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Mechanical Engineering

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Development of aircraft and space vehicles. Propulsion, Aircraft Structures, Crafts, Atmosphere
T 12:41 PM Chi-Badger 
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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 34,444
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 97,862
What is the mole/ Mass ratio for ambient air at a given Temp/ Humidity? I am trying to get a very rough calculation...
Dec15-08 11:25 PM
gtfoxy
3 920
Hi, I need help. I need to calculae the amount of gas diffused in to a detector to evaluate the design. I have the...
Dec15-08 11:37 AM
sureshav
0 1,501
Hi I want to make a aircraft fuselage with spike in Gambit. i do not know how to make aircraft fuselage. can any one...
Dec15-08 08:10 AM
vincentryan
0 1,857
Hi everyone, I have often wondered about the time and distance relationship. Case in point: If you wind a flat...
Dec15-08 02:40 AM
CompuChip
3 1,212
Hi, Anyone can recommend any website that shows the material properties (such as reflectivity, heat capacity,...
Dec13-08 09:20 PM
Astronuc
1 1,315
Hi, I am new to building large candy rockets, and I have a target of building a candy rocket that can reach an...
Dec13-08 09:03 AM
ebanfa
0 6,570
Hopefully this is the appropriate forum for this sort of question, but I was wondering if any of you might know where...
Dec12-08 12:03 AM
Captain Barbosa
6 7,032
I have a final exam in a mechanical vibrations course this week and I know what one of the problems might be like. It...
Dec11-08 09:15 AM
kingclayton8
2 4,281
Hi, I'm using a Pressure/Enthalpy diagram for R12. I have drawn my cycle on and found values for H1, H2, and...
Dec11-08 08:44 AM
skaboy607
0 15,419
What expression should be used to calculate Nusselt number for free convection (of air) in a vertical channel with...
Dec11-08 08:14 AM
minger
3 2,194
What is meant by the term "re-radiating surface"? When is a surface non-re-radiating?
Dec11-08 12:54 AM
germblaster
0 692
Is it possible to calculate the flow rate of water through a restrictionless device (a tank, for example) if you know...
Dec10-08 05:21 PM
russ_watters
4 15,922
given an x,y,z position for the end of an robot arm(end effector), is there any way to find the roll, pitch and yaw...
Dec10-08 11:21 AM
MikeLizzi
1 6,010
Hi Wondering if someone could help me satisfy my curiosity. Hopefully a very simple for someone who knows. I have...
Dec9-08 03:38 PM
skaboy607
2 3,599
If a hot metal forging is cooled by dropping it into a pool of water, how many boundary/initial conditions do I need...
Dec9-08 03:20 PM
Mech_Engineer
1 2,002
This is about how to relate an abstraction of thermodynamics to a real compressor. The difference of the specific...
Dec9-08 03:33 AM
gumpfer
0 1,704
Can anybody explain why my numbers are not equally out? At work, I am trying to determine the heat transfer taking...
Dec8-08 05:36 PM
russ_watters
10 1,011
Just for fun, thought Id throw this out for discussion. What do you think is the best way to call out an SAE...
Dec8-08 02:51 PM
Q_Goest
4 14,246
OK, I am having a problem. I come from CFD where we do not use "midside nodes". I am currently in a structural...
Dec8-08 07:45 AM
minger
2 7,053
Hey, when using the boundary layer tool in Gambit to mesh the near wall region of an aerofoil I experience problems...
Dec8-08 04:52 AM
cconsul
0 3,328
i'm under graduated student and my graduation project is about fire fighting and i want to know if i can define...
Dec8-08 02:32 AM
EGYMAN
1 1,054
hello alll I am designing a gearbox for milling machine. For Finite element Method purpose, what are the input data...
Dec7-08 11:18 PM
Danger
1 4,414
Hi, does anyone know how to solve 3DOFs? I got an attachment attached, however i do not know how to solve for e 6...
Dec7-08 10:48 PM
sn0wy
0 1,036
Hi All, For a small steam turbine to generate power at a rate of 50 kW/h. How many BTU's of heat required per...
Dec6-08 08:32 PM
RonL
12 4,141
Hi I'm currently setting up a simple cantilever beam experiment. The cantilever will be positioned vertical and a...
Dec6-08 05:53 PM
stewartcs
4 19,669
DeaR ALL I WANT to do mini project in gear design. I need comment about my objective selection and Technic used to...
Dec6-08 04:16 AM
Analysis
0 1,871
A real life situation exists where I'm attempting to turn the back of a van into a faraday/rf sheilded cage to...
Dec5-08 11:23 PM
ambesilica
0 1,354
I have a mass flow rate, an area for the pipe and thus the diameter. I need to know the length of the pipe, but I end...
Dec5-08 12:17 PM
russ_watters
1 1,500
Hello, Well, I am working on this home problem I have, but I am struggling. The lecture has told us that the...
Dec5-08 12:16 PM
Tino
0 2,210
Hey everyone. I am a freshman at UWM working my way towards a mechanical engineering degree. For one of my classes I...
Dec5-08 07:55 AM
stewartcs
3 3,119
I would like to know, how calculate the girder arrow in overhead crane.
Dec4-08 03:32 PM
mgalter
0 1,246
I understand the characteristics of speakers can be improved by weaving kevlar to form a square pattern and that the...
Dec4-08 05:40 AM
bsodmike
1 3,602
Hello friends, I am just a begginer of model rocketary. I just felt it is better to start with water rockets since...
Dec4-08 12:17 AM
kimmy1993
7 12,390
Not wanting to be guilty of thread hi-jacking I'll start a new one. This design is in the start of assembly stage, but...
Dec3-08 03:22 PM
RonL
39 7,582
I'm tasked with the design of a variable inertia flywheel. I've concentrated on the change in location of mass about...
Dec3-08 08:47 AM
jimgram
15 1,601
Shortly describing..... We are students of UET LHR Pakistan in Deptt of mechanical engg. We have built a website...
Dec3-08 08:04 AM
umar.techboy
0 1,160
equations of motions for 3DOFs obtained. but how do i solve for e 6 unknows: m1 m2 m3 k1 k2 k3 using the ECP system?...
Dec2-08 10:05 PM
sn0wy
0 973
I am a high school senior and I was required to interview a profession based upon what I have chosen(mechanical...
Dec2-08 12:23 PM
brewnog
1 13,155
I have been working on a holistic system involving flywheel-generators and methane gas as the power source. With all...
Dec2-08 05:21 AM
russ_watters
52 16,730
Good Evening! I've been looking at this problem for a bit and I am a little stumped on it. I asked two graduate...
Dec1-08 09:15 PM
FredGarvin
3 2,257

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