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Concept

Emissivity

Related publications (28)

Infrared Optical Properties of Doped and Pure Thermochromic Coatings for Solar Thermal Absorbers

Josef Andreas Schuler, Anna Krammer

A new generation of solar collectors is based on thermochromic thin film technology, where the remarkable optical changes of vanadium dioxide, through its reversible semiconductor-to-metal phase transition, are exploited. This study reports on the infrared ...

ISES2018

Thermochromic coatings for overheating protection of solar thermal collectors - novel type of doping (TARGET95)

Andreas Schueler, Anna Krammer

Overheating and the resulting stagnation of solar thermal collectors is a common problem even in central European latitudes. During stagnation, high temperatures lead to water evaporation, glycol degradation and stresses in the collector with increasing va ...

2017

Structured transparent low emissivity coatings with high microwave transmission

Andreas Schueler, Luc Burnier, Olivia Valérie Charlotte Bouvard

In order to reduce the energy consumption of buildings, modern windows include metal-containing coatings. These coatings strongly attenuate the microwaves used for mobile communications. Here, we present a novel approach to improve radio signal transmissio ...

Springer Verlag2017

Physical effects of thermal pollution in lakes

Alfred Johny Wüest, Damien Bouffard

Anthropogenic heat emissions into inland waters influence water temperature and affect stratification, heat and nutrient fluxes, deep water renewal, and biota. Given the increased thermal stress on these systems by growing cooling demands of riparian/coast ...

American Geophysical Union2017

Quantifying Electronic Phenomena in Organic Chromophores

Antonio Prlj

Challenging ground and excited state problems in the chemistry of common organic chromophores are investigated with state-of-the-art quantum chemical methods. We present a comprehensive excited state molecular dynamics analysis of (a) fundamental building ...

EPFL2017

Study of Si doped VO2 thin films for solar thermal applications

Andreas Schueler, Anna Krammer, Olivia Valérie Charlotte Bouvard

A new generation of smart solar thermal collectors is based on thermochromic thin film technology. Thermochromic absorber coatings change their optical properties with temperature, particularly in the infrared range. In order to prevent overheating, the co ...

Elsevier Science Bv2017

Mobile communication through insulating windows: a new type of low emissivity coating

Andreas Schueler, Luc Burnier, Olivia Valérie Charlotte Bouvard

Building materials attenuate the microwaves used for telecommunication depending on their composition and thickness. Modern windows contain glass with a metallic coating. This might cause a low quality of cell phone reception inside some buildings. In orde ...

Elsevier2017

Tomography-based radiative characterisation of decomposing carbonaceous heat shield materials

Sophia Haussener, Pénélope Leyland, Nikhil Banerji

This work evaluates the changes in radiative properties of two decomposing carbonaceous porous materials, each composed of two semitransparent, homogeneous and isotropic phases. The understanding of the complex dependence of macroscopic optical behaviour o ...

Pergamon-Elsevier Science Ltd2017