Talk:Helmholtz's theorems

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[edit] Vortex Tube

We have a bad reference out here - the VT referenced is a bit of hardware.I'll spatchcock a definition from GKB for the time being. Bob aka Linuxlad 23:11, 15 December 2005 (UTC)

Later... I've rescued the VT reference by putting the definition as a short disambiguation in front of the hardware one. Of more concern is that the words here seemed to imply that the integral was at right angles to the walls of a vortex tube, not over a cross-section of it. But the wall integral is zero, because it's at right angles to the vortex lines :-) (Batchelor p92 refers) Linuxlad