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    Thermal Control Strategies for Reliable and Energy-Efficient Data Centers

    Source: Journal of Electronic Packaging:;2019:;volume( 141 ):;issue: 004::page 41004
    Author:
    Khalid, Rehan
    ,
    Wemhoff, Aaron P.
    DOI: 10.1115/1.4044129
    Publisher: American Society of Mechanical Engineers (ASME)
    Abstract: Two self-developed control schemes, ON/OFF and supervisory control and data acquisition (SCADA), were applied on a hybrid evaporative and direct expansion (DX)-based model data center cooling system to assess the impact of controls on reliability and energy efficiency. These control schemes can be applied independently or collectively, thereby saving the energy spent on mechanical refrigeration by using airside economization and/or evaporative cooling. Various combinations of system-level controls and component-level controls are compared to a baseline no-controls case. The results show that reliability is consistently met by employing only sophisticated component-level controls. However, the recommended conditions are met approximately 50% of the simulated time by employing system-level controls only (i.e., SCADA) but with a reduction in data center cooling system power usage effectiveness (PUE) values from 3.76 to 1.42. Moreover, the recommended conditions are met at all averaged times with an even lower cooling system PUE of 1.13 by combining system-level controls only (SCADA and ON/OFF controls). Thus, the study introduces a simple method to compare control schemes for reliable and energy-efficient data center operation. The work also highlights a potential source of capital expenses and operating expenses savings for data center owners by switching from expensive built-in component-based controls to inexpensive, yet effective, system-based controls that can easily be imbedded into existing data center infrastructure systems management.
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      Thermal Control Strategies for Reliable and Energy-Efficient Data Centers

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4258329
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    contributor authorKhalid, Rehan
    contributor authorWemhoff, Aaron P.
    date accessioned2019-09-18T09:03:20Z
    date available2019-09-18T09:03:20Z
    date copyright7/12/2019 12:00:00 AM
    date issued2019
    identifier issn1043-7398
    identifier otherep_141_04_041004
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4258329
    description abstractTwo self-developed control schemes, ON/OFF and supervisory control and data acquisition (SCADA), were applied on a hybrid evaporative and direct expansion (DX)-based model data center cooling system to assess the impact of controls on reliability and energy efficiency. These control schemes can be applied independently or collectively, thereby saving the energy spent on mechanical refrigeration by using airside economization and/or evaporative cooling. Various combinations of system-level controls and component-level controls are compared to a baseline no-controls case. The results show that reliability is consistently met by employing only sophisticated component-level controls. However, the recommended conditions are met approximately 50% of the simulated time by employing system-level controls only (i.e., SCADA) but with a reduction in data center cooling system power usage effectiveness (PUE) values from 3.76 to 1.42. Moreover, the recommended conditions are met at all averaged times with an even lower cooling system PUE of 1.13 by combining system-level controls only (SCADA and ON/OFF controls). Thus, the study introduces a simple method to compare control schemes for reliable and energy-efficient data center operation. The work also highlights a potential source of capital expenses and operating expenses savings for data center owners by switching from expensive built-in component-based controls to inexpensive, yet effective, system-based controls that can easily be imbedded into existing data center infrastructure systems management.
    publisherAmerican Society of Mechanical Engineers (ASME)
    titleThermal Control Strategies for Reliable and Energy-Efficient Data Centers
    typeJournal Paper
    journal volume141
    journal issue4
    journal titleJournal of Electronic Packaging
    identifier doi10.1115/1.4044129
    journal fristpage41004
    journal lastpage041004-12
    treeJournal of Electronic Packaging:;2019:;volume( 141 ):;issue: 004
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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