On Tue, Oct 14, 2014 at 8:15 AM, Bob Higgins <[email protected]> wrote:
Why do we think the end caps are so big? Are they part of a lower > temperature insulated mounting system? > The following is a bit speculative, but perhaps someone can correct any misstatements I make -- if there is a magnetic field being created by the cables coiling around the tube [1], I believe the field would point along the axis of the tube, creating a theta pinch, even if only momentarily. The larger caps may have been a development that came about because additional protection was needed to prevent catastrophic degradation of the material at the ends of the tube. Eric [1] I do not assume the cables are Inconel; they might be something that can sustain higher temperatures.
