Free cooling 自然冷却 ; 免费供冷 ; 免费制冷 ; 免费冷却
dust-free cooling 无尘冷却
the free cooling 自由冷却
free cooling water 冷却水免费供冷
free cooling system 免费冷却系统
Free Cooling Building 非空调建筑
free cooling by cooling tower 冷却塔免费供冷
This paper looked for and collected those researches regarding free-cooling home and abroad, and listed its types and characteristics.
本文在收集和整理国内外的一些研究成果的基础上，从免费制冷的原理出发阐述免费制冷技术的各种形式及其各自的特点。
参考来源 - 中央空调系统免费制冷技术的经济分析Presents the practical application and economic analysis of a system with reheating by heat-recovery and with free-cooling in one typical project.
本文以典型工程项目为背景分析说明螺杆式热回收机组、热回收再热系统、冷却水免费供冷等暖通节能手段的实际应用情况，并进行经济性分析。
参考来源 - 实用暖通节能措施分析及其在某印钞厂的应用·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
N a system that uses low ambient air temperature to chill water, esp for use in air conditioning (尤指空调制冷中)自然冷却
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。
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。
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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