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Title: Improvement of the study of heat sink dynamics in elastocaloric materials by Gaussian filtering
Author: Capellera Font, Guillem
Director/Tutor: Vives i Santa-Eulàlia, Eduard
Keywords: Transformacions de fase (Física estadística)
Materials elastocalòrics
Treballs de fi de grau
Phase transformations (Statistical physics)
Elastocaloric materials
Bachelor's thesis
Issue Date: Jul-2021
Abstract: In this work we study the cooling process that occurs in a metal sample when it experiences a structural phase transition during a stress release. A previous study using an infrared (IR) camera determined the temperature map evolution of the sample surface. Reversing the Fourier heat equation allows to find the heat sinks, where cooling associated with latent heat exchange occurs. We reanalyze the data of the previous study and we improve the results by a numerical analysis based on a Gaussian filter. Indeed, the results show a better location of the heat sinks, which has made possible to properly determine its size, magnitude and velocity
Note: Treballs Finals de Grau de Física, Facultat de Física, Universitat de Barcelona, Curs: 2021, Tutor: Eduard Vives Santa-Eulàlia
Appears in Collections:Treballs Finals de Grau (TFG) - Física

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