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Mechanical Engineering

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Development of aircraft and space vehicles. Propulsion, Aircraft Structures, Crafts, Atmosphere
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Gear heads unite to discuss Vehicle Dynamics, Safety Engineering, Performance, NVH, Ergonomics, Durability...
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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...
Aug4-14 01:56 PM
buell23
26 34,437
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
FeynmanIsCool
61 97,846
Hi, When I was studying some gear drawings, I found the tip relief given for all the gears. I find the reason that...
Mar31-14 02:17 AM
k.udhay
8 401
Hello. I have 2 large diameter cylindrical shells that are "rabbetted" together. I am trying to determine the...
Mar30-14 04:46 PM
Saladsamurai
5 400
Dear Experts! I am currently try to measure the drag of an buoyant object. I did 10 replicates, in general terms 10...
Mar30-14 02:42 AM
tycoon515
1 281
Hello, we are interested in high-speed bearings -- 200,000 rpm and up bearing size: inner diameter: 0.5cm - 1cm...
Mar29-14 08:51 PM
Sunfire
10 593
Greetings I am trying to model and simulate a slider-crank using NX however I am getting some problems. Would be...
Mar28-14 09:01 PM
Meteora
0 276
My work has a drive shaft that has been breaking on a U-trough screw conveyor. I am looking for some helpful...
Mar28-14 08:48 PM
256bits
3 374
I have been photographing wires hanging from utility poles that have tangled with and caused automobile accidents. One...
Mar28-14 04:40 PM
Travis_King
5 446
What equations are relevant to finding the initial and final enthalpy values of an isothermal process? There is an...
Mar28-14 09:08 AM
Ritz_physics
3 399
Maybe I'm over-analysing this but if we take a simple example of a tube within which steam is flowing. Why does the...
Mar28-14 04:12 AM
Baluncore
1 258
Hi everyone; I'm a ME student who just finished Dynamics course and I did really good. I've finished also statics...
Mar28-14 02:55 AM
Nataliehutchin
3 478
Hi , I am building a Quadcopter ,i am not sure how to decide(or calculate) the length of the 4 arms .I know that...
Mar28-14 02:13 AM
satchurated
12 844
Hi, I have a small project where I run air from a blower into a hose with one elbow (or joint) in there. I am...
Mar27-14 07:21 PM
etudiant
2 188
I've been told I would be a good Mechanical Engineer because I like hands on work and am good at it. And I have a...
Mar27-14 02:29 PM
timthereaper
2 307
I've been given information that the exhaust gas contains only water and no HydroCarbons. So,the only hydrogen...
Mar27-14 11:57 AM
Chestermiller
3 257
Is there a type of spring that stores the energy of the whole spring and displaces the whole energy into on the first...
Mar27-14 10:54 AM
manp
1 236
Hello everyone, I just found this site and I'm really hoping to find an answer to my problem! As the title tells my...
Mar27-14 09:46 AM
RandomGuy88
10 1,737
Hey everyone!! I am working on improving natural draft counter flow cooling tower efficiency as my final year B.E....
Mar27-14 08:12 AM
Ritz_physics
0 225
In this diagram,non-ideal combustion in a diesel engine takes-up a lot of the fuel energy. Why is this so? Also...
Mar27-14 06:40 AM
marellasunny
2 282
knuckle in McPherson strut is casting & in double wishbone is foring? why?
Mar27-14 12:48 AM
Baluncore
1 212
Hi all, I'm currently working on an independent project where I'm building a radial flow water pump to be sent to a...
Mar26-14 10:01 AM
russ_watters
6 342
Hello, I'm stuck on what should be a fairly simple problem. Trying to calculate the size of motor required to...
Mar25-14 10:45 AM
Baluncore
4 350
Can somobody help me how to get the 2.72 and 2.73 equation?? http://imageshack.com/a/img89/5594/kiw6.jpg
Mar25-14 03:55 AM
Simon Bridge
9 283
Hi, I was reading a physics book and started to make some links, but i don't know if it's correct. For example: I...
Mar23-14 06:32 PM
Simon Bridge
3 271
Hi - I know someone must have thought of this already, so maybe you can help me understand. When I look at some of...
Mar23-14 04:00 PM
Baluncore
10 400
I'm working on a project which has two rotating metal arms. These arms need to move in very consistent ways (that is,...
Mar23-14 01:09 PM
AlephZero
3 479
I am trying to simulate a prototype on ANSYS in 3D. It has symmetries in the XY and ZY plane so I am only going to...
Mar22-14 03:59 PM
nvn
2 378
Hi all, I just have a troublesome time wrapping my head around the concept of moment of inertia of a cylinder inside a...
Mar22-14 12:39 AM
paisiello2
1 260
Here is the real life problem I am facing: Gas reciprocating engine is situated in an engine room. The engine is...
Mar21-14 06:57 PM
etudiant
1 277
I am using a software called GT Power for a project and it is giving an heat transfer rate value of the gases to...
Mar21-14 04:46 PM
berkeman
2 273
I have a gas cylinder pressurised to 16,600kPa and it holds 9.2m^3 of Nitrogen. There's a regulator that steps the...
Mar21-14 03:45 PM
boneh3ad
3 267
An extremely useful set of lecture notes for anyone who wants to investigate statics of indeterminate structures (i.e....
Mar19-14 02:00 PM
ScientificMK
11 39,723
Suppose the 2 passengers in my car generate 1000W of heat and the sunlight falling inside the car generates 1000W of...
Mar18-14 07:46 PM
russ_watters
4 392
I want to turn an axle or a wheel using multiple motors. With a single motor, sometimes the power is not enough. Is...
Mar18-14 07:00 PM
Baluncore
5 413
Hi, In what cases do I neglect the work done by the pump in an actual rankine cycle? I am reading that h5-h4 is...
Mar18-14 06:58 PM
sanka
1 315
Hello, Can someone please provide a more detailed explanation for the attached image? :) i need to explain this to...
Mar18-14 02:32 AM
Azari
5 421
Hello, When using a multistage compressor that is assumed to be isentropic with no interstage temperature...
Mar17-14 06:37 PM
Baluncore
1 261
I have a steel box that I am trying to purge with gaseous nitrogen (GN2). Just say the dimensions are A x B x C...
Mar17-14 02:08 PM
steves1080
0 258
Hi, I am trying to model a simple plane stress problem using Ansys. I am using Ansys 14.0. The problem is a simple...
Mar16-14 07:36 PM
c.teixeira
4 807
So I know individually how these form. Unfortunately I haven't found any sources that describe more detailed questions...
Mar16-14 01:06 AM
Urmi Roy
4 480
Hey I am new to this forum and I am looking for any pointers about my ORC before I start it up? I made an ORC in my...
Mar15-14 04:49 PM
DScheuf
1 312

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