Difference between revisions of "Thermal metamaterial"
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| − | By structuring material on the nanoscale in particular ways one can influence the flow of phonons and thermal photons and thus the materials heat conductivity properties. | + | By structuring material on the nanoscale in particular ways one can influence the flow of phonons and thermal photons in gaps and thus the materials heat conductivity properties. |
| − | Electronic properties also can play a big role in heat conduction (especially in well electrically conducting metals). They also depend on the nano-structuring of the material but in addition the elements | + | Electronic properties also can play a big role in heat conduction (especially in well electrically conducting metals). |
| + | They also depend on the nano-structuring of the material but in addition the elements chosen to be used in the base material can play a much bigger role. | ||
This may make electrically conductive materials harder to analyze. | This may make electrically conductive materials harder to analyze. | ||
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== Related == | == Related == | ||
| + | * [[Thermal isolation]] | ||
* [[Diamondoid heat pump system]] | * [[Diamondoid heat pump system]] | ||
* [[Refractory materials]] | * [[Refractory materials]] | ||
| + | * [[Optical metamaterial]] | ||
== External links == | == External links == | ||
| − | * [http://www.sciencemag.org/news/2016/01/how-get-old-fashioned-light-bulb-glow-without-wasting-so-much-energy Incandescent light made highly efficient by selectively reflecting back infrared photons] (this was not produced with atomic precision) <br>[http://www.nature.com/nnano/journal/v11/n4/full/nnano.2015.309.html | + | * [http://www.sciencemag.org/news/2016/01/how-get-old-fashioned-light-bulb-glow-without-wasting-so-much-energy Incandescent light made highly efficient by selectively reflecting back infrared photons] (this was not produced with atomic precision) <br> Original paper by Shawn-Yu Lin - Rensselaer Polytechnic Institute: [http://www.nature.com/nnano/journal/v11/n4/full/nnano.2015.309.html Tailoring high-temperature radiation and the resurrection of the incandescent source] -- [https://www.rpi.edu/dept/phys/faculty/profiles/lin.html] |
| + | * Wikipedia: [https://en.wikipedia.org/wiki/Onsager_reciprocal_relations Onsager_reciprocal_relations] | ||
| + | |||
| + | [[Category:Thermal]] | ||
Latest revision as of 06:33, 16 July 2017
By structuring material on the nanoscale in particular ways one can influence the flow of phonons and thermal photons in gaps and thus the materials heat conductivity properties.
Electronic properties also can play a big role in heat conduction (especially in well electrically conducting metals). They also depend on the nano-structuring of the material but in addition the elements chosen to be used in the base material can play a much bigger role. This may make electrically conductive materials harder to analyze.
- Emission of long wavelength photons can be suppressed -- converting heat to light
Related
External links
- Incandescent light made highly efficient by selectively reflecting back infrared photons (this was not produced with atomic precision)
Original paper by Shawn-Yu Lin - Rensselaer Polytechnic Institute: Tailoring high-temperature radiation and the resurrection of the incandescent source -- [1] - Wikipedia: Onsager_reciprocal_relations
