James Hoburg

Emeritus Faculty – ECE

Department	Electrical and Computer Engineering
Office	D208 Hamerschlag Hall
Telephone	(412)-268-2473
Fax	(412)-268-2860
Email	hoburg@ece.cmu.edu

Research Interests

Retirement

Spending as much time as possible outdoors in the mountains and lakes of New Hampshire, with activities including hiking, running, bicycling, kayaking, snowshoeing and mosquito swatting. Items listed below are still of interest to me, but I'm doing no active work on them.

Magnetic bearings in flywheel energy storage systems

Magnetic fields and forces are modeled in systems that employ Halbach permanent magnet arrays in high speed magnetic bearings.

Electrohydrodynamic instability mechanisms in microfluidic applications

Very old work on electrohydrodynamic instability mechanisms driven by bulk fluid property gradients is currently relevant to microfluidic interactions.

Electromagnetic interactions

Descriptions of magnetic diffusion interactions have led to fundamental understanding of power frequency magnetic shielding principles and strategies, including multilayered shielding and simultaneous effects of flux shunting and flux redirection due to induced currents. More recent work focuses on shielding that results from induced currents in large scale loops formed by structural steel.