Inverse Heat Conduction Problem of Simultaneously Determining Thermal Conductivity, Heat Capacity and Heat Transfer Coefficient
碩士 === 大同工學院 === 機械工程研究所 === 86 === This study presents a theoretical approach for simultaneously estimating the thermal conductivity(k) and heat capacity(C) of a solid body as well as the heat transfer coefficient(h) on the body surface by solving an inverse heat conduction problem. The conjugate g...
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ndltd-TW-086TTIT04890132015-10-13T17:34:49Z http://ndltd.ncl.edu.tw/handle/57886664204503793306 Inverse Heat Conduction Problem of Simultaneously Determining Thermal Conductivity, Heat Capacity and Heat Transfer Coefficient 求解逆向熱傳導問題以同時預測固體材料之熱傳導係數、熱容量及表面熱傳遞係數 Lin Tsung-Po 林宗伯 碩士 大同工學院 機械工程研究所 86 This study presents a theoretical approach for simultaneously estimating the thermal conductivity(k) and heat capacity(C) of a solid body as well as the heat transfer coefficient(h) on the body surface by solving an inverse heat conduction problem. The conjugate gradient method is adopted to obtain the predicted solutions. Concerning feasibility and simplification during measurement implementation, the present approach requires the recorded temperature history only at the solid surface. Three common metals, steel (Cr 18%, Ni 8%), lead, and copper, are considered as test samples for evaluating the accuracy of the approach developed. The evaluation of the accuracy is performed based on a set of pseudo-experimental temperature data which is generated by adding a time-dependent randomly-varying disturbance to the exact solution. Effects of the physical and geometric variables, including thickness of the solid plate(L), rate of heat input(q), temperature measurement error(σ), sampling period(tp), are investigated for each metal considered. Chin-Hsiang Cheng 鄭金祥 1998 學位論文 ; thesis 0 zh-TW |
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碩士 === 大同工學院 === 機械工程研究所 === 86 === This study presents a theoretical approach for simultaneously estimating the thermal conductivity(k) and heat capacity(C) of a solid body as well as the heat transfer coefficient(h) on the body surface by solving an inverse heat conduction problem. The conjugate gradient method is adopted to obtain the predicted solutions. Concerning feasibility and simplification during measurement implementation, the present approach requires the recorded temperature history only at the solid surface. Three common metals, steel (Cr 18%, Ni 8%), lead, and copper, are considered as test samples for evaluating the accuracy of the approach developed. The evaluation of the accuracy is performed based on a set of pseudo-experimental temperature data which is generated by adding a time-dependent randomly-varying disturbance to the exact solution. Effects of the physical and geometric variables, including thickness of the solid plate(L), rate of heat input(q), temperature measurement error(σ), sampling period(tp), are investigated for each metal considered.
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Chin-Hsiang Cheng |
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Chin-Hsiang Cheng Lin Tsung-Po 林宗伯 |
author |
Lin Tsung-Po 林宗伯 |
spellingShingle |
Lin Tsung-Po 林宗伯 Inverse Heat Conduction Problem of Simultaneously Determining Thermal Conductivity, Heat Capacity and Heat Transfer Coefficient |
author_sort |
Lin Tsung-Po |
title |
Inverse Heat Conduction Problem of Simultaneously Determining Thermal Conductivity, Heat Capacity and Heat Transfer Coefficient |
title_short |
Inverse Heat Conduction Problem of Simultaneously Determining Thermal Conductivity, Heat Capacity and Heat Transfer Coefficient |
title_full |
Inverse Heat Conduction Problem of Simultaneously Determining Thermal Conductivity, Heat Capacity and Heat Transfer Coefficient |
title_fullStr |
Inverse Heat Conduction Problem of Simultaneously Determining Thermal Conductivity, Heat Capacity and Heat Transfer Coefficient |
title_full_unstemmed |
Inverse Heat Conduction Problem of Simultaneously Determining Thermal Conductivity, Heat Capacity and Heat Transfer Coefficient |
title_sort |
inverse heat conduction problem of simultaneously determining thermal conductivity, heat capacity and heat transfer coefficient |
publishDate |
1998 |
url |
http://ndltd.ncl.edu.tw/handle/57886664204503793306 |
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