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Search took 0.01 seconds. Search: Posts Made By: ryannoe
Forum: Aerodynamics 01-14-2013, 11:07 PM
Replies: 1
Views: 1,516
Posted By ryannoe
Aerodynamic Flow Visualization Video

Hey guys,

I found this gem and a few others on Youtube.com, and thought I would share them with you (view other videos by the same uploader).

Remember that pressure drag is the #1 cause of...
Forum: Aerodynamics 01-07-2013, 11:14 PM
Replies: 50
Views: 8,261
Posted By ryannoe
Just for you guys. ...

Just for you guys.

http://www.youtube.com/watch?v=Rr__1BmaFN0&feature=youtu.be

-Ryan
Forum: Aerodynamics 01-07-2013, 10:00 PM
Replies: 36
Views: 10,812
Posted By ryannoe
I don't doubt your observations and I'm mulling...

I don't doubt your observations and I'm mulling over why I think you're experiencing the negative MPG.

However, I think you have turbulent and laminar flow flip-flopped. Laminar flow will...
Forum: Aerodynamics 01-05-2013, 06:15 PM
Replies: 10
Views: 2,355
Posted By ryannoe
I appreciated Wungun's thoughtfulness to think of...

I appreciated Wungun's thoughtfulness to think of us when he stumbled across this article. If duplicates start to plague the forum, I'm sure the moderators will start deleting. Until then, why don't...
Forum: Aerodynamics 01-04-2013, 04:55 PM
Replies: 36
Views: 10,812
Posted By ryannoe
They were used to improve downforce... What...

They were used to improve downforce... What happened in the EVO's circumstance is flow separation decreased the authority the spoiler had. No flow over the spoiler.

The vortex generators were...
Forum: Aerodynamics 01-04-2013, 09:49 AM
Replies: 36
Views: 10,812
Posted By ryannoe
Chaz - Something irritates me about the way you...

Chaz - Something irritates me about the way you present your thoughts. I'm going to try and bandaid as much of your rash as I can.

Car designers have a lot of missions to fill, regulations to...
Forum: Aerodynamics 01-02-2013, 12:25 AM
Replies: 6
Views: 4,875
Posted By ryannoe
A ballpark figure is just that... but... My...

A ballpark figure is just that... but...

My initial response is no because drag is a factor of density... and density is a factor of two variables: pressure and temperature.

Since there are two...
Forum: Aerodynamics 01-01-2013, 11:47 PM
Replies: 6
Views: 4,875
Posted By ryannoe
Thanks for digging up the drag equation, but lets...

Thanks for digging up the drag equation, but lets look at it as a percentage.

Since we are comparing only temperature differences to our drag, we can simplify EVERYTHING down to only a ratio of...
Forum: Aerodynamics 01-01-2013, 10:29 AM
Replies: 206
Sticky: CdA list
Views: 245,595
Posted By ryannoe
Hey guys, I see some of you are concerned about...

Hey guys, I see some of you are concerned about digitally finding your frontal area and looking up your Cd values so you can calculate your CdA but why?

CdA is what we call Flat plate Drag (FPD)...
Forum: Aerodynamics 12-31-2012, 10:17 PM
Replies: 50
Views: 8,261
Posted By ryannoe
Happy New Year! I completed testing on a...

Happy New Year!

I completed testing on a 2010 Civic for comparison to the 2012 Prius.

The airflow acted completely differently.

I know the camera angles are not ideal for a good comparison...
Forum: Aerodynamics 12-31-2012, 10:13 AM
Replies: 50
Views: 8,261
Posted By ryannoe
Hey guys, I'm at work and Youtube.com is banned...

Hey guys, I'm at work and Youtube.com is banned :)

However, search for videos by ryannoe86. There should be three (ignore the motorcycle one :D ). The other two are videos for you!

Enjoy!
...
Forum: Aerodynamics 12-30-2012, 10:58 PM
Replies: 50
Views: 8,261
Posted By ryannoe
Got a little work done today and the results may...

Got a little work done today and the results may be shocking!

The flow on the back of the Prius is NOT attached.

My partner and I have the frontal and bottom of the vehicle left to tuft, but...
Forum: Aerodynamics 12-27-2012, 06:01 PM
Replies: 50
Views: 8,261
Posted By ryannoe
Tuft Testing Prius Part 1

Ok... ok... so I didn't get the rear of the car tufted.

My helper had a wedding to go to and we thought we'd have more time to get it done.

But we did get the upper side of the car completed....
Forum: Aerodynamics 12-26-2012, 10:33 AM
Replies: 148
Views: 277,982
Posted By ryannoe
When a boat pushes through the water, it creates...

When a boat pushes through the water, it creates a bow wave (high pressure area in the front, just like cars). This bow wave lifts the front of the vessel and raises the angle of attack of the boat....
Showing results 1 to 14 of 14

 
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