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Advance in microchannel manufacturing opens new industry applications
Date:4/1/2011

l now constrained the wider industrial use of this technology. The new manufacturing technique developed at OSU should help change that.

"We have demonstrated the use of surface-mount adhesives to create microchannels on a wide variety of metals, including aluminum, which is very cheap," said Prawin Paulraj, an OSU doctoral candidate and lead author on the recent study. "Bonding aluminum is difficult with conventional techniques."

These very thin pieces of patterned metal akin to aluminum foil can be bonded one on top of another to increase the number of microchannels in a heat exchanger, and the amount of fluid that can be processed. Creation of laminated microchannel arrays in a wide variety of materials is possible, including aluminum, copper, titanium, stainless steel and other metals.

"In computers and electronics, the heat generated by the electrical circuit is a limiting factor in how small you can make it," Paulraj said. "Microchannel process technology provides an efficient way to cool computers and consumer electronics, and make them even smaller."

The adhesives are limited in temperature to about that of boiling water. The researchers say that possible uses might include radiators to cool an automobile engine or small, very efficient heat pumps for efficient air conditioning within buildings.


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Contact: Brian Paul
brian.paul@oregonstate.edu
541-737-7320
Oregon State University
Source:Eurekalert

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