Uncertainty propagation in transient heat transfer from an extended surface
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Rama Subba Reddy Gorla
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Edwin Forster
Abstract
The uncertainty propagation and transient heat transfer from an extended surface are studied. The stochastic Biot number, the fin number and initial and convection boundary conditions define the uncertainty propagation for the temperature distribution in the extended surface. The amplitude of the propagated uncertainty was observed to have a transient evolution. The uncertainty may increase or decrease depending on the stochastic input parameters. Results are presented for the variation of temperature and heat flux due to uncertainties in the initial condition and conditions at the boundaries where heat is rejected.
Acknowledgments
The authors would like to acknowledge the funded collaboration between the Aerospace Vehicles Division of the Aerospace Systems Directorate and the Air Force Institute of Technology, and the support of the Air Force Office of Scientific Research through a Lab Task monitored by Dr. Fariba Fahroo.
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Research ethics: Not applicable.
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Informed consent: Not applicable.
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Author contributions: All authors have accepted responsibility for the entire content of this manuscript and approved its submission.
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Use of Large Language Models, AI and Machine Learning Tools: None declared.
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Conflict of interest: The authors state no conflict of interest.
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Research funding: None declared.
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Data availability: Not applicable.
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