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Haute Ecole d'Ingénierie

Design (et gestion) optimal(e) d'une infrastructure multi-énergie de quartier

Zufferey, David ; Page, Jessen (Dir.)

Mémoire de bachelor : Haute Ecole d'Ingénierie, 2019.

Evaluer les potentiels énergétiques électriques et thermique d’un quartier pour créer une stratégie énergétique, identifier les consommateur et simuler les productions solaire et thermiques du cas d’étude de l’écoparc de Daval à Sierre.

Università della Svizzera italiana

Warm bodies in the Chinese borderlands : architecture, thermal infrastructure, and territorialization in the arid continental climate of Ürümchi, Xinjiang

Kobi, Madlen

In: Eurasian geography and economics, 2020, vol. 61, no. 1, p. 77-99

Architectural research often considers buildings and settlement practices as local material adaptations to climate, particularly when it comes to the analysis of architecture in rural and small-scale settlements. Based on ethnographic data from the rapidly urbanizing oasis metropolis Ürümchi in China’s northwestern borderlands, this paper goes beyond such a localized view of climate ...

Université de Fribourg

Polydopamine nanoparticle doped nanofluid for solar thermal energy collector efficiency increase

Hauser, Daniel ; Steinmetz, Lukas ; Balog, Sandor ; Taladriz‐Blanco, Patricia ; Septiadi, Dedy ; Wilts, Bodo D. ; Petri‐Fink, Alke ; Rothen‐Rutishauser, Barbara

In: Advanced Sustainable Systems, 2020, vol. 4, no. 1, p. 1900101

Polydopamine can form black nanoparticles and has recently been gaining attention due to its extraordinary heating properties upon excitation with light. Herein, polydopamine hybrid nanoparticles are synthesized in different sizes and subsequently added to a solar fluid to analyze heating ability. The solar fluids with the differently sized hybrid polydopamine particles are compared to a...

Université de Fribourg

Hund excitations and the efficiency of Mott solar cells

Petocchi, Francesco ; Beck, Sophie ; Ederer, Claude ; Werner, Philipp

In: Physical Review B, 2019, vol. 100, no. 7, p. 075147

We study the dynamics of photoinduced charge carriers in semirealistic models of LaVO3 and YTiO3 polar heterostructures. It is shown that two types of impact ionization processes contribute to the carrier multiplication in these strongly correlated multiorbital systems: The first mechanism involves local spin state transitions, while the second mechanism involves the scattering of...