架空数据中心服务器负载变化对机架气流分布的影响

2011 27th Annual IEEE Semiconductor Thermal Measurement and Management Symposium Pub Date : 2011-03-20 DOI:10.1109/STHERM.2011.5767184

Pramod Kumar, V. Sundaralingam, Y. Joshi

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引用次数: 23

摘要

本文对预设穿孔瓦气流率下服务器级机架气流组织进行了实验研究。使用放置在活动地板数据中心设施中的22.8 kW服务器模拟器进行了一系列实验。通过调节服务器模拟器的风扇转速，可以调节机架的风量。采用粒子图像测速(PIV)技术捕捉了服务器模拟器入口冷通道中不同位置的气流模式。PIV图像被记录在不同的位置，然后结合起来得到整个机架入口的完整气流分布图。通过改变服务器模拟器风扇转速设置给定的穿孔瓦空气流速，研究了机架气流分布的各种情况。在调查的各种情况下，观察到空气分布模式的显著变化。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Effect of server load variation on rack air flow distribution in a raised floor data center

This paper presents experimental studies on server level rack air distribution for a preset perforated tile air flow rate. A series of experiments are performed using a 22.8 kW server simulator placed in a raised floor data center facility. The rack air flow rate is varied by adjusting the fan speed of the server simulator. Particle Image Velocimetry (PIV) technique is used to capture the air flow pattern at various locations in the cold aisle at the inlet of the server simulator. The PIV images are recorded at various locations and later combined to get the complete air distribution map across the rack inlet. Various cases of rack air flow distributions are investigated by varying the server simulator fan speed settings for given perforated tile air flow rate. A significant change in the air distribution pattern is observed for various cases investigated.

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2011 27th Annual IEEE Semiconductor Thermal Measurement and Management Symposium

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