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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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We always have threads on various pieces of the puzzle, but what I want here is for people to post a coherent plan of...
Mar17-14 06:22 PM
mfb
982 196,865
A number of questions, particularly involving homework, often involve some basic engineering. In the US, the...
Nov22-13 02:02 PM
rneale
38 50,358
In response to the growing needs of our membership, we're excited to announce the restructuring our Science Education...
Oct12-05 01:47 AM
Moonbear
0 20,378
i know climate science is pretty inaccurate at the moment and its difficult to predict the effects of lowering carbon...
Aug18-08 04:31 AM
Azael
7 1,436
Does anyone know how to determine what size/type of pipe/tubing would be necessary to withstand given wind speeds? ...
Aug13-08 08:48 PM
phlegmy
4 6,018
Has anyone tried engineering mechanics: statics by hibbeler? Is this a good book? From the reviews on the 10th...
Aug12-08 11:27 AM
FredGarvin
2 2,217
hello, first off i would like to say that im new here, and this being my first post, so if i did something wrong,...
Aug12-08 08:01 AM
Cvan
4 1,287
Does anyone know if it is worth doing both Electrical Engineering and Mechanical Engineering? Does it help or hurt? ...
Aug11-08 11:16 PM
only_huce
9 2,241
I am trying to figure a way to turn an automobile type generator shaft at realtively high speed (1,000 - 2,000 rpm)...
Aug11-08 06:24 PM
russ_watters
1 1,564
Aye, ill try and keep this quick and easy.. I'm trying to get all the info i can on what maths and physics is...
Aug5-08 07:57 AM
mecha
7 4,173
Hihi, http://sales.hamamatsu.com/assets/applications/SSD/si_pd_circuit_kspd1043e06.pdf 5. high-sensor From...
Aug5-08 05:53 AM
cks
3 2,280
Hi, I am a physics major and I have been building an ion mobility spectrometer. I have gotten to the point where I...
Aug4-08 03:21 PM
jessicaL
0 1,027
I have a simple pipe (with water) that reduces in diameter. I've been trying to calculate the pressure after the...
Aug4-08 09:56 AM
minger
6 1,550
Hey guys, Just a basic question. If I have a beam loaded like that in the picture below, I would like to calculate...
Aug3-08 12:42 PM
FredGarvin
7 5,969
Hello, I have been trying to find recent developments for wind turbines (post 2000) but so far haven't been...
Aug1-08 07:22 PM
kateman
11 2,694
I would like to know if anybody have experience in machine design with flux software from cedrat? Sebastião Carmo
Aug1-08 12:35 PM
seber
0 1,344
I've always loved taking things apart and putting them back together, but I've never tried to build any kind of...
Aug1-08 11:12 AM
Topher925
6 1,313
Hello, I'm a student at the University of Minnesota and as I was moving out of my dorm last semester I found a co2...
Aug1-08 12:35 AM
Chronothread
0 978
Hello, I am currently using COMSOL to do multi-component unsteady state 1D diffusion modeling (symmetry). The...
Jul31-08 12:40 PM
muthuran
0 4,127
Is it possible to use acetone as the working fluid in a Rankine cycle engine (like steam engine)? How efficent would...
Jul30-08 11:35 AM
GlynnHeeswijk
11 2,228
Hey, I am doing my B.Tech 2nd year and would like to present a paper on VLSI & Embedded Systems. Plz help me out as to...
Jul30-08 11:12 AM
berkeman
1 5,156
I just read about some applications of AI in drive. one of them is AI-based compensation of non-linear effects in...
Jul30-08 10:14 AM
McMurry
0 853
I'm looking at project investigating thermal dissiplation around circular and square concrete piles, resting in a...
Jul30-08 07:44 AM
Redbelly98
3 2,644
Im thinking about going into nuclear engineering but i have this fear that its going to be astronomically hard. Like...
Jul27-08 07:13 PM
Astronuc
13 11,562
The schematic shows a central heating system. I'm wondering if I can drop the twin pump? If each of the single pumps...
Jul24-08 08:00 AM
russ_watters
2 2,805
With a Hydraulic motor and disel engine for a pump.
Jul23-08 07:11 PM
nucleus
4 1,430
The term defines a material possess electrical potential under different in temperature. That means we can harness...
Jul23-08 05:47 PM
russ_watters
3 1,684
Hi everyone! I have a question for you :) I am wondering, if there already is a developed model, imitating...
Jul23-08 09:55 AM
LURCH
1 1,321
I was just wondering why solar paneling is shiny. Doesn't that mean light is reflected and wasted?
Jul22-08 10:09 AM
Bhejafry7486
2 1,318
Hi there! I just got my first job as a mechanical engineer (I took me diploma a couple of months ago) in a crane...
Jul21-08 04:31 AM
sofia_mecha
0 1,554
I have a dilemma for which I could use some input. I sponsor a Math/Science Computer Modeling (sort of Science Fair)...
Jul20-08 10:39 PM
t1nick
0 1,472
So many places I've seen components (fancoils and such) with inlets that are let's say 1", but where the pipe leading...
Jul20-08 06:59 PM
gmax137
3 1,762
I'm looking for a gas property software which is used for turbine/expander. Below are the basic requirements for the...
Jul18-08 11:05 AM
ank_gl
4 1,956
The attachment shows an example from a book on how to size a hot water storage tank (for tap water). During the 24h...
Jul18-08 02:12 AM
TSN79
0 2,738
I'm in need of a procedure to calculate the size of a hot water accumulator. I already know how to calculate the size...
Jul17-08 01:56 PM
TSN79
3 6,092
A friend posted this at a site and I want to believe he is wrong "Becoming 'energy independant' is folly for the...
Jul17-08 12:29 PM
chayced
15 2,617
I was wondering what skills I need to be an engineer.You see I am very curious and I like to know how things work.I...
Jul17-08 01:58 AM
grafica
2 13,394
I am forming a concrete utility pole centripetaly in the mould (lathe). I need to have it form with an aperature(box...
Jul15-08 10:47 AM
lwasmund
1 3,097
So.. I am sick and tired of high gas prices and have decided to build an electric skateboard as a secondary method of...
Jul14-08 10:12 PM
NoTime
3 9,177
Is the current traffic patterning based on maximizing convenience rather than minimizing fuel consumption? If there...
Jul12-08 02:48 PM
LURCH
7 1,625
I am currently attending WVU and was wondering if anyone could tell me where I could take engineering statics online....
Jul10-08 09:12 PM
stewartcs
3 12,103
So I was browsing the web when I stumbled on this: Da Vinci Tower It's supposed to be the worlds first dynamic...
Jul9-08 08:57 PM
Abraham
8 10,584
I know that the best engines today are only what about 20-30% efficient at converting the energy in gasoline to actual...
Jul9-08 11:52 AM
Mysterytour
15 9,022

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