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Experiments on Transformation Thermodynamics: Molding the Flow of Heat

Abstract : It was recently shown theoretically that the time-dependent heat conduction equation is form invariant under curvilinear coordinate transformations. Thus, in analogy to transformation optics, fictitious transformed space can be mapped onto (meta)materials with spatially inhomogeneous and anisotropic heat-conductivity tensors in the laboratory space. On this basis, we design, fabricate, and characterize a microstructured thermal cloak that molds the flow of heat around an object in a metal plate. This allows for transient protection of the object from heating while maintaining the same downstream heat flow as without object and cloak.
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https://hal.archives-ouvertes.fr/hal-01281346
Contributor : Sébastien Guenneau Connect in order to contact the contributor
Submitted on : Wednesday, March 2, 2016 - 7:10:55 AM
Last modification on : Tuesday, October 19, 2021 - 10:50:06 PM

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  • HAL Id : hal-01281346, version 1

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Robert Schittny, Muamer Kadic, Sébastien Guenneau, Martin Wegener. Experiments on Transformation Thermodynamics: Molding the Flow of Heat. Physical Review Letters, American Physical Society, 2013, 110 (195901). ⟨hal-01281346⟩

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