数据中心高密度机柜的风冷系统及其散热能力分析OA

With the rapid development of information technology and the wide application of intelligent arithmetic,the power density of a single cabinet continues to increase.Such high-power-density configurations cause severe cooling challenges while significantly increasing computing power.This study tests a two-phase microchannel self-driven cabinet-level air-cooling system for data centers dominated by air-cooling technology.The test results show that the system can achieve a heat-transfer capacity of 40 kW.The system is subsequently applied to a high-density cabinet demonstration project in Taiyuan.The measured data show that when the power of the cabinet reaches 30 kW under full-load conditions,this system can effectively satisfy its heat-dissipation requirements.In addition,this study constructs a heat-transfer model based on experimental data and further explores the heat-transfer capability of two-phase self-driven cabinet-level air-cooled terminals under different external conditions,with the aim of exploring the limits of air-cooling systems.The results show that the air-cooled terminal can realize a heat dissipation of 65.2 kW if the return air temperature of the cabinet-level terminal is maintained at 35℃,the temperature of the chilled water source is as low as 12℃,and the wind speed on the terminal reaches 5 m/s.Based on experimental validation and theoretical analysis,this study offers new possibilities and technical support for stock air-cooled data centers to further improve their arithmetic power.