A 3D Karman Vortex Street in Water

A 3D Karman Vortex Street in Water

By Joseph Straccia and Team: Peter Brunsgaard, Max Scrimgeour, Jeremy Parsons

Team 10 – Team Third Assignment

A 3-D Karman vortex street behind a cylinder in water seeded with gravity fed dye injection into the wake. Experiment conducted on the ITLL flume.

 

joseph_straccia_karman_vortex_street_edited_compressed

An inverted image (negative) from the same series:

joseph_straccia_karman_vortex_street_invert_compressed

Experiment report:

jstraccia_team_third_report_121516

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18 Comments. Leave new

  • […] Visualization of the von Karman Vortex Street Courtesy: Joseph Straccia […]

    Reply
  • Daniel Luber
    Dec 11, 2016 22:56

    Very very cool. The edited image and how you made it look like flames, awesome! the contrast and focus are truly exceptional.

    Reply
  • Jason Savath
    Dec 7, 2016 12:40

    Wow! This is by far my favorite out of the Von Karman flows. Especially how the photo was edited to create a flame image. Very Beautiful.

    Reply
  • Michael Waterhouse
    Dec 5, 2016 12:51

    Very interesting setup. Great explanation. I like how you added a second photo with different editing to see more of the physics behind the fluid flow.

    Reply
  • Sean Harrison
    Dec 5, 2016 12:39

    Really cool setup. The contrast is magnificent. Focus is superb and the image shows the effect really well. Excellent job.

    Reply
  • Daniel Bateman
    Dec 5, 2016 12:31

    Great images! Nice job getting a really difficult phenomenon. There is good contrast between the white background and the injected dye, and the shedding behavior is clear and really makes the image.

    Reply
  • Alexander Rosenberry
    Dec 5, 2016 12:24

    Wow, stunning. You guys put a ton of effort into this picture, its impressive! I think its very interesting how the negative is so similar to a flame.

    Reply
  • Theo Petrides
    Dec 5, 2016 12:24

    – Cool photo, I really like the negative looks like turbulent flames coming out from the sun.
    – Great use of resources and understanding of the physics behind it.

    Reply
  • Stephanie Mora
    Dec 5, 2016 12:23

    Very awesome picture! Amazing focus. All the details, the twists of the vortexes, it looks like smoke almost. Love the simplicity.

    Reply
  • Michael Lloyd
    Dec 5, 2016 12:23

    This image has cool color, and I like the solid white background. Some of the color on the right edge looks overexposed and details lost, but that might just be due to the mixing.

    Reply
  • Really great focus on the dye in the wake. All your hard work at the flume paid off!

    Reply
  • Mark Noel
    Dec 5, 2016 12:21

    So beautiful! Great contrast and color. The focus is great

    Reply
  • Zachary Cymanski
    Dec 5, 2016 12:21

    Wow! amazing image, the contrast between the background and fluid flow is fascinating. The fluid flow is very mesmerizing with the blue dye.

    Reply
  • Harrison Lien
    Dec 5, 2016 12:20

    Wow! Nice image! The fluid flow is really crisp, well represented. Nice!

    Reply
  • Jeremiah Chen
    Dec 5, 2016 12:19

    Great image, the white background is a great contrast with the von Karman vortex. A very unique flow that isn’t seen very often.

    Reply
  • Preston Marcoux
    Dec 5, 2016 12:19

    I really enjoy the inverted image as it gives a different story and it reminds me of juggling fire. I really like your work here you’ve done a fantastic job in capturing a unique image to this course.

    Reply
  • Ryan Daniel
    Dec 5, 2016 12:19

    Awesome visualization of this fluid phenomena. The bright white background gives this image a great contrast range and makes the blue very vibrant. Nice setup and capture!

    Reply
  • Tianzhu Fan
    Dec 5, 2016 12:19

    Great picture that shows turbulent flow across the cylinder. Very cool processing.

    Reply

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