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Mechanical Engineering

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Development of aircraft and space vehicles. Propulsion, Aircraft Structures, Crafts, Atmosphere
Jul23-14 06:21 PM blainiac 
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Gear heads unite to discuss Vehicle Dynamics, Safety Engineering, Performance, NVH, Ergonomics, Durability...
Jul23-14 04:10 PM 1pkm 
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Jan16-12 Greg Bernhardt
Dear all, I checked job numbers on indeed Canada, and when using Pro/ENGINEER and solidworks as search words, I got...
Jun12-14 09:51 AM
23 30,900
Hi everyone, Maybe this resource is new for someone. It's a collection of videos made in the 60's by the very best...
Mar6-13 10:50 AM
61 92,756
I'm here because I'm debating the purchase of a 1/4" thick 6061-t6 aluminum chassis reinforcement plate for a 3000#...
Jan4-11 11:18 AM
0 2,972
Hello everyone, I m working on a project that I want to create linear motion to carry a load which is constructed...
Jan4-11 08:02 AM
1 5,739
Hi I have a pump which for 0 head will provide a max flow of 12 l/min (0.0002 m^3/s). For the piping I am using...
Jan4-11 07:26 AM
5 2,843
I want to buy a book by a particular publication for Pro Engineer Wildfire 3.0 Unfortunately The book is available...
Jan4-11 01:02 AM
1 2,365
Hello PF users: I am looking to perform a fatigue and fracture analysis of a machine component subjected to a 2D...
Jan3-11 01:31 PM
0 1,259
haw can i calculate the thermal energy (watt or BTU ) of the hot air (or the exhaust air of the chimney) according to...
Jan3-11 08:35 AM
4 1,093
Are their any devices currently available that can assist a human in exerting a force of 700 N or greater? Exactly how...
Jan2-11 05:30 PM
11 2,686
If you are not familiar with what a wingsuit is- you should google it. Now... Let's assume we have ourselves a...
Jan2-11 03:32 PM
4 1,622
Hello guys, I am relatively new here. I hope to spend more time here helping and receiving advice more often....
Jan2-11 01:00 PM
4 1,505
I have a question about network flow pressure drop. In a piping system with several identical components in parallel,...
Jan1-11 09:07 PM
4 2,480
hello people. im a aeronautical engineer student and i need to do a work about low speed airfoil.. can anyone tell...
Dec31-10 12:11 PM
4 11,767
Hi, I am working on a case with a flexible cylinder with a flow of air inside and a cross flow of water. This is a...
Dec31-10 07:53 AM
0 584
hi I'm designing a telescope mount and I need a motor which has less than 1 rpm I think I'm going to need ((...
Dec31-10 02:21 AM
6 1,222
My classmate suggested me to use the sound sensor existing in damaged microphone so that I didn't have to waste time...
Dec31-10 01:57 AM
0 715
how do we find the natural frequency of a tower of a wind turbine if, say, the tower is circular hollow cross...
Dec30-10 06:47 PM
6 5,243
I am seeking help for a design solution to run wiring through a rotating shaft spun by a motor. Imagine a display...
Dec30-10 04:06 PM
Bob S
8 2,125
Hi, I have a question regarding the calculation of internal energy of components after collision. In...
Dec30-10 05:23 AM
4 2,179
Hi, I need to know how one can check space and time convergence using Richardson Extrapolation. Does anyone know...
Dec29-10 05:12 PM
5 2,961
hello..i want to do optimisation of a heat to go about..i know engineering equation solver...what and how...
Dec29-10 10:16 AM
0 702
Hi guys, im a bit confuse on how to calculate the power of the motor, the torque and the speed of the motor shaft +...
Dec27-10 11:40 PM
5 2,130
Hi, I'm performing some calculations and I need oil viscosity at 20C. I have checked in some standards like SAE...
Dec27-10 12:19 PM
4 3,871
I need to study the relationship between fluid velocity and time. The fluid is kept in a big open tank before passing...
Dec26-10 10:41 PM
0 705
We are trying to build a solar water heater using a 4' x 10' trough design and are still trying to figure out how to...
Dec25-10 03:29 PM
0 766
Hi I was wondering if anyone could point me towards some resources (I've looked a lot online!), or give me some...
Dec25-10 09:31 AM
7 2,034
Generally the working fluids in a power generating system is either water (steam) or air. This I imagine is because...
Dec25-10 02:52 AM
4 815
I have a motor driving a gearbox. I had DE bearing of the gearbox replaced recently as pitting in the inner race was...
Dec24-10 05:00 AM
3 2,705
Hey, I've wondered about the reasoning behind, or rationale for, the angled big end attachment of the connecting...
Dec24-10 02:59 AM
Ranger Mike
4 2,098
What formula would one use to determine the centrifugal force at the tip of a rotor of 35ft diameter, rotating at...
Dec23-10 09:00 PM
1 1,030
Hi guys wonder if you could help me out with a little project I am working on building.. Basically its a device that...
Dec23-10 06:04 PM
9 2,749
I am designing a system for a class at school. I need to do an analysis on the velocity and acceleration of a vehicle...
Dec23-10 01:36 PM
0 2,177
Hi guys, Here's an interesting problem for you. I'm trying to understand what happens to the temperature of air...
Dec22-10 10:52 PM
6 2,905
Hey guys, I've got a CFD question about the image linked below. Basically, I've got the thing designed and I ran a...
Dec22-10 05:52 PM
5 1,016
Hi, I'm a civil engineering student in a summer internship at the moment but I've come across a mechanical issue....
Dec22-10 02:05 PM
13 2,794
I wonder if there is a mathematical formula to calculate the flow rate of a fan if following parameter are known ...
Dec22-10 12:23 PM
1 2,526
Hi, I need to estimate the sloshing natural frequency, in the three axis of a rectuangular tank, not fully filled...
Dec22-10 05:48 AM
2 1,888
With an average wind speed of 2.67 m/s I am designing a wind turbine which will pump a 1m head of water. I have...
Dec21-10 08:31 PM
1 1,570
viscous flows are always rotational because of shear stress that is exerted on the fluid element due to viscosity. ...
Dec21-10 03:35 AM
Nick RT
7 11,550
if, I have 2 kinds of different metals, the dimension are as followed: A: 5mm x 35mm x 1000mm (flat) B: 15mm x...
Dec21-10 12:19 AM
0 7,146
I am looking for a formula to give me the deflection of a dome if all dome perameters are known from a point load at...
Dec20-10 03:22 PM
4 2,295
have a manometer. i want to measure the static pressure for calculation of axial flow fan efficiency. please tell me...
Dec20-10 06:48 AM
17 14,895

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