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In datacenter migration, when trying to cool the data center, people usually have to consider the external temperature, the cooling capacity of the cooling unit, and the airflow of the fan. For the cold of space, everyone feels filled with emptiness and desolation, but no more thoughts.

However, the situation may change, and a small venture is planning to use radiant space cooling, a fascinating natural phenomenon that allows people to transfer heat to space. SkyCool has begun developing panels that can generate heat at wavelengths of 8 to 13 microns. These wavelengths will not be absorbed by the earth.
The cold of space
Eli Goldstein, co-founder and chief executive of SkyCool, said: "basically, it can make full use of space. It turns out that it is very cold. More generally, space is the final radiator, which is only about 270 degrees below zero. "
Although this phenomenon has been known and studied for centuries, the company's panel is made of a layer of silver film, covered with silica and hafnium oxide layer and can eliminate heat during the day.
The prototype of the system was installed in a two storey office building in Las Vegas in 2014. Under direct sunlight, the panel is 4.9 C (8.8 F) lower than ambient air temperature and can provide 40.1 watts of cooling power per square metre.
"What we do is that they can not absorb the heat of the sun, but at the same time they can radiate heat into space in the form of infrared radiation. And the combination of this nature has never appeared in any natural material, and it has only recently been designed to make up for it. Goldstein said.
The start-up company is composed of three researchers from Stanford University: Goldstein, postdoctoral consultant Aaswath Raman, and Shanhui Fan. Last year, the SkyCool system began to commercialize research conducted by Stanford University for the first time.
"At the end of this summer, we hope to install some devices in California," Goldstein said. "Then the plan will be to deploy more panels and expand the scale in more locations."
The company hopes its recycled water glycol panel will be successful in industries requiring high cooling load, such as data centers, refrigeration and commercial cooling.
"In the early days, we were more concerned with the edge data center," Goldstein said. "I think it's very interesting for large products: as long as you want to cover the whole load, you need to provide adjacent space for the panel, not just the roof. The panel can also be used in conjunction with the traditional cooling system to reduce the water consumption of the cooling tower or to cool the electricity in a more traditional way.
He added: "we have communicated with the data center company several times. I think the biggest challenge we face now is that because the company is smaller, we want to install and deploy in a data center or a larger data center over 5MW, which is a big installation for us. "
Another challenge, he said, is that no company wants to try this technology, especially in data centers and other facilities. We know that the technology itself is effective. I can cool the water and transmit it through the pump, and show that we can cool the water. What we need to prove next is not technology, but our ability to deploy in an economically efficient way and to link it to the actual system.
"The energy is very simple, we know how much heat we need to eliminate, and how much heat can be eliminated by the panel, now it's about how we do it on a large scale."