economizer

economizer - Lawrence Berkeley National Laboratory Title:...

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eScholarship provides open access, scholarly publishing services to the University of California and delivers a dynamic research platform to scholars worldwide. Lawrence Berkeley National Laboratory Title: Performance Evaluation for Modular, Scalable Liquid-Rack Cooling Systems in Data Centers Author: Xu, TengFang Publication Date: 08-13-2009 Publication Info: Lawrence Berkeley National Laboratory Permalink: http://www.escholarship.org/uc/item/5zc7h0sz Citation: Xu, TengFang. (2009). Performance Evaluation for Modular, Scalable Liquid-Rack Cooling Systems in Data Centers . Lawrence Berkeley National Laboratory: Lawrence Berkeley National Laboratory. LBNL Paper LBNL-2006E. Retrieved from: http://www.escholarship.org/uc/ item/5zc7h0sz Keywords: Performance Evaluation, Modular, Scalable, Liquid-Rack Cooling Systems, Data Centers
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Performance Evaluation for Modular, Scalable Liquid-Rack Cooling Systems in Data Centers Final Report To The California Energy Commission May 2009 Tengfang Xu Environmental Energy Technologies Division Lawrence Berkeley National Laboratory
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Disclaimer This document was prepared as an account of work sponsored by the United States Government and California Energy Commission. While this document is believed to contain correct information, neither the United States Government nor any agency thereof, nor California Energy Commission, nor The Regents of the University of California, nor any of their employees, makes any warranty, express or implied, or assumes any legal responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by its trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof, or The Regents of the University of California. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or any agency thereof or The Regents of the University of California.
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1 Contents EVALUATION FOR A MODULAR, SCALABLE LIQUID-RACK COOLING SYSTEM IN DATA CENTERS. .................................................................................................................................................... 2 1 PROBLEM STATEMENT . ............................................................................................................... 2 2 TECHNICAL OBJECTIVES. ........................................................................................................... 2 3 TECHNICAL INFORMATION ON THE CHARACTERISTICS OF COOLING SYSTEMS, SERVERS . .................................................................................................................................................... 3 3.1 MODULAR LIQUID-RACK COOLING EQUIPMENT. ........................................................................... 3 3.2 SERVER . ....................................................................................................................................... 5 3.3 SERVER POWER MANAGEMENT. .................................................................................................... 5 3.4 EQUIPMENT LOCATION. ................................................................................................................ 6 4 MEASURED PARAMETERS. .......................................................................................................... 8 5 DATA ACQUISITION SYSTEM. ..................................................................................................... 8 6 TEST PROCEDURES AND OPERATING CONDITIONS. .......................................................... 9 7 PERFORMANCE METRICS FOR MODULAR COOLING. ..................................................... 10 8 SUMMARY OF FINDINGS AND CONCLUSIONS. .................................................................... 12 9 ACKNOWLEDGEMENTS. ............................................................................................................. 16 10 REFERENCES. ................................................................................................................................. 16
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2 Evaluation for a Modular, Scalable Liquid-Rack Cooling System in Data Centers 1 Problem Statement Scientific and enterprise data centers, IT equipment product development, and research data center laboratories typically require continuous cooling to control inlet air temperatures within recommended operating levels for the IT equipment. The
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economizer - Lawrence Berkeley National Laboratory Title:...

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