Next-Gen CPU Cooler Uses Bubbles

ErikStenger

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According to the company, the Silentflux system--dubbed as a passive pro "no fan required" high performance cooler--went on display this week at the SEMI-THERM 25 trade show held in San Jose, California. However, in a press release distributed yesterday, Noise Limit said that its Silentflux system utilizes bubble pump technology, removing the cooling fan completely with the aid of a high efficiency condenser. An evaporator (boiling) chamber collects the heat generated by the CPU, thus causing gas bubbles that, in turn, create a pump effect. The heat thus moves through the closed loop tubing via a hot liquid into a highly efficient condenser/radiator (fin area). Gas is then condensed and returned to the evaporator chamber. Hopefully all those gas bubbles and hot liquids won't create an explosive effect, especially after eating a night's worth of spicy food.

Noise Limit said that the Silentflux design is still patent pending, and that end-users can accommodate the Silentflux for any situation, whether they want to capture heat from dual CPUs, or from a CPU and a GPU in a gaming rig. “Noise Limit’s cooling system products are intrinsically engineered to achieve a new low noise threshold, but the design also offers greater flexibility in footprint design for various computing-based applications including media centers, all-in-one PC, servers, and high-end gaming products,†said Bob Senior, executive vice president at Noise Limit.

Granted a boiling chamber planted within the PC seems a little risky--if not dangerous, Noise Limit assures consumers that the Silentflux system is extremely reliable, extremely predictable, and is insensitive to temperature, vibration, and shock. The company even claims that the system will not leak. When compared to heat pipes, the Silentflux provides up to 50 percent less thermal resistance because it is an ultra-low pressure-drop system; this allows for very low fan velocities at the radiator end of the system.

"In typical operation, the cooling action will be functioning but the product will seem quiet to the product user," the company said. "Bubble pump technology is not only efficient in capturing and transferring heat, it is silent, too. And it works to temperatures as low as -40C."

By using simple physics principles, Noise Limit has created a unique way to remove heat from the CPU without the need for noisy cooling fans. And because the Silentflux offers unlimited design options and scalability, this "next generation" cooling system may actually be the way to go for PC enthusiasts and PC gamers alike. The Silentflux is not only easy on the ears, but is 100 percent recyclable, uses low power, and is extremely cost-effective.

"The team has made great strides by lowering noise reduction in a solution that has great performance and high reliability," said AMD.
 
How it works.

silentflux3.jpg


silentflux1.jpg
 
Yeah it's fanless and reservoir free radiator. Did not take much thought. It will overheat very easly
 
I would think the bubbling effect would help negate any thermal migration due to the inefficiency of gases in a loop. Even a very low-flow pump would be much more efficient. It's a gimmick if I ever saw one.
 
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