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    An Experimental Investigation of an Oscillating Heat Pipe Heat Spreader

    Source: Journal of Thermal Science and Engineering Applications:;2015:;volume( 007 ):;issue: 002::page 21005
    Author:
    Laun, F. F.
    ,
    Lu, H.
    ,
    Ma, H. B.
    DOI: 10.1115/1.4026815
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: With ever increasing technological advances in electronics, modern computer components continue to produce higher power densities that present a challenge to thermal management. A radial flatplate oscillating heat pipe (RFPOHP) heat spreader is investigated to study the effect of central heating on the heat transport capability in an OHP. The investigated OHP has dimensions of 100 mm أ— 100 mm أ— 2.5 mm with central heating using a 30 mm أ— 30 mm heater. Experimental results show that when heat is added to the center section of one side of the radial flatplate OHP, and when heat is removed from the whole surface of another side of the heat pipe, the startup power for the oscillating motion increases. In addition, the spacer effect on the heat transport capability including the startup is investigated experimentally. The spacer added between the cooling block and OHP could lower the startup power for oscillatory motion. When compared to a copper slab of the same dimensions in the same test configuration, the temperature difference for the OHP with and without the additional copper spacer was reduced by a maximum of 46% and 25%, respectively, at a power input of 525 W and a heat flux of 58 W/cm2.
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      An Experimental Investigation of an Oscillating Heat Pipe Heat Spreader

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    http://yetl.yabesh.ir/yetl1/handle/yetl/159705
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    • Journal of Thermal Science and Engineering Applications

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    contributor authorLaun, F. F.
    contributor authorLu, H.
    contributor authorMa, H. B.
    date accessioned2017-05-09T01:23:46Z
    date available2017-05-09T01:23:46Z
    date issued2015
    identifier issn1948-5085
    identifier othertsea_007_02_021005.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/159705
    description abstractWith ever increasing technological advances in electronics, modern computer components continue to produce higher power densities that present a challenge to thermal management. A radial flatplate oscillating heat pipe (RFPOHP) heat spreader is investigated to study the effect of central heating on the heat transport capability in an OHP. The investigated OHP has dimensions of 100 mm أ— 100 mm أ— 2.5 mm with central heating using a 30 mm أ— 30 mm heater. Experimental results show that when heat is added to the center section of one side of the radial flatplate OHP, and when heat is removed from the whole surface of another side of the heat pipe, the startup power for the oscillating motion increases. In addition, the spacer effect on the heat transport capability including the startup is investigated experimentally. The spacer added between the cooling block and OHP could lower the startup power for oscillatory motion. When compared to a copper slab of the same dimensions in the same test configuration, the temperature difference for the OHP with and without the additional copper spacer was reduced by a maximum of 46% and 25%, respectively, at a power input of 525 W and a heat flux of 58 W/cm2.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleAn Experimental Investigation of an Oscillating Heat Pipe Heat Spreader
    typeJournal Paper
    journal volume7
    journal issue2
    journal titleJournal of Thermal Science and Engineering Applications
    identifier doi10.1115/1.4026815
    journal fristpage21005
    journal lastpage21005
    identifier eissn1948-5093
    treeJournal of Thermal Science and Engineering Applications:;2015:;volume( 007 ):;issue: 002
    contenttypeFulltext
    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
    yabeshDSpacePersian
     
    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
    yabeshDSpacePersian