hello, i have a project of a small turboshaft turbine with regenerator to produce a power of 140 kW, with aplications on ligth helicopters and industrial co-generation. does aonyone knows here i can f...
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I am having trouble relating the two quantities of dynamics and static pressure in: 1/2p*v^2 + p = constant, bernoullis equation, to corresponding physical descriptions. In what way do the air molecul...
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is the formula below valid to calculate the lift coefficient for a delta wing?
Cl=2*L/(rho*v^2*A)
L=lift (N)
rho= air density
v= air velocity
A=wing area
im doing a subsonic wind tunnel p...
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Hi,
I just wanted to verify that the Torque that the friction of a pivot would exert against the oscillation of a pendulum was:
Torque = LaTeX Source CodeThe following code was used to generate ...
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I'm just beginning to study aerodynamics, and i was wondering if anyone could list the topics, fields, and types of math that are used in textbooks, research papers, journals etc. that one would read ...
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A few weeks ago I discovered this [http://www.erikbrinkman.com/scroller/]>, it's a design for bearings that don't use ball bearings, or liquids, gases or magnetic fields. It works in a similar way to ...
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Hello all
I have attcahed a WORD file that has a diagram that exlains the problem.
When you open the file, you would see that I have a inclined part (called ramp) that pivots on a base. A ball (l...
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i was reading about pulse jets and ram jets as part of my course on jet propulsion. all i was told was that they are aero-thermo-dynamic-ducts.
couldn't understand what they mean. checked google, ...
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i was reading about pulse jets and ram jets as part of my course on jet propulsion. all i was told was that they are aero-thermo-dynamic-ducts.
couldn't understand what they mean. checked google, ...
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Can some one spread more light on coanda profile its effects ,calculations etc...
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Hey surely you guys have heard of the x-zylo toy?
Its a toy that has been known to fly 200+ yards.
If you dont know about about it, do a google search on it.
How does it work?...
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Hello guys,
I'm a second year BSc aerospace student in Holland, and I'm thinking about making a gas turbine engine. I hope to specialize in powerplants eventually. You people seem knowledgeable, so...
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just out of curiosity
Would the combination of many smaller refrigeration compressors do the job with exact efficiency of one larger one for a specific volume....
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Is it posible to make a large trailer truck size refrigerator using solar panels as an energy source? Is it posible to have the refrigerator run totaly on dc??...
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I have been stumped by this problem...
If you have a vertial cable under tension of say 800N and you apply a horizontal tension at its mid point (node A), how can you calculate the horizontal defle...
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Hi every body ,anyone can give me any idea about my Question !!...
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So, I have searched the globe to find the derivation of the conservation of energy equation in 3D cylindrical coordinates. I have looked in about every heat transfer, thermodynamic, thermofluid books...
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Hi,
I have some questions about helicopter aerodynamics. I have been searching the web (and this forum) up and down but I could not find the answer. Maybe you can help.
I want to calculate the cru...
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Hi,
i m elect. engg and i wanna help frm mech ppl here,
Why the turbine has stages like hp, ip and lp? Why not a single long turbine? I also want to know that if we want to trip a large turbine used...
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Currently on a forum about water guns there is a debate going on about what determines a water gun's performance between pressure and force. On one side are people who say that higher pressure differ...
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What are the governing equations for compressible fluid flow?
Specifically; methane gas inlet pressure of 25 psi through a 3/8" dia. pipe and I need to relate this to a methane flow of 392,000 B...
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hi, ive been tryign to work out the stress at a point for a T X-section area of a beam. However, the T-shape IS NOT symmetrical.
The general formula is Ixy = Ixy g + AXY (X = X bar and Y = Y bar)
...
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I have a B.S.M.E. and now considering going back to get a MA in mathematics. Would this be a good career move or should I consider a MS in mechanical? I enjoy ME however I also enjoy mathematics. I am...
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Could I build a boat that skims across the surface of a lake like a stone and only needs an injection of thrust from an engine now and again to keep it going? Perhaps such a boat would have a rotating...
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Thanks for all the help with the information you all gave me on making an motorcycle carrier on the back of my Motor-home, I downsized from wanting to carry my Goldwing (800#) to carrying my Suzuki 40...
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