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Lofty Thought of the Day
- Category: Science & Technology
Researchers at Oregon State University and the Pacific Northwest National Laboratory have discovered a new way to apply nanostructure coatings to make heat transfer far more efficient, with important potential applications to high tech devices as well as the conventional heating and cooling industry.
These coatings can remove heat four times faster than the same materials before they are coated, using inexpensive materials and application procedures.
The discovery has the potential to revolutionize cooling technology, experts say.
The findings have just been announced in the International Journal of Heat and Mass Transfer, and a patent application has been filed.
"For the configurations we investigated, this approach achieves heat transfer approaching theoretical maximums," said Terry Hendricks, the project leader from the Pacific Northwest National Laboratory. "This is quite significant."
The improvement in heat transfer achieved by modifying surfaces at the nanoscale has possible applications in both micro- and macro-scale industrial systems, researchers said. The coatings produced a "heat transfer coefficient" 10 times higher than uncoated surfaces.
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