⚙ Mechanical Engineering

Intellectual Property - I'd like your input

Hello All, I have a bit of a dilemma and I'd appreciate you input. I have an associate that I hired to do some design w...

11 comments posted 20yrs

posted by Sales

11 comments posted 20yrs posted by Sales

Best source for steel tempering temps/times

I'm trying to find the best source for ITDs, and/or martempering times and temps. It'd really be nice if there's a sour...

2 comments posted 20yrs

posted by ret1

2 comments posted 20yrs posted by ret1

DC motor controller help please?

Hi all, I'm a Mechanical Engineering senior, and as you all probably recall, that means it's senior project time. My qu...

12 comments posted 20yrs

posted by wallace.k

12 comments posted 20yrs posted by wallace.k

So does anyone else see the meter definition as silly

A meter by definition is defined as the length of the path travelled by light in absolute vacuum during a time interval...

40 comments posted 20yrs

posted by Realspace

40 comments posted 20yrs posted by Realspace

Could anyone like to share some vibration data of planetary gearboxes ?Thanks

Hi, There, I am working on the fault diagnosis using vibration signal of planetary gearboxes. I have no vibration data...

1 comments posted 20yrs

posted by ny_abc2000

1 comments posted 20yrs posted by ny_abc2000

Vertical deflection of load cell in cheap electronic weighing scales

For a low-weight (say 250g) application in a cheap electronic weighing scales using a strain gauge load cell, what is t...

2 comments posted 20yrs

posted by 100566.3716

2 comments posted 20yrs posted by 100566.3716

jerk, ping, and so forth?

In Kinematics class we were learning about cam design, and about how you want to minimize the 'jerk' and 'ping' of the...

2 comments posted 20yrs

posted by haponik

2 comments posted 20yrs posted by haponik

Help required : FEM Code in c++

Hi all, I am Raghavendra..I have a Bachelors in Mechanical and Masters in chemistry from BITS,pilani,India...I am inter...

1 comments posted 20yrs

posted by raghavendra.dharmarao

1 comments posted 20yrs posted by raghavendra.dharmarao

question about forces

If I hang a smooth ring on a smooth rope strung between two points at the same height (and secured at those points), an...

8 comments posted 20yrs

posted by chris

8 comments posted 20yrs posted by chris

Need Journal Names

What would be good letters journals to try to publish some mathematical results of gyroscope dynamics? What regular jou...

7 comments posted 20yrs

posted by private

7 comments posted 20yrs posted by private

Von Karman Vortex Shedding

I am looking for data on von Karman vortex shedding high Reynolds numbers, greater than 10^6. Thanks Dick Dean

2 comments posted 20yrs

posted by dean

2 comments posted 20yrs posted by dean

vibration damping

what is the best "vibration damping" engineering material.

25 comments posted 20yrs

posted by jas_nitj

25 comments posted 20yrs posted by jas_nitj

why compressor in refrigeration?

today, i saw a big compressor installed with a expansion unit in refrigeration plant. what is the reason of mounting co...

4 comments posted 20yrs

posted by jas_nitj

4 comments posted 20yrs posted by jas_nitj

Solar Ovens

I'm reading about solar ovens today. They work by reflecting light into a box with reflective sides, a black bottom, an...

33 comments posted 20yrs

posted by learningmagic

33 comments posted 20yrs posted by learningmagic

Difference between a Centrifugal pump and Fan Pump

Can anyone explain what is the difference between a centrifugal pump and fan Pump ? For me It looks the same except for...

5 comments posted 20yrs

posted by rprabhakaran

5 comments posted 20yrs posted by rprabhakaran