⚙ Mechanical Engineering

Manufacturing "dead" in the USA?

Im curious if others out there feel that manufacturing could very well be dead in the USA? Ive heard it said that the l...

6 comments posted 21yrs

posted by me

6 comments posted 21yrs posted by me

Electrical conduction through a rotating element

Does anyone have any successful examples of passing an electrical signal from a rotating shaft to an outer housing? In...

5 comments posted 21yrs

posted by newsgroup23

5 comments posted 21yrs posted by newsgroup23

Where I can find good books on web sites to learn thermal fatigue or thermal-mechanical fatigue, thanks.

Pls. see the title. Thanks a lot in advance.

0 comments posted 21yrs

posted by luwming

0 comments posted 21yrs posted by luwming

Greater Flow rate - 5/8" or 1/2"

Suppose you have a pump with constant pressure output and you have some garden hoses. Which would have the greatest flo...

1 comments posted 21yrs

posted by ecarecar

1 comments posted 21yrs posted by ecarecar

Bending of plates

Hello. I'm an engineering student doing my final year project. A part of my project involves sizing the different porti...

0 comments posted 21yrs

posted by aol910

0 comments posted 21yrs posted by aol910

Improvement to Petroff equation for highly loaded journal bearings

Folks If anyone is interested, I have recently derived an equation for the friction loss of a journal bearing under hig...

1 comments posted 21yrs

posted by iantaylor2uk

1 comments posted 21yrs posted by iantaylor2uk

controlled porosity in rapid prototyping

hello, i need information about methods of controlling the porosity in rapid prototyping/manufacturing. any suggestions...

0 comments posted 21yrs

posted by expat79

0 comments posted 21yrs posted by expat79

One Engineer In the Entire Federal Bench

There must be 2000 judges in the federal judiciary now and I understand only one has an engineering degree. Bret Cahill

20 comments posted 21yrs

posted by bretcahill

20 comments posted 21yrs posted by bretcahill

Sudden rupture of Al foil

Hi For a given shape of an Aluminium diaphragm and its thcikness, at precisely what tensile stress will it rupture in c...

2 comments posted 21yrs

posted by rehanjamshed

2 comments posted 21yrs posted by rehanjamshed

what is a fender washer?

what is a fender washer? in which situation is it used?

24 comments posted 21yrs

posted by alanh_27

24 comments posted 21yrs posted by alanh_27

STUB ACME THREAD STRENGTH EQUATIONS

Can anyone point me in the right direction for obtaining equations for the strength of stub acme threads? The Machinery'...

1 comments posted 21yrs

posted by mike.reid

1 comments posted 21yrs posted by mike.reid

Question on mechanics of material

It has been several years since i last worked on strength of materials, and i can't be certain of what seem to be a sim...

3 comments posted 21yrs

posted by pcywong

3 comments posted 21yrs posted by pcywong

Hypoelasticity

Hello all, I have written an incremental elastic FE code, and an incremental hypoelastic FE code. Using both codes, I s...

0 comments posted 21yrs

posted by greenbaboon1

0 comments posted 21yrs posted by greenbaboon1

torque required to stir liquid?

i'm trying to calculate how much motor torque is required to stir a liquid at a constant speed. liquid viscosity is 1.0...

7 comments posted 21yrs

posted by graham.hobbs

7 comments posted 21yrs posted by graham.hobbs

Students - Attend AAAS Annual Meeting for Free!

Student Session Aide volunteers receive a free meeting registration to the AAAS Annual Meeting in Washington, DC. The m...

0 comments posted 21yrs

posted by aaasmeeting

0 comments posted 21yrs posted by aaasmeeting