There are many work safety examples on the need for proper grounding before working on piping to avoid electric shocks.
It is harder to find examples where AC-, or for that matter DC-, ground current flows through piping and excites vibration. One example is where multiple pipes having differences in ground potential share a pipe support, redistribute current and interact.
The problem is multidisciplinary as electricity people rarely measure vibration and vice versa.
Are there any published examples of such a situation?
Hej,
Har ett exempel som funkade och jag kan emaila.
Rent allmänt, så verkar det som strömmen följer sin linje, och om det inte är isolerat så hoppar det i luften, enligt vissa (observerade/antagna) mönster. Detta används i komponenter, olika skalor, på sistone alltmer små(?). Det är väl vinkelrätt mot strömriktningen, i ngn mening, vissa tillämpningar.
There is a fatigue limit; threshold below which no inelastic response, in many materials, but with new materials and processes,... you know...
There is one piping example, historically, but on a larger scale and I am almost sure this was not due to electricity itself.
Hej Lena
Any information is welcome. Feel free to drop me a mail.
Sincerely
Claes
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