All Questions
Tagged with aerospace-engineering automotive-engineering
6
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5
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Why did the Mythbuster's dimple car get better fuel economy?
I'm trying to understand why the Mythbuster's dimple car gets better fuel economy - if it actually would as I'm not
I understand that a golf ball functions by creating turbulent air flow and via the ...
- 103
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2
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What are the practical applications of Centre of Mass & Centre of Gravity?
I have learnt COM and COG are different things if we have non uniform gravitational field i.e. mass will be same at anywhere but gravity will be different. I want to find practical examples of both ...
- 57
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For pure rolling , Proof for every point on wheel has velocity = vc + wr
There are 2 texts I have seen for every point on wheels finding out the exact velocity of certain points.
The theory states for all is that : Every point on wheel has total v = rotational + ...
- 679
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Using XFoil to generate data for various Mach numbers
I am attempting to use XFoil to generate a list of coefficients of a given airfoil at a range of speeds.
The first issue I faced is that it appears with XFoil, you give it a Reynolds number (which ...
- 101
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1
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How a turbo jet engine produces thrust
As i read on some website of nasa, that velocity of the gas flowing from nozzle of the jet is responsible for thrust,
But ky confusion is that, as the velocity increases presure should drop at nozzle, ...
2
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3
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Difference between seat belts
Today, I was thinking about seat belts.
On that note, why do the ones in cars and planes differ? Planes have only belts on the waist, but cars have waist and diagonal. Is there a reason that this is ...
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