A hollow conductor is not analogous to a coaxial cable. It has no center conductor. In the case of the hollow conductor (copper pipe), current will flow on the outside surface only. Skin effect still applies and works exactly as if the conductor were solid.
73- Nick, WA5BDU On 7/9/2011 4:51 PM, Jim Dunstan wrote: > Yes, as in coax for an example. when transmitting eg via coaxial cable which > is properly installed the rf currents flow on the inside surface and not on > the outside surface. I mention proper installation .. In which case steps > are taken to keep the inside and outside surfaces separate (at rf). In your > example, plain copper pipe wil have a total surface of the inside + outside. > If you solder on caps then you will have just the outside. > > Jim > VE3CI > > Sent from my iPod > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
