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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
We always have threads on various pieces of the puzzle, but what I want here is for people to post a coherent plan of...
Jun23-14 12:38 AM
OmCheeto
1,027 232,740
You're just one click away from posting your homework help request! Click here to post.
May17-14 06:51 PM
Redbelly98
0 2,377
A number of questions, particularly involving homework, often involve some basic engineering. In the US, the...
Nov22-13 02:02 PM
rneale
38 60,662
Hello everyone! I'm a new entry in thi forum and I need some help with Comsol multiphysics. I'm creating a model of...
Mar26-11 04:45 PM
haghdoost79
1 2,939
I am currently doing my final year project and have a few queries. I would be really grateful if someone could answer...
Mar26-11 03:14 PM
edgepflow
1 4,637
Hi, I am trying to figure out if there is any method to find the optimum position for thrusters on an ROV? or do i...
Mar26-11 07:55 AM
autocad8521
0 1,946
Hey guys, consider a closed-loop with actuator saturation (see the image). How to mathematicaly describe the whole...
Mar26-11 04:29 AM
liptak
0 2,164
I'm trying to validate some experimental data on a NACA 643-418 wing section from XFoil. Below are some basis data, ...
Mar25-11 02:49 PM
boneh3ad
6 2,498
Hi all, I am new here as i want to ask something about an engineering project i am working on. I need a motor to...
Mar25-11 08:05 AM
dalou
3 6,160
I made an assembly of a few parts, and I mated them how they should. When I move one part, I need the whole device to...
Mar24-11 06:02 PM
dawin
9 5,237
Hello! I was wondering could anybody help me with this? I'm determining the viscoelastic properties of a...
Mar23-11 06:53 PM
123catty456
0 1,849
I need to optimize a maximum likelihood function with many many variables (~10^2 variables). what is the faster...
Mar23-11 02:27 PM
king2048
1 1,991
Hello everyone! I am a college student. I need somebody who is an environmental engineer of technology help me to...
Mar23-11 01:30 AM
berkeman
1 2,304
OK, I know how to use the Clasius Clapreyon, but in my case, it's not working. I'm currently trying to work with a...
Mar22-11 05:13 PM
yaganon
0 1,048
I am planning to build a solar cooker that van cook food as fast and hot as possible. I was wondering what is the best...
Mar22-11 03:12 AM
kjr
1 3,259
Hi all, quick question, i have plots for thrust vs engine rpm and fuel consumption vs engine rpm (experimentally...
Mar21-11 02:24 PM
kjr
0 3,081
Cylinder is Compress Air driven. Now my Customer want to konw if there is any other method to detect the Cylinder is...
Mar21-11 02:20 PM
edgepflow
5 2,035
Hello everyone, I am currently in my final year at Glasgow university and I am really struggling with one part of my...
Mar21-11 06:53 AM
GU4
0 1,441
hi friends, I wanted to know about the Thermoacoustic Refrigeration.Can u plz submit any links or explanation...
Mar20-11 11:47 AM
pranj5
13 5,431
Ok so this should be a simple caclulation like those easy tension problems in phsyics books but i want a more accurate...
Mar20-11 11:24 AM
skeleton
1 2,847
Hi guys, Im eager to find out about our spectrum usage. Cause Im working on LTE and it uses either 2.7 GHz or 900 MHz,...
Mar20-11 08:46 AM
fss
1 1,400
Not a homework question, I was just hoping someone could assist me with understanding some math. Actually, more...
Mar20-11 12:54 AM
MacLaddy
1 1,740
Hello, I want to ask about what is the equation to calculate the pressure drop in a double heat exchanger and shell...
Mar19-11 02:48 PM
darrenxhau
0 1,980
Very simply put. Is it possible to determine bending stress in a beam without knowing the young's modulus of the...
Mar19-11 01:51 PM
maniaciswicke
2 6,154
Greetings. I am a woodworker, and i build lockboxes with hidden compartments and complicated homemade magnetic locks....
Mar19-11 10:21 AM
Kenneth Mann
5 1,968
Hi, why does a sensor, eg a temperature sensor, have an accuracy? Is it just because of a random error, or...
Mar19-11 09:20 AM
Studiot
6 2,902
So I can follow the sequence of operations: the refrigerant enters the compression stage as a saturated vapour(a gas?)...
Mar18-11 10:01 AM
h2oski1326
2 3,162
Hello I used a digital angle gauge recently, how does it work? Is there a (MEMS) gyroscope inside perhaps? But...
Mar18-11 08:53 AM
senile
0 2,312
Hi. Can someone help me please. I have a steam generator which is designed to operate from natural gas with pressure...
Mar18-11 12:21 AM
asami58
2 1,896
Hi, How to check my transmitter signal power? I have found my transmitter in my friend shed and needs some new output...
Mar17-11 09:00 AM
eduedulobo
3 2,610
do strain gauges need calibration
Mar16-11 08:15 PM
spanky489
4 3,054
Hello All, I am a novice with Ansys Mechanical. I have to do a thermal analysis of thin walled composite layer (3...
Mar16-11 04:31 PM
deveshp1
0 2,895
I'm currently studying complex numbers in my high maths class, moving onto trigonometry. I already know some...
Mar14-11 09:10 AM
ashish kumar
2 17,141
Hi, ***I just noticed this that I posted this in the wrong section thinking I was in the engineering...
Mar13-11 07:23 PM
munza
0 1,491
Hai Guys....... I want to check the AC current by using digtal multimeter.Please give me instruction.
Mar13-11 03:23 PM
Studiot
7 14,768
Imagine that i have a source of _constant_ wind. It travels, with negligible variance, at 50 mph. The problem is...
Mar11-11 05:38 PM
boneh3ad
1 2,312
hello..i m doing power hydraulics and i have a circuit which has a pilot relief valve. The relief valve is connected...
Mar10-11 05:53 PM
george88b
0 1,549
I’m calculating a discrete integral from distinct water-flow measurements. That means I have a few thousand data...
Mar9-11 09:07 PM
JaWiB
1 2,162
Hello. I have been asked to calculate the pressure drop across our fuel system. It is a large system with many...
Mar9-11 01:13 PM
kosig
11 6,477
How do i develop a wind turbine model for electricity generation.
Mar9-11 12:29 PM
imsmooth
6 3,656
Can anyone tell me where I can find a basic T parameter table for RF design. One with the T parameters for shunt...
Mar9-11 06:35 AM
HPRF
0 1,458
Does anybody have any experimental data on flat back airfoils. I would like to know the experimental data,...
Mar8-11 10:11 AM
boneh3ad
3 1,836
I am working on a swinging component. The component can swing with a varying amount of forces, which I need to...
Mar8-11 03:53 AM
Lok
1 2,998

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