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- The design, building, and use of engines, machines, and structures. For any engineering topics not applicable to the categories below.
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Jan16-12 Greg Bernhardt
A number of questions, particularly involving homework, often involve some basic engineering. In the US, the...
Nov22-13 02:02 PM
rneale
38 61,970
You're just one click away from posting your homework help request! Click here to post.
May17-14 06:51 PM
Redbelly98
0 2,712
We always have threads on various pieces of the puzzle, but what I want here is for people to post a coherent plan of...
Aug13-14 11:01 PM
jim hardy
1,039 238,011
I'm currently conducting a project which involves a cylindrical pipe in a river, and I'm trying to determine whether...
Apr14-12 06:37 AM
Sharrow
0 1,582
there some free matlab tool box downloads available on some sites, not included in student version 7.0.1 version. I...
Apr14-12 11:44 AM
cpv
0 1,744
I have the problem below, my question is what should the shear force diagram look like, I know its just a simple...
Apr15-12 06:16 AM
WetFork
2 2,396
Iam doing my final year project on image segmentation by dynamic region merging,my base paper is Hybrid Image...
Apr15-12 08:12 AM
ouproject012
0 1,384
Hi all, Before posting here I've read couple of articles, some books and through google search for this topic. ...
Apr15-12 08:07 PM
AlephZero
7 2,743
I'm having a bit of trouble in my Statics class and I was just wondering if anyone here knew a good page with...
Apr15-12 08:32 PM
jean28
0 2,339
the dyson bladless fan relies on forcing air out along one side of the rim of a ring, so drawing air from the other...
Apr15-12 08:59 PM
DaveC426913
6 3,099
Hello, my first post. I hope this is the right forum... I'm considering a heat exchanger to solve a problem. ...
Apr15-12 11:16 PM
NeuronsAtWork
18 2,668
Hi, I am curious if ethernet or arcnet are appropriate for safety critical applications. With the multiple levels...
Apr16-12 10:27 AM
DragonPetter
0 1,172
I've been puzzling over this problem all day so i'm hoping someone can come up with some better ideas than I have: ...
Apr17-12 02:51 AM
NeuronsAtWork
3 3,610
Hey, Just something i wanted to confirm, in a pipe system a booster pump is used to boost the water pressure. A...
Apr17-12 07:13 AM
Travis_King
1 3,370
I'm currently designing an air filtration system for the filling compartment of a beverage filler. The goal is to...
Apr17-12 07:38 AM
Jerry U
14 158,799
Hallo, How to calculate the air flow (volume flow in m3/s) through an orifice of diameter ∅ 1mm, 1.2 mm and 1.5 and...
Apr17-12 05:49 PM
Romel
3 3,006
Hi everyone!!! I want to control a plant with below dynamics: F = k * (\int{i})^2 which k is a constant. I...
Apr18-12 04:54 AM
matinking
0 1,118
I am a mechanical engineer and need some help in calculation... We have a Nitrogen gas generator producing 240 Nm3/hr...
Apr18-12 12:08 PM
m.hasan
0 2,072
We are creating a solar device that locates the optimal position to gather sunlight, and then stores the light in an...
Apr19-12 06:00 AM
NascentOxygen
2 1,567
Hi i am not goin goin going to lie Fluid Mechanics is not my strongest subject. Im struggling to calculate the...
Apr19-12 07:32 AM
NascentOxygen
1 1,883
I am in a robotics competition where we can only use certain parts. My team built a scissor lift, and we are currently...
Apr19-12 10:30 AM
LJW
4 4,459
Hi everybody, I'm making a machine at home which will cut a predetermined length of ribbon from a reel. I've...
Apr19-12 02:32 PM
PajoTheDwarf
4 1,624
Hello Again, I hope I don't come across as an a@# or worse! I have talked to a couple physicists and when you get...
Apr19-12 07:51 PM
D H
4 2,210
So i have a stub axle shaft, I have determined maximum bending stress at several locations and the bending moments, my...
Apr20-12 10:18 AM
OldEngr63
4 3,513
I am looking to utilize flexible stainless steel corrugated tubing similar to this: ...
Apr20-12 11:23 AM
greatbigsea26
0 1,651
We use this plane called the "Laplace plane" to solve problem in control-engineering, second order systems. Can...
Apr20-12 11:04 PM
Ouabache
6 2,533
Dear all I am a new matlab user and I would appreciate it if anyone could help me on this problem. I have many global...
Apr21-12 01:57 AM
mohammadkm
0 2,516
what's difference of sound velocity in a stationary fluid compared to a moving fluid? regards
Apr21-12 09:27 PM
Bobbywhy
2 1,898
1. The problem statement, all variables and given/known data given: diesel cycle, P1V1 P2V2 P3V3 P4V4 - all known...
Apr23-12 05:48 PM
jack action
1 1,884
I am always baffled by this problem. The example would be the Yellow River in China and the Nile River in Egypt. Both...
Apr23-12 10:37 PM
TheAzn
0 1,895
Hi guys, not sure if this is in the correct section but I'll go ahead anyway. I'm working on an automotive design...
Apr24-12 05:09 AM
Jobrag
12 2,525
Hi, I have a closed system of fixed volume with an piston pump attached. The medium is air and the initial...
Apr24-12 01:27 PM
gmax137
4 3,084
Hello everyone! Help me please with selecting a correct term. The situation is as follows: There is a valve,...
Apr24-12 10:29 PM
Jack8rkin
2 6,434
I have some confusions regarding rectifier circuits. I was wondering does any change happen to the rectified dc...
Apr25-12 12:36 AM
NeuronsAtWork
4 2,053
Somebody tell me how to calculate gear torque for gears and also for engineering gearbox like worm reduction gearbox...
Apr25-12 11:59 AM
huntoon
1 4,143
I need to build a rube goldberg machine for physics class and i am stuck on ideas. It must include circular motion,...
Apr25-12 04:20 PM
djmax23
5 8,780
Hello, I am using a hydraulic shop press, to test the strength of acrylic weld joints. Here are my questions. ...
Apr25-12 06:28 PM
256bits
5 2,344
Hey, Trying to understand the piping requirments for a booster pump. See the attachment for the following scenario....
Apr25-12 07:13 PM
bellshom
0 1,573
Hello engineers / scientists / students. Many companies - especially Audi - that put people at the heart of...
Apr26-12 03:05 AM
ChristianAye
0 1,436
Hi, A party balloon is glued onto an straw. The user inflates the balloon by blowing through the straw. However, the...
Apr26-12 10:57 AM
huntoon
1 1,152
Along a horizontal pipe I am getting a pressure drop of roughly 10-20 kPa every 20 metres in a 6.5" (OD) water pipe....
Apr27-12 07:04 AM
Travis_King
6 3,716
Trying to determine what happens when a pipe of splits off into two pipes which all have the same diameter. If the...
Apr27-12 08:41 AM
Travis_King
2 2,906
I have the intrinsic noise PSD spec for Honeywell's QA3000 accels, and I need to find the velocity random walk due to...
Apr27-12 04:45 PM
isusprof
4 9,719

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