I have some "extraflex" nylon pneumatic tubing which is quite nice for connecting components inside equipment because of its flexibility. I have noticed that after a few months it gets a coating of what I assume is plasticiser on it. You can't see it but you can feel it - it's greasy / sticky, a...
Related to my previous post - Can anyone tell me the meaning of the term co-energy, with respect to a magnetic system?
It vaguely rings a bell from my school physics many years ago, but I couldn't find a definition anywhere on the web. Even Wikipedia doesn't have an opinion, which is a first...
I have downloaded the trial version of this excellent software, and have been having fun designing an electromagnetic actuator. I want to simulate a static DC current flowing in the coil. Using a simple ACDC current source the parameters are magnitude (in Amps rms) and phase (in degrees). The...
