Blue and Green food coloring diffusing through water, in blue is a vortex ring becoming turbulent.
Riley Kenyon
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Flow Vis Guidebook
- Introduction to the Guidebook
- Overview 1: Phenomena. Why Does It Look Like That?
- Overview 2: Visualization Techniques
- Overview 3: Lighting
- Overview 4 - Photography A: Composition and Studio Workflow
- Overview 4 - Photography B: Cameras
- Overview 4 - Photography C: Lenses - Focal Length
- Overview 4 - Photography C: Lenses - Aperture and DOF
- Overview 4: Photography D: Exposure
- Overview 4 - Photography E - Resolution
- Overview 5 - Post-Processing
- Clouds 1: Names
- Clouds 2: Why Are There Clouds? Lift Mechanism 1: Instability
- Clouds 3: Skew - T and Instability
- Clouds 4: Clouds in Unstable Atmosphere
- Clouds 5: Lift Mechanism 2 - Orographics
- Clouds 6: Lift Mechanism 3 - Weather Systems
- Boundary Techniques - Introduction
- Dye Techniques 1 - Do Not Disturb
- Dye Techniques 2 - High Visibility
- Dye Techniques 3 - Light Emitting Fluids
- Refractive Index Techniques 1: Liquid Surfaces
- Refractive Index Techniques 2: Shadowgraphy and Schlieren
- Particle Physics: Flow and Light
- Dilute Particle Techniques - Under Construction
- Particles 2: Aerosols
- Particles 3: In Water - Under Construction
- Art and Science
- TOC and Zotpress test
- Photons, Wavelength and Color
43 Comments. Leave new
That is a really clear shot of a vortex ring. The white background is perfect for what’s being represented here.
Great colors, I like how there are two instead of just one like a lot of the other dye photos. The background is soft and the subject is the main focus of the picture which is great. Nice job!
Great mix of colors in this picture that makes it very visually appealing. The light background was a good idea. Interesting depiction of flow visualization. The focus and contrast and shutter speed in this image are done very well.
I really enjoyed this flow and the color choices! the contrast worked really well
Wow this is really beautiful. The contrasting dark colors with the light background looks really good. Grad focus.
This is beautiful. I like the contrast and coloring in this picture. It’s great how you’re showing both cases with the ring formed and not formed. Great background. Have you considered it the other way around, for example having a dark background and glowing fluid instead? Maybe through using photo editing.
I enjoy the color choice of blue and green in the image, especially where they mix with each other on the edges of the ring. Was the sharpness turned up in the editing process.
Love the colors. The image did come out grainy in a few places, but this doesn’t detract. I think the solid white background does this justice.
Really nice picture! The graininess works well.
Art: Beautiful color and excellent composition!
Flow: Whoa!! It looks like a jellyfish!
technique: stellar. Really beautiful use of light.
The flow that is imaged here is really cool. The different colors add an additional element to the aesthetics of the image. The focus is really good in this image too, making it really pop against the white background.
Very nice image. I like how the green stream is appearing like it is chasing the blue one. Beautiful ring at the bottom right corner!! Great job in choosing the background, the focus and lighting.
I love the color choices and the solid white background, the framing very nicely draws the eye towards the blue ring. The focus and exposure are good.
Your contrast in the image and use of different colors really makes this piece. Good job in determining proper contrast
This image is very cool. The focus and color contrast are very striking. The vortex ring is really cool.
Art
Really nice!!! It nicely demonstrates aesthetics of oddness :)
Flow
You nailed it! I really like the dynamics you captured. The shape of the ring disintegrating is sooo cool. The widnall instability is pretty cool.
Photographic Technique
Nice. Everything is space and time resolved and in focus with good lighting.
Very beautiful flow with grandiose colors with white background making the flow more beautiful. Cool flow physics with vortex ring.
I really like the different rings that spread out from the food coloring droplets. The white background really makes the colors pop and it looks very crown-like with the way the smaller vortex rigs form off the original rings.
I really like how the plane background really brings out and helps the colors pop out. Very nice and mesmerizing color distinction.
This looks like it was taken through a microscope, really nice contrast, and the shapes of the dye are great at drawing the eye. Some of the lighter colors could maybe be brought out more. Overall very nice.
Very beautiful image, I like the color combination you have, create a beautiful contrast. The composition of the image is beautiful as well. The flow is very clear and image is clean. Great job.
Really beautiful image, especially like the colors and how they flow into each other. The vortex is clear and I like the wisps of dye everywhere else. Nice image!
Smoky. I like how the vortex turbulent rings are at different stages in time, displaying complete rings and developing rings. The adjusted background helps display the differences in contrast between the blue and green fluids.
Good shot and cool colors with the background. The green in the top left seems a bit grainy. Not sure what that is from but I wonder if your post-processing had something to do with that.
I really like the pattern on the right bottom corner. The pattern of blue color looks a beautoful ring. Nice white background.
The contrast is very well done, and the flow of the green and blue dye form a very interesting flow pattern. The image might be a little grainy though.
Very interesting picture, very colorful. Good focus, exposure and timing. Flow is understandable.
A really great image. Love the variety of color in the image and the contrast with the background. The focus is good.
This is awesome, I love the colors, the background, the composition….. pretty much everything. Excellent photography work as well.
I absolutely love the green and blues of this image. The white background is lovely. The flow is beautiful and the image is wonderful.
I wouldn’t change anything.
I really like the white background, it does an amazing job of bringing out the colors in the blue and green dyes. Well done on the focus.
Really nice capture of flow. Love the gradient of intensity you can really visualize the way the dye interacting with the water. Nice lighting, focus and composition.
The colors in this picture are really amazing. The focusing and the sharpness are awesome. Very high quality picture!
Great image composition. The colors are great and the focus is very sharp. What ISO did you use? There is a bit of grain in the photo that makes the phenomena seem less smooth.
Great colors, I like the contrasts. Also great background, the all white looks good. My only suggestion might be to change the ISO, it looks a bit grainy.
This is absolutely beautiful. The focus is sharp and the colors were a very nice choice.
Really love the colors and contrast between the food dye and background. It looks like some bacteria in microlevel. Looks great
I really enjoy the horizontal movement in this photo and the colors complement each other nicely.
This is a fantastic image. The way the fluid and color fill up the entire frame is captivating.
The ring in the bottom right of the image certainly draws the eye. I really like the coloring in this image. The contrast between the white background and the bright food coloring is awesome.
I like the white background, it makes the flow very obvious and fun to look at
Love the white background against the colors of the food coloring. The contrast and focus in this image are spot-on.
Great demonstration of flow, and nice use of color. Thoroughly enjoyable to look at in an artistic sense.