Energy efficiency approaching limit: aliyun display server-aliyun liquid cooled black technology, Server-IT information

Thermos bottle heater boils water fast is to use the advantages of the immersion, so if you want to cool it? Aliyun scientists in Nanjing April 26 cloud the General Assembly summit shows the total immersion "cool faster"--the server Kirin, immersed in liquid cooling servers, this programme can be used without air conditioning, energy efficiency (PUE) approach the theoretical limit of 1.0.

This is the "Unicorn" data center solutions are publicly displayed for the first time, the extremely low energy technology solutions will be applied to services will also be important foundation of Alibaba's NASA plan, offering capacity for the next 20 years.

Using the principles of heat exchange, Alibaba Server Board engineer be completely immersed in a special coolant, server speed operation produces a lot of heat is absorbed by the coolant directly into the outer cycle cooling, the whole energy consumption used for cooling of almost zero. In traditional data centers, where almost half the power consumption on the heat.

Liquid cooling is a very efficient way of cooling heat sink, but apply it on a commercial server cluster is the first time. Thanks Yu immersion type liquid cold efficient of thermal efficiency, "Kirin" without fan, and air conditioning, large refrigeration equipment, can in any place deployment, save space 75% above, units volume within of calculation capacity than past upgrade has 10 times times; high sealed sex also makes components away from humidity, and dust, and vibration of effect, by interference situation almost for 0; while, this special liquid completely insulation and no corrosion sex, even immersion components 20 years above, components not occurred any changes, also not on electronic components produced any effect.

At present, the "Unicorn" has passed the preliminary test and validate, through aliyun providing computing services.

能源利用率逼近极限：阿里云展示服务器液体冷却黑科技 - 阿里云,服务器 - IT资讯

热得快可以快速烧水是利用了浸没的优势，那么如果要降温呢？阿里云科学家在4月26日的云栖大会·南京峰会上展示了全浸没的“凉得快”服务器——麒麟，把整台服务器浸在液体里循环冷却，这一方案可以无需使用空调，能源使用率(PUE)逼近了理论极限值1.0。

这是“麒麟”数据中心解决方案首次公开展示，这种耗能极低的技术方案将应用于服务，也将成为阿里巴巴的NASA计划的重要基础，可为未来20年提供计算能力。

利用热交换的原理，阿里巴巴工程师将服务器主机板完全浸没在一种特殊的冷却液里，极速运算的服务器产生大量热量可被冷却液直接吸收进入外循环冷却，全程用于散热的能耗几乎为零。在传统数据中心里，几乎有一半的电能消耗在了散热上。

液体降温是一种极为高效的降温散热方式，但运用到商用服务器集群上还是头一次。得益于浸没式液冷高效的散热效率，“麒麟”无需风扇、空调等大型制冷设备，可在任何地方部署，节省空间75%以上，单位体积内的计算能力比过去提升了10倍；高密封性也使得元器件远离湿度、灰尘、振动的影响，受干扰情况几乎为0;同时，这种特殊液体完全绝缘且无腐蚀性，即使浸没元器件20年以上，成分不会发生任何变化，也不会对电子元器件产生任何影响。

目前，“麒麟”已经通过了初步测试和验证，将通过阿里云对外提供计算服务。