Issam Mudawar, a professor of mechanical engineering at Purdue University, demonstrates the liquid-cooling system he has developed for future computers. Within about three years, microprocessor chips are expected to generate four times the amount of heat as current chips, requiring innovative cooling systems to keep the chips from being damaged by heat. (Purdue News Service Photo/David Umberger)
Purdue University researchers have made a discovery that may lead to the development of an innovative liquid-cooling system for future computer chips, which are expected to generate four times more heat than today’s chips.
Researchers had thought that bubbles might block the circulation of liquid forced to flow through "microchannels" only three times the width of a human hair. Engineers also thought that small electric pumps might be needed to push liquid through the narrow channels, increasing the cost and complexity while decreasing the reliability of new cooling systems for computers.
Purdue researchers, however, have solved both of these potential engineering hurdles, developing a "pumpless" liquid-cooling system that removes nearly six times more heat than existing miniature pumpless liquid-cooling systems, said Issam Mudawar, a professor of mechanical engineering.
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