Questions:
1. Passive air intake (no fan) body moving under 100 mph, which air intake is most efficient?
2. Active powered fan situation, body moving under 100 mph, which air intake system is mo...
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hey guys can any1 tell me wats the concept behind cars using compreesed air as fuel.......
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I am wanting to create a moderate amount of suction with a blower fan and I am trying to figure out the relationship between static pressure and airflow measured in CFM. Does higher CFM necessarily g...
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Anyone has come accross the problem of a cable deflection (static) under the effects of wind? Iam looking into the problem of the deflection of the electric contact wire of a train (the wire above the...
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I am having a problem determining the equation to use here. I want to find the energy to compress hydrogen using a pump from a low pressure to a high pressure. Do I use an isothermal or an adiabatic e...
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Hi,
A vehicle land on a mountain of 4400ft.The Engine delivers 400hp to the wheels and careful streamlining has resulted in a drag coefficient of 0.5,based on a 20ft^2 frontal area.Compute the max...
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Hi,
velocity of air=0, an airfoil or wing with is moving forwards with a velocity of 40m/s at an altitude of 1100m. At a certain point close to the wing (which is a point on top of the wing) ,the...
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Hey,
I have this theory about static and dynamic pressure generated by a propeller, but I might be wrong, so I could use some comments on this.
Its kinda long and whiney, but well.. here goes;
...
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which CAD software is mostly used by professional engineers???
i have worked on UGS NX3, Dassault Systems solid works, Dassault System Catia V5R16, PTC Pro E.
i work really well on NX3 and catia(acc...
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Hopefully someone here can help me. My schooling is in computer engineering, and so I lack knowledge in mech eng. Anyway, I am helping a friend build a small hoist on his ranch that will be used for p...
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other a bumpy ride and maybe expedient suspension/drivetrain wear, are there any reasons why you would not want solid ( solid rubber, tubeless) tires on a bicycle?...
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Hey,
Yet another propeller question on this board.
I have done my research, both here & on google, but I cannot seem to find an answer.
Lets say I have a motor on wich I mount a propeller....
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What makes the air, flow much faster on top of the airfoil, when compared with the bottom surface? In engineering terms, why is there a relatively higher rate of change in velocity over the top surfac...
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Hi. I am becoming very interested in taking an Aerospace Engineering course at University in a couple of years. I am wondering if to be Knowledgeable and Successful in Aero-Eng, is a degree in, or at ...
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I am working on a design for a page turner, and I want to use suction as the means for turning the pages. I was thinking of using a fan or something attached to some tubing with a suction cup on the ...
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hey can anyone give a calculator(like any html link) or something of that sort which can convert units, like from british system to SI units and vice versa. looking at the tables everytime is sooooo b...
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sup y'all
i'm a newbie. im a graduate from South Africa and dooing my intenship with a mining company in South Africa. i just need ur input....... jus read below
iv gt a personal project into t...
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hmm hi
i just discovered this forum :)
and i just loved it
have been looking around for something like this for some time :)
i just went through the engine sound thread a while back
i have two ...
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Air or Water:
I'm looking for information on fan and propeller shapes (ducted and non-ducted) which might lead to more quiet if not more efficient shapes.
Noise is lost energy just as heat is los...
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does anyone know how the rollers and motors are place in the U-shaped part of a curved conveyor belt used in airports??
any links or pics would be appreciated ??...
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Dear all
I need theoretical backround regarding shape of the compressor tanks or tanker lorries as well as gas carrying containers .
Why such are round shape instead of rectangle or square?
Any...
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Hi
What kind of problems ESD can cause to a helicopter? Blades are usually made from a carbonfibre and they can cause electrostatic charge into a helicopter structure. Is there any method to preven...
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I just graduated with a BSME, so it might be my inexperience speaking here, but I can see ME as it is now ceasing to exist in the future or at least having some major changes.
New technology (i.e....
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hi
im a mechanical engineering student, and we are building an electric using a 3 phase 40 hp AC motor, which is oil cooled. The motor must be submerged in oil that is then circulated... the motor ...
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I need to test a model rocket which will have average airspeeds around 200 mph. I am hoping to construct a plexiglass box about 9 feet long, 3 feet wide and 3 feet tall. For these dimensions and air...
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