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Mechanical Engineering

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Development of aircraft and space vehicles. Propulsion, Aircraft Structures, Crafts, Atmosphere
T 01:35 PM berkeman 
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Gear heads unite to discuss Vehicle Dynamics, Safety Engineering, Performance, NVH, Ergonomics, Durability...
T 02:21 PM xxChrisxx 
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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
26 35,266
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 98,639
Hi all; an easy question for you. In the following picture, what is the ventilation box in the corner near the floor?...
Nov26-12 03:06 PM
3 861
Hi guys, I'm pretty new here, and long story short, I'm struggling a bit on a fluid mechanics question I've been...
Nov26-12 12:45 PM
3 870
Hi Physics Forums, I'm currently a student studying Mechanical Engineering year 2. I want to carry out a group...
Nov26-12 08:35 AM
0 693
How to transform non-linear frequency vibration to constant frequency of vibration of 2 Hz? Such as transform the...
Nov26-12 08:18 AM
1 719
βHi, i'm working in a project with an arduino mega 2560 controling a robotic arm with 2 DOF moved by servo motors. ...
Nov26-12 08:04 AM
0 546 What are the mathematical steps and assumptions to reach the conclusion that length(ab) ≈ dx...
Nov26-12 03:37 AM
3 1,038
Hello guys, I am calculating Bending and Shear stresses in hollow beams. We have a particular kind of shell that we...
Nov26-12 02:38 AM
4 1,249
As suggested on my last post 'how to become a design engineer' self practice is the key to learn a design program to a...
Nov25-12 04:06 PM
9 2,196
This question is about solving the elementary thermodynamic equations of a gas turbine using an iterative solver -...
Nov25-12 09:14 AM
0 1,024
I'm just starting to learn thermodynamics. I was just wondering that in case of a mixture of two gases, if we assume...
Nov23-12 04:22 AM
3 999
To calculate the K factor for a contraction, do you find the inlet pressure and outlet pressure and then find the...
Nov23-12 02:03 AM
3 1,112
Hello everybody! I have just use Ls-Dyna last week and when I use Adaptive meshing I got that. ...
Nov22-12 12:49 PM
1 1,276
Will a tuned mass damper damp down the excitation frequency ? Or it just reduce the vibration amplitude? Thank you.
Nov22-12 11:24 AM
5 1,170
I am planning on calculating the heat loss and heat gain of a terraced house. The data I have collected so far are...
Nov22-12 10:40 AM
6 1,064
I'm working on the design for a dry-hull model submarine. My plan is to cast the hull shape that I want out of...
Nov21-12 06:43 PM
7 1,662
Hi Guys, I'm new to the forum so please be gentle with me. I am a final year mechanical engineering student in...
Nov21-12 06:08 PM
1 759
Hi! I am about to start a project on the effectiveness of conformal cooling in injection molding, where i will be...
Nov21-12 05:59 PM
1 668
Hi all! I am happy to find this very informative forum! I have graduated with a degree in Production Engineering...
Nov21-12 02:34 PM
13 2,244
Nov21-12 01:24 PM
0 879
I am trying to come up with a shape or design of a simple piston with holes that will allow fluid to flow in one...
Nov20-12 02:27 PM
2 1,345
can we have a system in which the machine is able to diagnosis the fault yet to come in minutes and suggest as well as...
Nov20-12 02:00 PM
1 907
I'm trying to write a very simple program to generate shear and bending moment diagrams for beams. The thing is...
Nov20-12 11:50 AM
14 1,510
Hello, I'm trying to estimate how long the impact of a steel ball hitting a plastic box would be. The actual case:...
Nov20-12 06:36 AM
2 786
Hello all, I have a shaft supported on both sides with a charge on each bearing, as shown on the following link:...
Nov20-12 01:19 AM
0 624
Hi all, Im having a bit of trouble understanding the concept of viscosity in the scenario of a fluid between two...
Nov19-12 10:24 PM
1 876
Hi there was wondering if anybody could help me. 1). How to find the limiting values of Von Mises stress induced in...
Nov19-12 08:51 PM
2 862
Why when you compress materials like concrete do they fail in shear? Can the thing you're compressing be too small...
Nov19-12 05:54 PM
1 979
I'm looking for some help understanding bending stresses and stress concentrations in Morse Tapers (or any press-fit...
Nov19-12 02:11 PM
0 948
Hi! I am about to start a project on the effectiveness of conformal cooling in injection molding, where i will be...
Nov19-12 09:33 AM
0 756
the beams are fixed at point X. Load P is applied at Y. How different would be the deflections at P.
Nov19-12 06:09 AM
2 1,035
Hey guys. As the title reads, I am a part of a research project and we will soon be testing a 100lbf jet engine. We...
Nov19-12 12:07 AM
3 939
My math is a little weak, so I'm having a hard time finding the elastic and plastic regions on this curve. Any further...
Nov18-12 10:49 AM
3 1,900
Sorry for the vague description. (I had to use Google to get the answer to the anti-bot question) I'm making a...
Nov18-12 10:09 AM
5 946
I want to know a little about rear-wheel steering mechanisms. Basically, my interest is in the relative losses (due to...
Nov17-12 05:11 PM
20 7,102
Hi all, I have this mechanism and I have to calcutate the spring applied by the spring to stand the force F. I...
Nov17-12 05:31 AM
23 8,331
Hi, I am experiencing a little bit of trouble grasping the concept of vector fields in fluid mechanics: If the...
Nov16-12 09:00 PM
2 851
Can you tell me what this type of hinge is called? I like how it springs in to 1 of 3 positions. I'd like to see...
Nov16-12 06:32 PM
5 897
I am an undergrad physics major taking an engineering course that just introduced the concept of reynolds numbers. ...
Nov16-12 10:02 AM
8 4,707
why cannot hydrogen and oxygen not used in internal combution engine as fuel? it would be pollution free.
Nov16-12 05:42 AM
3 928
1. The problem statement, all variables and given/known dataI have a bar, 500mm long (0.05m) 10mm wide (0.01m) and 3mm...
Nov16-12 01:37 AM
2 1,011

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