The real trick there is to get free cooling days, which means on a cooler day we’re just circulating chilled water and opening a window, so to speak.
真正的挑战是实现免冷却日，比方说，在凉快一些的日子里，我们会仅让冷却水循环并打开窗户。
But this strategy will only work in cooler regions, and Google's global ambitions may eventually require data centers in hotter climates unsuitable for free cooling.
但是这个策略只适用于寒冷的区域，而google的全球野心可能最终需要在那些不适用免费冷却技术的区域建立数据中心。
Various energy conservation technologies incorporated for water chillers such as heat recovery, ice-thermal storage and free cooling are also introduced.
先进的离心式冷水机组不仅具有制冷功能，而且具有热回收、冰蓄冷、免费取冷等多种功能，节能效果显著。
WBT could be applied to cooling tower fan control in summer and to the judgment of the use of "free cooling" by cooling tower in winter as well.
湿球温度参数已在冷却塔风机控制、冷却塔冬季免费供冷等多处得到了工程应用。
Analyses and calculates the thermal characteristics of the key equipment-air cooler for indirect free cooling tower used in communication rooms.
分析和计算了程控机房间接利用室外冷源的关键设备空气冷却器的热工特性。
Free cooling takes advantage of the temperature difference between the outside air and the return water to cool the water before returning it at a lower temperature to be chilled.
自然制冷系统利用的是外界空气与回水的温差，使它在回流到系统之前先将水温降到一个低值。
Free cooling takes advantage of the temperature difference between the outside air and the return water to cool the water before returning it at a lower temperature to be chilled.
自然制冷系统利用的是外界空气与回水的温差，使它在回流到系统之前先将水温降到一个低值。
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