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Message No. 20831, Started by novengineering on 10/01/09 Magnetic drag change I have an application with a electro-magnetic field mechanically rotating around a "stationary" circular object (pipe).  if I change the amperage going into the magnetic field thereby increasing the Mag field, I need to deterine the increased Mechanical drag on the rotating machine IE change in torque as a fuction of change in amperage  Any ideas?

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Follow-up Messages (3)

 

	Torque calculation for magnetic brake is the heading of the thread
	No. 20834, Posted by gerdb on 10/01/09, 17:47 PST.
	maybe this helps   http://www.eng-tips.com/viewthread.cfm?qid=255199...
	No. 20833, Posted by gerdb on 10/01/09, 17:43 PST.
	emprirical would be the easiest way to go     1.   m...
	No. 20832, Posted by gerdb on 10/01/09, 16:47 PST.

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