Menu
Researchers provide a chill to fan-cooled PCs

Researchers provide a chill to fan-cooled PCs

Researchers at Intel and Purdue University are pursuing air-cooling technology that can make chips 200 percent cooler.

Researchers at Purdue University and Intel have developed heat dissipation technology that can boost the performance of chip-cooling systems by up to 200 percent.

The researchers are developing ionic wind engines, devices that work with current air-cooling technologies like fans and heat sinks. The devices pass an electrical current to stir up stationary air molecules, leading to better air flow and dissipation of heat.

"To date, we have demonstrated that the technology can enhance fan cooling by more than 200 percent," said Suresh Garimella, professor at Purdue University, who is also a researcher on the project.

Current air cooling technology is attractive because of its cost advantages and ease of implementation, Garimella said. However, fans and heat sinks can't manage all the heat generated by chips.

Ionic wind engines can be placed on a chip or a laptop to complement the current air-cooling technology to better manage heat dissipation, avoiding the need to switch to alternative, costlier cooling approaches like liquid cooling, Garimella said.

"The ionic wind technology we are developing is designed to work in addition to conventional fan-driven methods, not necessarily as a replacement for current systems," Garimella said.

Ionic winds are generated when electrically charged atoms stir up air molecules, which normally are stationary. When a current flows from a negatively charged electrode to a positively charged electrode, it collides with air molecules, producing positively charged ions that move back toward the negatively charged electrodes, creating an ionic wind. When the ionic wind gets the air molecules moving, the air flow on the chip surface increases, leading to better heat transfer and dissipation.

The engines are small enough to be fabricated on a chip or laptop and can be selectively placed depending on air flow, Garimella said. The researchers are trying to miniaturize the millimeter-scale devices to micron-scale dimensions.

Size reduction is just one problem facing researchers in putting the engines to practical use. Portable platforms pose a challenge as there is limited space for cooling systems, he said. Moreover, as chips become faster the amount of heat that needs to be removed increases, which increases the challenge to cool down a laptop and its surfaces, Garimella said.

"We are currently dealing with challenges to demonstrate the viability of the technology at the micro scale, and these must be overcome before the technology can be brought to market, at least for the chip-cooling arena," he said.

Garimella couldn't comment on when the technology will reach chips, but he noted some inherent advantages over alternatives like liquid cooling.

"Although liquid cooling typically provides higher heat removal rates, air cooling technologies are cheaper to implement and by using ionic wind engines, their cooling capacity can be enhanced," Garimella said.


Follow Us

Join the newsletter!

Or
Error: Please check your email address.

Featured

Slideshows

Bumper channel crowd kicks off first After Hours of 2018

Bumper channel crowd kicks off first After Hours of 2018

After Hours made a welcome return to the channel social calendar with a bumper crowd of partners, distributors and vendors descending on The Jefferson in Auckland to kick-start 2018. Photos by Gino Demeer.

Bumper channel crowd kicks off first After Hours of 2018
Looking back at the top 15 M&A deals in NZ during 2017

Looking back at the top 15 M&A deals in NZ during 2017

In 2017, merger and acquisitions fever reached new heights in New Zealand, with a host of big name deals dominating the headlines. Reseller News recaps the most important transactions of the Kiwi channel during the past 12 months.

Looking back at the top 15 M&A deals in NZ during 2017
Kiwi channel closes 2017 with After Hours

Kiwi channel closes 2017 with After Hours

The channel in New Zealand came together to celebrate the close of 2017, as the final After Hours played out in front of a bumper Auckland crowd.

Kiwi channel closes 2017 with After Hours
Show Comments