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A cool system

Posted: Tuesday, Mar 4th, 2014


Assistant professor Gregory Michna of the South Dakota State University Mechanical Engineering Department explains the operation of the larger pulsating heat pipe model, particularly the cooling end. His work is supported by a grant from the South Dakota Board of Regents.


• Mechanical engineer investigates passive cooling system for microelectronics



BROOKINGS – On a cold winter day, heat is a good thing, but not when it comes to electronics.

Assistant professor Gregory Michna of the SDSU Mechanical Engineering Department is developing a means of cooling laptops and portable electronic devices more efficiently.

He is investigating tiny flexible pipes that can cool a device while using a minimum amount of power. It’s called a pulsating or oscillating heat pipe cooling system.

“It can move a lot of heat without a power input and is cheaper to manufacture than traditional heat pipes,” Michna explained. Current cooling systems use fluid-filled copper piping with a wick structure along with a fan called a heat pipe.

For the complete article see the 03-04-2014 issue.

Click here to purchase an electronic version of the 03-04-2014 paper.











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