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艾默生网络能源公司推出带高密度电子集成冷却的Liebert XDK机柜外壳

2007年04月12日 10:29:00 中国传动网

俄亥俄4月10日新闻――艾默生公司的下属公司和执行关键业务全保障理念的全球龙头企业艾默生网络能源公司今天宣布推出Liebert XDK,这是一款带集成冷却功能的Knurr机柜外壳。艾默生最近收购Knurr公司数据中心机柜业务,19英寸机柜目前已经推向美国市场,为17kw高密度电子提供安全而可靠的冷却机柜。 首次推出的Liebert XDK利用水作为流体释放外壳的热量,该机柜外壳在欧洲以Knurr CoolTherm®为商标名称销售。这是一个封闭结构方案,运用内部空气循环将热量释放到外壳,该外壳完全封闭,与外界空气和环境条件隔离。机柜集成冷却水系统通过机柜底部的一个高效的空气——水热交换器吸收服务器热负荷。 该方案使得IT 专家可以配置刀片式服务器和其他高密度热负荷处理设备而不会在其数据中心产生新的过热点。带温度相关调速的冗余高性能风扇驱动机柜内部的闭环空气循环,同时,在机柜前端为服务器提供冷空气。Liebert XDK与传统的空间冷却系统比较,可以将冷却系统的效率提高30%。 “因为Liebert XDK是与环境条件隔离的,这使数据中心管理人员拥有机柜水平更多的功能和更高的冷却灵活性,同时,它还适合高实用性环境下的设计改变和需求改变” 艾默生网络能源公司Liebert XD高级产品经理 Lennart Stahl说道,“该封闭架构,基于水的系统是高表面放热率应用的理想选择,在这些应用中噪音隔离是计算机房中的另外一个重要的要求。” Liebert XDK的性能和节省空间的关键是在于Liebert XDP抽水机组,也即冷冻剂分配机组(CDU)该机组具有重要的控制特性,将液体温度维持在露点以上,以防止液体冷凝在机柜外壳的管道,线圈上和柜壁上。Liebert XDP另一个关键的作用是确保楼宇冷冻水系统和Liebert XDK间的绝缘。 Liebert XDK是艾默生公司成熟的高表面放热率冷却方案Liebert XD产品线的拓展,该方案通过补充传统的冷却技术和瞄准高密度区域从而提高业务连续性。Knurr是总部位于德国的设备装架和机箱的龙头生产商,2006年被艾默生公司收购,并且纳入艾默生网络能源公司业务,艾默生网络能源公司业务包括Liebert电源,冷却技术和监控技术。Knurr产品线补充了艾默生网络能源公司现在的机箱产品线,使艾默生成为了世界第二大机柜系统生产商以及计算机冷却龙头供货商。 更多Liebert XDK信息或Liebert其他技术信息以及艾默生网络能源公司服务信息登陆网站: www.liebert.com。 original text [COLOR=#708090]Rockwell Emerson Network Power Introduces Liebert XDK Rack Enclosure With Integrated Cooling for High Density Electronics Part of the Liebert XD family of high heat-density cooling solutions, the 19-inch rack can improve cooling system energy efficiency by 30 percent Columbus, Ohio (April 10, 2007) — Emerson Network Power, a business of Emerson (NYSE: EMR) and the global leader in enabling Business-Critical Continuity™, today announced the availability of the Liebert XDK, a Knurr rack enclosure with integrated cooling capabilities. A product of Emerson`s recent acquisition of Knurr Inc., the 19-inch rack is now available in the United States and provides secure and reliable cooling for up to 17 kW of high-density electronics. This first release of the Liebert XDK, which has been marketed in Europe as the Knurr CoolTherm®, utilizes water as the fluid to transport the heat out of the enclosure. It is a closed architecture solution utilizing air circulation internal to the enclosure that is completely sealed from room air and environmental conditions. Server heat load is absorbed by the rack`s integrated cold water system through a high efficiency air-to-water heat exchanger in the bottom of the rack. This solution enables IT professionals to deploy blade servers and other high density heat load computing equipment without creating hot spots in their data centers. Redundant high-performance fans with temperature-dependent speed regulation drive closed loop air circulation in the rack`s interior, while servers are supplied with cold air at the front of the rack. The Liebert XDK can improve cooling system efficiency by up to 30 percent compared to traditional room cooling systems. “Because it is independent from environmental conditions, the Liebert XDK gives data center managers greater power and cooling flexibility at the rack level while they adapt to design and demand changes in high-availability environments,” said Lennart Stahl, Liebert XD senior product manager at Emerson Network Power. “The closed architecture, water-based system is ideal for high heat density applications where noise containment is another important requirement for the computer room.” Key to the performance and space saving of the Liebert XDK is the Liebert XDP pumping unit, also known as a coolant distribution unit (CDU). This unit delivers the critical control feature of maintaining the fluid temperature above the dew point to prevent condensation on the piping, coils and walls of the enclosure. Another key role of the Liebert XDP is to ensure isolation between the building chilled water system and the Liebert XDK. The Liebert XDK is an extension of Emerson`s Liebert XD line of proven high heat-density cooling solutions that improves business continuity by supplementing traditional cooling and targeting high density areas. Knurr Inc., a leading manufacturer of equipment racks and cabinets based in Germany, was acquired by Emerson in January 2006, and has been integrated into the Emerson Network Power business, which includes Liebert power, cooling and monitoring technologies. The Knurr line complements Emerson Network Power`s existing line of enclosures and makes Emerson the world`s second-largest manufacturer of rack systems, along with being the leading computer cooling supplier. For more information on Liebert XDK, or any other Liebert technologies and services from Emerson Network Power, visit www.liebert.com.[/COLOR]
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