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    Thermal Resistances of Circular Source on Finite Circular Cylinder With Side and End Cooling

    Source: Journal of Electronic Packaging:;2003:;volume( 125 ):;issue: 002::page 169
    Author:
    M. M. Yovanovich
    ,
    Distinguished Professor Emeritus
    ,
    Principal Scientific Advisor
    DOI: 10.1115/1.1568124
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: General solution for thermal spreading and system resistances of a circular source on a finite circular cylinder with uniform side and end cooling is presented. The solution is applicable for a general axisymmetric heat flux distribution which reduces to three important distributions including isoflux and equivalent isothermal flux distributions. The dimensionless system resistance depends on four dimensionless system parameters. It is shown that several special cases presented by many researchers arise directly from the general solution. Tabulated values and correlation equations are presented for several cases where the system resistance depends on one system parameter only. When the cylinder sides are adiabatic, the system resistance is equal to the one-dimensional resistance plus the spreading resistance. When the cylinder is very long and side cooling is small, the general relationship reduces to the case of an extended surface (pin fin) with end cooling and spreading resistance at the base. The special case of an equivalent isothermal circular source on a very thin infinite circular disk is presented.
    keyword(s): Temperature , Electrical resistance , Circular cylinders , Equations , Heat flux , Cooling AND Cylinders ,
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      Thermal Resistances of Circular Source on Finite Circular Cylinder With Side and End Cooling

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/128218
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    contributor authorM. M. Yovanovich
    contributor authorDistinguished Professor Emeritus
    contributor authorPrincipal Scientific Advisor
    date accessioned2017-05-09T00:09:54Z
    date available2017-05-09T00:09:54Z
    date copyrightJune, 2003
    date issued2003
    identifier issn1528-9044
    identifier otherJEPAE4-26218#169_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/128218
    description abstractGeneral solution for thermal spreading and system resistances of a circular source on a finite circular cylinder with uniform side and end cooling is presented. The solution is applicable for a general axisymmetric heat flux distribution which reduces to three important distributions including isoflux and equivalent isothermal flux distributions. The dimensionless system resistance depends on four dimensionless system parameters. It is shown that several special cases presented by many researchers arise directly from the general solution. Tabulated values and correlation equations are presented for several cases where the system resistance depends on one system parameter only. When the cylinder sides are adiabatic, the system resistance is equal to the one-dimensional resistance plus the spreading resistance. When the cylinder is very long and side cooling is small, the general relationship reduces to the case of an extended surface (pin fin) with end cooling and spreading resistance at the base. The special case of an equivalent isothermal circular source on a very thin infinite circular disk is presented.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleThermal Resistances of Circular Source on Finite Circular Cylinder With Side and End Cooling
    typeJournal Paper
    journal volume125
    journal issue2
    journal titleJournal of Electronic Packaging
    identifier doi10.1115/1.1568124
    journal fristpage169
    journal lastpage177
    identifier eissn1043-7398
    keywordsTemperature
    keywordsElectrical resistance
    keywordsCircular cylinders
    keywordsEquations
    keywordsHeat flux
    keywordsCooling AND Cylinders
    treeJournal of Electronic Packaging:;2003:;volume( 125 ):;issue: 002
    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
    yabeshDSpacePersian