Eli Kopp-DeVol

Eli Kopp-DeVol

A visualization of the laminar flow caused by supercooled water vapor condensing and falling from the hose of a liquid nitrogen dewar.

 

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  • William Tse
    Oct 1, 2018 12:48

    Art: Very interesting video and is a direct display of science.
    Flow: Clearly illustrates a negatively buoyant plum that starts as a laminar flow and eventually develops into a turbulent flow.
    Photographic technique: The slow motion is very nice, to see all the individual streams of nitrogen and textures. Could use some more editing to bring out the art. Jump cut seems a bit drastic.

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  • Chad Sloan
    Sep 24, 2018 16:46

    I think you caught the flow coming off the nitrogen hose beautifully. I really like how you gave us two different angles of the flow as well! It is cool too that a little wind can through the flow off that much.

    Reply
  • Noah Granigan
    Sep 21, 2018 12:03

    Wow, the strings coming off the weave are the most interesting thing here for me. Maybe the background is a little distracting but the industrial feel to it gives the video a cool feel. Interesting stuff going on here!

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  • Duncan Lowery
    Sep 21, 2018 10:46

    Great composition, and lots of depth in the frame. Did you stabilize the video after you took it? A stationary shot, perhaps on a tripod will yield a clearer visualization of the flow. My favorite part is the way the vapor falls in the rays of sun at precisely the same point as the flow becomes turbulent in the first shot. A solid-colored backdrop directly behind the falling vapor would definitely help to highlight the flow itself.

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  • Owen Brown
    Sep 20, 2018 14:49

    This was one of the first posts I saw on this gallery and it really struck me that you found this flow in your work place. Recognizing and capturing the everyday fluid flow is a really special thing! Great job.

    Reply
  • Jeremy Aparicio
    Sep 19, 2018 12:41

    Very interesting video. Definitely a cool phenomena and can see why your coworkers admire this process. Perhaps fading between scenes and maybe some post-processing effects would add some elements, but overall, good job

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  • Joseph Ryan
    Sep 19, 2018 12:37

    This is a good video. I like the jump cut because it makes the whole video loop very well. The fact that it falls down in tendrils is really cool. I wanted to do something with quickly cooling fluids too, so it’s cool seeing someone else doing something similar.

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  • Christopher McFadden
    Sep 19, 2018 12:35

    I like that you got the big nitrogen signs in the video and I think it’s framed really well. I enjoy the panning of the video and the natural light coming in from behind. The background gives a feeling of being In a lab or shop.

    Reply
  • Peilin Yang
    Sep 19, 2018 12:33

    The condense of the flow is pretty beautiful in this vedio. And the detail of the experiment is visible. If the background can be a bit simpler, it would be greater

    Reply
  • Ross Cooper
    Sep 19, 2018 12:32

    This is a really cool video. Watching the flow of water vapor come off is absolutely mesmerizing. I love the angle you chose and the lighting you got. I hope to see more shots using liquid nitrogen in the future!

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  • Winston Douglas
    Sep 19, 2018 12:31

    The use of the nitrogen gas falling down creates a cool flow and it s very pleasuring to watch it. my only suggestion would to set up a tripod or something to keep the shots stable.

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  • Chris Davidoff
    Sep 19, 2018 12:29

    Sweet! That’s cool to see. To make it an artistic photo or video, I suppose you’d have to control the lighting and background. I’m not sure how you’d be allowed to do that but it certainly would be very cool :P

    Reply
  • Ivan Komodore
    Sep 19, 2018 12:28

    The flow is very interesting, I like how you can see the vapor hitting the dewar and redirecting straight down. I think that a more controlled environment would make this look more professional.

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  • Brandon Gushlaw
    Sep 19, 2018 12:28

    Cool phenomena from the nitrogen and its condensation off the piping. You can see the laminar flow change directions from the wind that comes in from the left. Maybe you could get closer or eliminate the background setting.

    Reply
  • Gregory Collins
    Sep 19, 2018 12:27

    The video is interesting I particularly like the individual flows coming off the hose. Do you know why the flow is in tendrils not in a solid layer?

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  • Chase Cleveland
    Sep 19, 2018 12:27

    This is an awesome flow to capture. I like the sheet-like fashion the liquid nitrogen creates as it falls off. I like the transition from laminar to turbulent flow. The shot could have been made a little more stable with a tripod but I kind of like the motion as well. Try using an easier transition between clips.

    Reply
  • Michael Karns
    Sep 19, 2018 12:27

    Really interesting video showing how the cooler air falls towards the ground and the vorticies. Maybe in the future stick to just one frame. This would make an interesting photo too if you really focused on just a few steams.

    Reply
  • Wenjin Li
    Sep 19, 2018 12:27

    Those gas string looks awesome. Nice job on the video recording. I like the angle of view point. Looks awesome.

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  • Charles Keely
    Sep 19, 2018 12:27

    I like the laminar quality to the video! Have you thought about moving the frame closer up? Also consider using a high frame rate and using slow motion!

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  • The bottom view is my favorite as it shows the linear laminar movement going downwards before it becomes turbulent in the air. It is quite visible and shows the process well. Maybe the camera could be a tad closer, but it is also necessary to be far out to show all the flow.

    Reply
  • Matthew Finney
    Sep 19, 2018 12:26

    I think this is a cool real world visualization of fluid flow. The video has good focus and the flow in pleasing.

    Reply
  • Garrett Gerchar
    Sep 19, 2018 12:26

    Very cool video! Like how you can see the condensation forming an falling off the tube slowly towards the ground. Did you attempt to crop the video? Really like how clear the steam is.

    Reply
  • Maxwell Rodgers
    Sep 19, 2018 12:26

    This is a very awesome video to capture. The flow coming off of the hose is a very interesting image. I think a time-lapse of the hose beginning to freeze as the Nitrogen flows would also be a very cool video.

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  • This is really cool! I like that you slowed down the video. I think the only critique that I have would be to try and make the video still to emphasize the flow even more. But this looks really awesome!

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  • Brent T Eckles
    Sep 19, 2018 12:25

    Very cool looking hose, like the white frosting on the top. The unpredictability of the stream is nice to look at.

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  • Ibrahim Alhajji
    Sep 19, 2018 12:25

    Great work and awesome idea. The picture video is really great it the nitrogen gas is visible and create a very cool video.

    Reply
  • Dylan Crane
    Sep 16, 2018 12:35

    It does look really cool and is the epitome of flow! It has a lot of potentials but it is not very artistic. if you could get it into a controlled setting with better lighting it could make some great images.

    Reply

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