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    Pulsed Thermal Imaging Measurement of Thermal Properties for Thermal Barrier Coatings Based on a Multilayer Heat Transfer Model

    Source: Journal of Heat Transfer:;2014:;volume( 136 ):;issue: 008::page 81601
    Author:
    Sun, J. G.
    DOI: 10.1115/1.4027551
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Thermal properties of thermal barrier coatings (TBCs) are important parameters for the safe and efficient operation of advanced turbine engines. This paper presents a new method, the pulsed thermal imaging–multilayer analysis (PTI–MLA) method, which can measure the coating thermal conductivity and heat capacity distributions over an entire engine component surface. This method utilizes a multilayer heat transfer model to analyze the surface temperature response acquired from a onesided pulsed thermal imaging experiment. It was identified that several experimental system parameters and TBC material parameters may affect the coating surface temperature response. All of these parameters were evaluated and incorporated as necessary into the formulations. The PTI–MLA method was demonstrated by analyzing three TBC samples, and the experimental results were compared with those obtained from other methods.
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      Pulsed Thermal Imaging Measurement of Thermal Properties for Thermal Barrier Coatings Based on a Multilayer Heat Transfer Model

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    http://yetl.yabesh.ir/yetl1/handle/yetl/155340
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    contributor authorSun, J. G.
    date accessioned2017-05-09T01:09:35Z
    date available2017-05-09T01:09:35Z
    date issued2014
    identifier issn0022-1481
    identifier otherht_136_08_081601.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/155340
    description abstractThermal properties of thermal barrier coatings (TBCs) are important parameters for the safe and efficient operation of advanced turbine engines. This paper presents a new method, the pulsed thermal imaging–multilayer analysis (PTI–MLA) method, which can measure the coating thermal conductivity and heat capacity distributions over an entire engine component surface. This method utilizes a multilayer heat transfer model to analyze the surface temperature response acquired from a onesided pulsed thermal imaging experiment. It was identified that several experimental system parameters and TBC material parameters may affect the coating surface temperature response. All of these parameters were evaluated and incorporated as necessary into the formulations. The PTI–MLA method was demonstrated by analyzing three TBC samples, and the experimental results were compared with those obtained from other methods.
    publisherThe American Society of Mechanical Engineers (ASME)
    titlePulsed Thermal Imaging Measurement of Thermal Properties for Thermal Barrier Coatings Based on a Multilayer Heat Transfer Model
    typeJournal Paper
    journal volume136
    journal issue8
    journal titleJournal of Heat Transfer
    identifier doi10.1115/1.4027551
    journal fristpage81601
    journal lastpage81601
    identifier eissn1528-8943
    treeJournal of Heat Transfer:;2014:;volume( 136 ):;issue: 008
    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