Publications related to Flow experiments with gravel and blocks at small scale to investigate parameters and mechanisms involved in rock avalanches

Mean-field transport equations and energy theorem for plasma edge turbulent transport

This paper establishes a mean-field equation set and an energy theorem to provide a theoretical basis in view of the development of self-consistent, physics-based turbulent transport models for mean-field transport codes. A rigorous averaging procedure ide ...

Cambridge Univ Press2024

Modeling friction and wear using an adaptive discrete-continuum coupling

Manon Eugénie Voisin--Leprince

When two objects slide against each other, wear and friction occur at their interface. The accumulation of wear forms what is commonly referred to as a ``third-body''. Understanding third-body evolution has significant applications in industry, where contr ...

EPFL2024

Leveraging Continuous Time to Understand Momentum When Training Diagonal Linear Networks

Nicolas Henri Bernard Flammarion, Hristo Georgiev Papazov, Scott William Pesme

In this work, we investigate the effect of momentum on the optimisation trajectory of gradient descent. We leverage a continuous-time approach in the analysis of momentum gradient descent with step size

\gamma

and momentum parameter

\beta

that allows u ...

2024

Wave-momentum shaping for moving objects in heterogeneous and dynamic media

Romain Christophe Rémy Fleury, Bakhtiyar Orazbayev, Matthieu Francis Malléjac, Stefan Rotter

Light and sound waves can move objects through the transfer of linear or angular momentum, which has led to the development of optical and acoustic tweezers, with applications ranging from biomedical engineering to quantum optics. Although impressive manip ...

2024

Renewable energy integration and waste heat valorization in aluminum remelting for co-producing kerosene and methanol

François Maréchal, Daniel Alexander Florez Orrego, Meire Ellen Gorete Ribeiro Domingos, Réginald Germanier

The aluminium sector relies on natural gas for the conversion of recycled scrap into new feedstock, which results in substantial atmospheric emissions. Hydric resources are also impacted, as they serve as heat sinks for the waste heat generated during the ...

2024

Renewable energy integration and waste heat valorization in aluminum remelting for co-producing kerosene and methanol

François Maréchal, Daniel Alexander Florez Orrego, Meire Ellen Gorete Ribeiro Domingos, Réginald Germanier

The aluminium sector relies on natural gas for the conversion of recycled scrap into new feedstock, which results in substantial atmospheric emissions. Hydric resources are also impacted, as they serve as heat sinks for the waste heat generated during the ...

Associazione Italiana Di Ingegneria Chimica2024

Global fluid simulations of plasma turbulence in stellarators

António João Caeiro Heitor Coelho

In order to cope with the decarbonization challenge faced by many countries, fusion is one of the few alternatives to fossil fuels for the production of electricity. Two devices invented in the middle of the previous century have emerged as the most promis ...

EPFL2024

On Multiphysical Couplings in Energy Geotechnics: Relevance and Applications

Alessio Ferrari

Energy Geotechnics includes several applications related to the recovery and storage of energy from and into the ground, energy transportation, and the management of waste and carbon dioxide generated from energy use. These applications often involve the n ...

Wei Wu, Universität für Bodenkultur2023

A systems perspective on sufficiency, wellbeing, and transition in the Swiss habitat

Sascha Nick

The Swiss habitat – buildings and related mobility – is facing multiple wicked problems that can only be solved together, such as excessive energy and climate impact, high material use with low circularity, accelerating urban sprawl and ecosystem destructi ...

2023

Ascent and movement of buoyant fluids in the lithosphere

Brice Tanguy Alphonse Lecampion, Andreas Möri, Carlo Peruzzo

Hydraulic fractures are driven by an internal fluid pressure exceeding the minimum compressive stress, propagating in a direction perpendicular to the latter. This class of tensile fractures has gained interest over the last fifty years due to the developm ...

2023

Flow experiments with gravel and blocks at small scale to investigate parameters and mechanisms involved in rock avalanches

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Mean-field transport equations and energy theorem for plasma edge turbulent transport

Modeling friction and wear using an adaptive discrete-continuum coupling

Leveraging Continuous Time to Understand Momentum When Training Diagonal Linear Networks

Wave-momentum shaping for moving objects in heterogeneous and dynamic media

Renewable energy integration and waste heat valorization in aluminum remelting for co-producing kerosene and methanol

Renewable energy integration and waste heat valorization in aluminum remelting for co-producing kerosene and methanol

Global fluid simulations of plasma turbulence in stellarators

On Multiphysical Couplings in Energy Geotechnics: Relevance and Applications

A systems perspective on sufficiency, wellbeing, and transition in the Swiss habitat

Ascent and movement of buoyant fluids in the lithosphere

Mean-field transport equations and energy theorem for plasma edge turbulent transport

Modeling friction and wear using an adaptive discrete-continuum coupling

Leveraging Continuous Time to Understand Momentum When Training Diagonal Linear Networks

Renewable energy integration and waste heat valorization in aluminum remelting for co-producing kerosene and methanol

Renewable energy integration and waste heat valorization in aluminum remelting for co-producing kerosene and methanol

Global fluid simulations of plasma turbulence in stellarators

Ascent and movement of buoyant fluids in the lithosphere

On Multiphysical Couplings in Energy Geotechnics: Relevance and Applications

Wave-momentum shaping for moving objects in heterogeneous and dynamic media

A systems perspective on sufficiency, wellbeing, and transition in the Swiss habitat