数据中心用热管空调系统研究进展  

Advances of computer room air conditioner integrated with loop heat pipe for data center cooling

作　　者：卢大为 王飞 王建民 邵双全 LU Dawei;WANG Fei;WANG Jianmin;SHAO Shuangquan(Chengde Division of Hebei Special Equipment Supervision and Inspection Institute&Testing Center,Chengde 067050,China;Climaveneta Chat Union Refrigeration Equipment(Shanghai)Co.,Ltd.,Shanghai 201419,China;CNPC Beijing Richfit Information Technology Co,Ltd.,Beijing 102200,China;School of Energy and Power Engineering,Huazhong University of Science and Technology,Wuhan 430074,China)

机构地区：[1]河北省特种设备监督检验研究院承德分院,河北承德067050 [2]克莱门特捷联制冷设备(上海)有限公司,上海201419 [3]中国石油昌平数据中心,北京102200 [4]华中科技大学能源与动力工程学院,武汉430074

出　　处：《流体机械》2022年第1期75-84,共10页Fluid Machinery

基　　金：国家重点研发计划项目(2020YFF0218600);国家自然科学基金项目(52076085)。

摘　　要：针对回路热管机房空调在数据中心冷却中的适用性问题,总结了数据中心用回路热管空调系统最新研究进展,对比分析了重力型、气相动力型和液相动力型3种回路热管机房空调系统,并介绍了3种回路热管自然冷却与蒸气压缩主动制冷相结合的一体式机房空调系统的构成方式与运行性能,结果表明3种回路热管在不同的应用场景下都具有良好的节能效果:从驱动方式而言重力热管节能效果最优;从使用地区而言,寒冷地区优于温和地区;蒸气压缩/回路热管一体式机房空调系统全年能效比可以达到10.0以上,年均可节能30%左右。并指出了该技术所需关注的技术问题,为其在数据中心冷却系统节能领域的研究与应用提供参考。For the applicability of computer room air conditioner with loop heat pipe for data center cooling,the recent advances of CRAC with loop heat pipe were summarized for its feasibility in data center cooling.CRAC with three types of loop heat pipes,i.e.gravity driven,gas pump assisted and liquid pump assisted,were comparatively analyzed.And composition method and operating performance of the integrated CRAC system which combines the free cooling of these three types of loop heat pipes with the vapor compression refrigeration were introduced.The results show that all of these three types of loop heat pipes can achieve good energy saving effect in different application scenarios.The gravity driven heat pipe has the best energy saving effect in terms of drive mode;and the energy saving effect of the gravity driven heat pipes in cold regions is better than warm regions in terms of regions of use;The annual energy efficiency ratio of the integrated system with loop heat pipe and vapor compression can reach above 10.0 with annual average energy savings of about 30%.The technical problems concerned about by this technology were pointed out,which provides references for the researches and applications in the energy saving field of cooling system in data center.

关 键 词：数据中心冷却 回路热管 机房空调 自然冷却 节能 

分 类 号：TH12[机械工程—机械设计及理论] TB657.5[一般工业技术—制冷工程]