Thermo-mechanical analysis of a radiative annular fin
The thermo-mechanical reliability is a critical issue in a radiative fin. The radiative dissipation pertaining to enhance heat rejection from the fin surfaces. Due to the temperature gradient, the non-uniform thermal deformation occurs in the fin material. Thermal deformation may cause various defec...
| Main Authors: | , , |
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| Other Authors: | |
| Format: | Journal Article |
| Language: | English |
| Published: |
2018
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| Online Access: | https://hdl.handle.net/10356/88688 http://hdl.handle.net/10220/45898 |
| _version_ | 1811694394925907968 |
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| author | Mallick, Ashis Prasad, Dilip Kumar Behera, Pratyush P. |
| author2 | School of Computer Science and Engineering |
| author_facet | School of Computer Science and Engineering Mallick, Ashis Prasad, Dilip Kumar Behera, Pratyush P. |
| author_sort | Mallick, Ashis |
| collection | NTU |
| description | The thermo-mechanical reliability is a critical issue in a radiative fin. The radiative dissipation pertaining to enhance heat rejection from the fin surfaces. Due to the temperature gradient, the non-uniform thermal deformation occurs in the fin material. Thermal deformation may cause various defects such as crack propagation, creep, delamination, fatigue failure, erosion and warping. In this study, an analytical model for thermal stresses in an annular radiative fin is presented. The non-linear heat transfer equation with variable thermal parameters has been solved using the homotopy perturbation method (HPM). The comprehensive closed form solution for thermal stresses are obtained from the HPM based temperature field coupled with the classical theory of elasticity. The effects of radiation on the temperature field and thermal stress field are investigated. In addition to forward solution, an inverse analysis has been carried out for estimating the thermal parameters for a reference stress field. |
| first_indexed | 2024-10-01T07:06:53Z |
| format | Journal Article |
| id | ntu-10356/88688 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T07:06:53Z |
| publishDate | 2018 |
| record_format | dspace |
| spelling | ntu-10356/886882020-03-07T11:48:59Z Thermo-mechanical analysis of a radiative annular fin Mallick, Ashis Prasad, Dilip Kumar Behera, Pratyush P. School of Computer Science and Engineering THERMOPHYSICS 2018: 23rd International Meeting of Thermophysics 2018 DRNTU::Engineering::Computer science and engineering Perturbation Theory Functional Analysis The thermo-mechanical reliability is a critical issue in a radiative fin. The radiative dissipation pertaining to enhance heat rejection from the fin surfaces. Due to the temperature gradient, the non-uniform thermal deformation occurs in the fin material. Thermal deformation may cause various defects such as crack propagation, creep, delamination, fatigue failure, erosion and warping. In this study, an analytical model for thermal stresses in an annular radiative fin is presented. The non-linear heat transfer equation with variable thermal parameters has been solved using the homotopy perturbation method (HPM). The comprehensive closed form solution for thermal stresses are obtained from the HPM based temperature field coupled with the classical theory of elasticity. The effects of radiation on the temperature field and thermal stress field are investigated. In addition to forward solution, an inverse analysis has been carried out for estimating the thermal parameters for a reference stress field. Published version 2018-09-07T04:36:37Z 2019-12-06T17:08:52Z 2018-09-07T04:36:37Z 2019-12-06T17:08:52Z 2018 Journal Article Mallick, A., Prasad, D. K., & Behera, P. P. (2018). Thermo-mechanical analysis of a radiative annular fin. AIP Conference Proceedings, 1988(1), 020029-. doi:10.1063/1.5047623 0094-243X https://hdl.handle.net/10356/88688 http://hdl.handle.net/10220/45898 10.1063/1.5047623 en AIP Conference Proceedings © 2018 The Author(s) (Published by AIP). This paper was published in AIP Conference Proceedings and is made available as an electronic reprint (preprint) with permission of The Author(s) (Published by AIP). The published version is available at: [http://dx.doi.org/10.1063/1.5047623]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law. 6 p. application/pdf |
| spellingShingle | DRNTU::Engineering::Computer science and engineering Perturbation Theory Functional Analysis Mallick, Ashis Prasad, Dilip Kumar Behera, Pratyush P. Thermo-mechanical analysis of a radiative annular fin |
| title | Thermo-mechanical analysis of a radiative annular fin |
| title_full | Thermo-mechanical analysis of a radiative annular fin |
| title_fullStr | Thermo-mechanical analysis of a radiative annular fin |
| title_full_unstemmed | Thermo-mechanical analysis of a radiative annular fin |
| title_short | Thermo-mechanical analysis of a radiative annular fin |
| title_sort | thermo mechanical analysis of a radiative annular fin |
| topic | DRNTU::Engineering::Computer science and engineering Perturbation Theory Functional Analysis |
| url | https://hdl.handle.net/10356/88688 http://hdl.handle.net/10220/45898 |
| work_keys_str_mv | AT mallickashis thermomechanicalanalysisofaradiativeannularfin AT prasaddilipkumar thermomechanicalanalysisofaradiativeannularfin AT beherapratyushp thermomechanicalanalysisofaradiativeannularfin |