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Mechanical Engineering

- Development of machines. Mechatronics, Robotics, Engines, Drafting
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Dear all, I checked job numbers on indeed Canada, and when using Pro/ENGINEER and solidworks as search words, I got...
Dec17-13 11:25 AM
shanren
21 22,106
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 78,902
Hi all, I need to model an hydraulic cylinder with simulink and to control it according to some rules. What I don't...
Oct21-13 07:35 PM
Baluncore
1 697
Hello all, Would appreciate some guidance here. I have an air compressor compressing ambient air to 3000 psi...
Oct21-13 11:51 AM
Sakthi1267
8 874
Does the use of one or more flat washers change the required tightening torque of e.g. a M4 socket head cap screw?
Oct20-13 11:34 PM
Bandit127
2 546
Hello, When given a truss structure, how does one tell visually just by looking at the structure which members are...
Oct20-13 09:15 PM
AlephZero
4 1,026
Hi, I've recently started a Masters degree in Mechanical Engineering. I've never taken on a research project before...
Oct20-13 09:45 AM
insanemembrane
3 454
For the hydrostatic pressure, when do we use and where: ρ = density g = acc of gravity h = height of water...
Oct20-13 12:42 AM
SteamKing
1 446
Hi all, I am trying to find the slope of a T-stub joint at the bolt in order to find the bending stress of the bolt. ...
Oct19-13 09:51 PM
tricha122
1 439
Introduction Dear all, I'm working on an assignment to model a ship-to-shore crane for a FEM design course. Having...
Oct19-13 11:31 AM
SteamKing
3 549
Hello all; I have been thinking about this for some time and searching through the internet for it but couldn't get...
Oct19-13 10:08 AM
czelaya
3 555
Hi, I'm designing a propulsion system for an electric car as a part of a college project. I'm trying to find the...
Oct19-13 09:21 AM
Timeforheroes0
2 387
I have a self-venting single-stage pressure-reducing regulator that takes ~2500 psig and steps it down to ~1500 psig...
Oct17-13 05:14 PM
Baluncore
7 532
Hello, I do not understand how to know where to ''cut'' the sections when finding internal forces in a structure,...
Oct17-13 12:14 PM
timthereaper
7 518
To give a little background I have machine tool training but not much other than what I have taught myself in general...
Oct17-13 10:32 AM
Baluncore
6 551
hey pf! can someone please tell me if my understanding of the material derivative operating over some scalar \rho is...
Oct16-13 11:02 AM
timthereaper
1 370
I've been interested in a BSME for a while now and I have no problem putting the effort in to earning it, the only...
Oct16-13 11:01 AM
timthereaper
3 715
Hello, I was wondering, is there a preference for when to use either of these methods for solving statically...
Oct15-13 10:51 PM
Simon Bridge
1 542
Hello, I was wondering why it might be advantageous in some applications to create a structure that is statically...
Oct15-13 10:09 PM
AlephZero
1 417
Hello, how 600Ω || 300jΩ = 120 + j240 ?? how do you get the value 120 + j240 from 600 register parallel wih...
Oct15-13 11:38 AM
berkeman
7 688
Greetings all, I have been trying to find a method of calculating the yield stress for a material when only given;...
Oct15-13 10:29 AM
AlephZero
2 548
Hello, I have a mechanical motion platform. It's only about 8 grams and about 5x5x5 cm. I'm a bit worried about...
Oct15-13 03:29 AM
CharleyK
2 498
Hi, I have a problem which you guys probably could help me solve or at least advise how to approach. I am...
Oct14-13 04:04 AM
n00beng
4 687
Hello, I am looking at my lecture notes PDF, and I am having trouble seeing the geometry how A_θ is A_0/cos θ. I...
Oct13-13 11:09 PM
Woopydalan
2 557
hey pf! can you tell me if this derivation sounds reasonable for the navier stokes equation, from newtons second law...
Oct13-13 03:51 PM
joshmccraney
0 449
Was reading a book on rigging and it had this note that intrigued me: Ensure that the sling angle is always greater...
Oct13-13 02:16 PM
MrAnchovy
1 427
Is the module(M) of the sun,planet and ring gear in a 'planetary gear set' equal to each other always? Is it possible...
Oct13-13 07:53 AM
Baluncore
1 411
Hi all, We are trying to build a venturi and I have got a couple of questions. I am not an engineer actually, and I...
Oct12-13 08:01 PM
256bits
1 467
Hi Can somebody please explain fundamentally what is the difference between these two methods of modelling contact...
Oct12-13 02:23 PM
AlephZero
1 414
I have been interested in constructing a vacuum chamber for quite some time, but I am not completely certain on what...
Oct12-13 11:47 AM
nsaspook
20 1,306
I am trying to work out a reynolds number for an impinging jet using air. If I have: μ=1.8*10-5 kg/ms ρ=1.2 kg/m3...
Oct12-13 08:01 AM
Shaun_W
2 420
Im an intern at a manufacturing company looking at whether our end gaps are too small on piston rings. Can someone...
Oct10-13 08:00 AM
nbaggs
11 862
Is there anybody familiar with the property's of plexiglass with a narrow piece and a double radius ( vertical and...
Oct9-13 11:03 AM
stevejohnson48
4 697
Hi all, MathLab seems to be hard for me. Any idea to simplify it????
Oct9-13 10:09 AM
viknesh88
3 435
Hi all, Description of Problem: I need to buy a motor to drive a custom-made spindle that I have made but I'm not...
Oct8-13 05:54 AM
deadstar33
5 909
Is there a specific location (say top, bottom etc.) that a safety relieving valve is put on a pressure vessel? Say...
Oct7-13 07:10 PM
Baluncore
4 665
Hi everyone, I was looking up Mohr's circle on planar stress and stress/strain relation and all that and I read a...
Oct7-13 07:46 AM
timthereaper
2 736
Hello, I have to conduct a literature review in regards to Laser Doppler Anemometry and Impinging Air Jet. I am...
Oct6-13 12:29 PM
RandomGuy88
2 441
Hi guys, I have a question and I would love some guidance or external reference for relevant information. I have...
Oct6-13 11:24 AM
Baluncore
14 922
Hello every one:smile: I hope you can answer me when you read my question which is: If a plane in state of...
Oct5-13 04:08 PM
rcgldr
1 581
If I allow a tank that's pressurized(3000 psi) and initial temp (121) to cool to room temperature (25 C), will that...
Oct5-13 08:48 AM
hail_thy_gt
2 537
hey all im taking a graduate level fluid mechanics course. we are using a good amount of vector calculus (expected)...
Oct5-13 08:23 AM
boneh3ad
2 493

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