I think it also depends on high quickly the wire temp oscillates, thermal conductivity, etc
On Wednesday, October 15, 2014, Jones Beene <[email protected]> wrote: > Depends on the camera exposure time… Probably a digital camera. What > would the exposure time be? > > > > *From:* ChemE Stewart > > > > The photo is an average of radiation from 50 Hz cycles, not > instantaneous...temp does not swing that quickly...?... > > If you zoom in very closely on the hot reactor photos you can see the the > dark lines are of uniform width, continuity and shade. > > If this is 3-phase 50-cycle, then the photo should be showing the gap of > the odd phase at any instant, which gap moves in one direction or the > other, which is the marquee-effect of 3-phase (effective directionality). > Thus one expects non-uniform width and continuity of the conductors … this > is really 3-phase, no? >
