Author Topic: Flow Viz Paint in Formula 1  (Read 3819 times)

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Offline aircap

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Flow Viz Paint in Formula 1
« on: August 05, 2018, 12:21:52 AM »
I found this article very interesting....
You would think the F1 guys have airflow all figured out.
Not so....

http://formula1-dictionary.net/flow_viz_paint.html
"Act your age, not your shoe size". - Prince

Offline SPARKY

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Re: Flow Viz Paint in Formula 1
« Reply #1 on: August 05, 2018, 08:29:35 AM »
When I used to fly gliders we used mineral oil and carbon black with a kitchen baster to put "black dots"   we may try something similar if we don't run out of time and money :-D
Miss LIBERTY,  changing T.K.I.  to noise, dust, rust, BLUE HATS & hopefully not scrap!!

"Security is mostly a superstition. It does not exist in nature, nor do the children of men as a whole experience it. Avoiding danger is no safer in the long run than outright exposure. Life is either a daring adventure or nothing."   Helen Keller

We are going to explore the racing N words NITROUS & NITRO!

Offline wobblywalrus

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Re: Flow Viz Paint in Formula 1
« Reply #2 on: February 11, 2020, 03:52:57 PM »
The 2020 Ferrari.  There are some comments about its aerodynamics.  https://www.bbc.com/sport/formula1/51421130

Offline wobblywalrus

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Re: Flow Viz Paint in Formula 1
« Reply #3 on: February 26, 2020, 11:04:56 AM »
This article, near the bottom of the first page, shows an "aero rake" data collection setup.

https://www.bbc.com/sport/live/formula1/50296998

Offline manta22

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Re: Flow Viz Paint in Formula 1
« Reply #4 on: February 26, 2020, 11:45:36 AM »
Sometimes the key to solving aerodynamic problems is just a swarm of gnats.

https://drivetribe.com/p/porsche-917-chassis-006-and-008-M_aXEhJ3TUqU-UzBHAx3pg?iid=VDeF5XaOTvKgoLZNIdT1yw
Regards, Neil  Tucson, AZ

Offline Bratfink

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Re: Flow Viz Paint in Formula 1
« Reply #5 on: April 07, 2020, 02:15:50 PM »
This article, near the bottom of the first page, shows an "aero rake" data collection setup.

https://www.bbc.com/sport/live/formula1/50296998

I've build and logged with a couple of those over the years. They are handy, but only for looking at local flow characteristics. They tend to ruin the flow for other measurements downstream.

Florescence is a good visualization tool but 3 things need to be considered.
1) It doesn't show where the flow is going, it shows were it's not going. The fluid pools in areas of low flow. rather than thinking of it as looking at velocity, it's more like surface Cp.
2) It only shows near wall flow. You learn nothing of boundary layer thickness, turbulence or any other factors that influence drag/DF.
3) It makes a real mess everywhere! Between that and clay I almost always have to throw away my clothes when I come back from a tunnel test.