
  sensitivity
• Spherical mirror
• Camera

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Contest

• Submit a picture to the contest by saving it onto
  the desktop with you lab name and time and the
  word contest (Example TuesMorn_A_Contest.jpg)
• If you didnt save a contest image onto the
  computer, just email me the image you want to
  submit, one per team.