November 28, 2021

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New cooling technology with double efficiency

New cooling technology with double efficiency

Thanks to the powerful chipset, today’s smartphones (not only) can playfully handle challenging games, but overheating can spoil the fun. There is not much space in the compact body of the smartphone where an efficient cooling system can be placed.

With increased performance, manufacturers are trying to figure out how to better cool mobile devices. One of them is too Chinese Xiaomi started a few days ago Submit in his blog Cool technology called Loop LiquidCool.

The good news is that this is not a prototype. The technology will enter the commercial market, but we will have to wait for it for a while. The Chinese manufacturer plans to present the first smartphone with this technology during the second half of 2022.

Photo: Xiaomi

Xiaomi is highlighting the advancement of technology by claiming that it was inspired by the cooling used in the aviation industry. According to the manufacturer, its cooling is twice as efficient as traditional evaporation chambers, which some flagship smartphones use.

Interesting solution

Xiaomi’s solution is also essentially a vapor chamber. But they work differently, they use the so-called capillary effect. It uses a pair of separate channels to separate the liquid from the gases.

Conventional fumigation chambers rely on a single channel, which may lead to mixing of the two materials. This naturally reduces cooling efficiency.

Photo: Xiaomi

The liquid refrigerant is attracted to the heat source, where it evaporates and then the heat is effectively dissipated towards the cold region until the detector condenses and is captured by a one-way closed channel. The system operates in a loop, which is what the name of the technology at the end indicates.

Editorial advice

The situation is complicated: the Galaxy S22 is said to have no graphics from AMD after all!

The technological design is designed to increase heat transfer capacity to cooler areas while reducing gas resistance. A special valve allows liquid to pass through the evaporator while preventing gases from flowing in the wrong direction. Rotation in one direction is key.

How effective is this cooling in practice? The manufacturer put it in a modified Mix 4 smartphone, which ran the Genshin Impact at 60 frames per second for 30 minutes. After half an hour While playing, the temperature of the smartphone rose to the temperature 47.7°C, which is 9 degrees Celsius lower than the standard version of the smartphone.

Photo: Xiaomi

Thus, improving cooling is not just cosmetic. At least according to the data provided by the manufacturer. There is another advantage – the system is relatively compact. Put yourself in the bowels of any smartphone, leaving more space for the battery or, for example, camera image sensors.

Loop LiquidCool technology looks interesting. However, its true effectiveness will be verified by independent tests, which we will have to wait until the second half of 2022.

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