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Formation of the cavity on a planar interface subjected to a perturbed shock wave

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Publications associées (40)

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Interaction between a surface dielectric barrier discharge and transonic airflows

Samantha Pavon

The use of plasmas in aerodynamics has become a recent topic of interest. The potentialities of different types of plasmas are being investigated for low velocity and high velocity flow control, as well as for plasma-assisted combustion. Dielectric barrier ...

EPFL2008

Bootstrapping Heisenberg magnets and their cubic instability

Alessandro Vichi, Ning Su

We study the critical O(3) model using the numerical conformal bootstrap. In particular, we use a recently developed cutting-surface algorithm to efficiently map out the allowed space of conformal field theory data from correlators involving the leading O( ...

American Physical Society2021

Effects of high-speed airflows on a surface dielectric barrier discharge

Christoph Hollenstein, Pénélope Leyland, Peter Ott, Samantha Pavon

A detailed study of the interaction between high-speed gas flows and surface dielectric barrier discharges (DBD) is presented. In the present paper, it is demonstrated that a DBD can be sustained in transonic airflows, up to isentropic Mach numbers of 1.1. ...

2007

Nanoscale Pattern Extraction from Relative Positions of Sparse 3D Localizations

Suliana Manley, Christian Sieben

Inferring the organization of fluorescently labeled nanosized structures from single molecule localization microscopy (SMLM) data, typically obscured by stochastic noise and background, remains challenging. To overcome this, we developed a method to extrac ...

AMER CHEMICAL SOC2021

Influence of macro-roughness of walls on steady and unsteady flow in a channel

Tobias Meile

High-head storage hydropower plants mainly operate their turbines during periods of high energy demand. The sudden starting and stopping of turbines (hydropeaking) lead to highly unsteady flow in channels and rivers. Besides hydropeaking, other anthropogen ...

EPFL2007

Theoretical Studies of Nanowire Ion-Sensitive Field Effect Transistor

Jean-Michel Sallese, Ashkhen Yesayan

The operation principle of a semiconductor nanowire (NW) ion-sensitive field-effect transistor (ISFET), denoted for pH sensing, is studied within the framework of this work. The physical processes in the system are mathematically modelled and presented in ...

PLEIADES PUBLISHING INC2021

Highly loaded compressor with boundary layer suction

Klaus Hubrich

An experimental and numerical investigation of boundary layer suction (BLS) on a transonic compressor blade has been conducted. The objective of the present work is to identify the possible benefit of boundary layer suction via a slot in the region of the ...

EPFL2005

Slow-fast Dynamics of Strongly Coupled Adaptive Frequency Oscillators

Auke Ijspeert, Ludovic Righetti, Jonas Buchli

Oscillators have two main limitations: their synchronization properties are limited (i.e., they have a finite synchronization region) and they have no memory of past interactions (i.e., they return to their intrinsic frequency whenever the entraining signa ...

SIAM PUBLICATIONS2021

Characterization of supersonic low pressure plasma jets

Malko Gindrat

Low Pressure Plasma Spraying (LPPS) processes use a DC plasma jet expanding at low pressure for fast deposition of dense coatings in a controlled atmosphere. The LPPS technology is widely used industrially in particular in the aeronautics and medical indus ...

EPFL2004

Classical Spin Liquid or Extended Critical Range in h-YMnO3?

Sofie Janas, Jakob Lass

Neutron spectroscopy on the classical triangular-lattice frustrated antiferromagnet h-YMnO3 reveals diffuse, gapless magnetic excitations present both far below and above the ordering temperature. The correlation length of the excitations increases as the ...

AMER PHYSICAL SOC2021

Aggregation of discoidal particles due to depletion interaction

Ignacio Pagonabarraga Mora

Depletion interactions between colloids of discoidal shape can induce their self-assembly into columnar aggregates. This is an effect of entropic origin with important implications in a range of colloidal systems, particularly in the clustering of erythroc ...

2021

Crystal Field Effect and Electric Field Screening in Multilayer Graphene with and without Twist

Oleg Yazyev, Quansheng Wu

We address the intrinsic polarization and screening of an external electric field in a broad range of ordered and twisted configurations of multilayer graphene, using an ab initio approach combining density functional theory and the Wannier function formal ...

AMER CHEMICAL SOC2021

Reduction techniques for PDEs built upon Reduced Basis and Domain Decomposition Methods with applications to hemodynamics

Luca Pegolotti

This thesis focuses on the development and validation of a reduced order technique for cardiovascular simulations. The method is based on the combined use of the Reduced Basis method and a Domain Decomposition approach and can be seen as a particular imple ...

EPFL2021

Subwavelength Acoustic Imaging in Far Field by Combining Metamaterials and Deep Learning

Romain Christophe Rémy Fleury, Bakhtiyar Orazbayev

In this work, we demonstrate theoretically and experimentally the ability to classify and reconstruct subwavelength acoustic images from far field measurements using a machine learning approach, combined with a locally resonant metamaterial lens placed in ...

IEEE2021

Out-of-equilibrium phase diagram of long-range superconductors

Philipp Johann Uhrich

Within the ultimate goal of classifying universality in quantum many-body dynamics, understanding the relation between out-of-equilibrium and equilibrium criticality is a crucial objective. Models with power-law interactions exhibit rich well-understood cr ...

2020

Update of inclusive cross sections of single and pairs of identified light charged hadrons

Olivier Schneider, Sun Hee Kim, Mingkui Wang, Chao Wang, Ke Huang, Yiming Li

We report new measurements of the production cross sections of pairs of charged pions and kaons as a function of their fractional energies using various fractional-energy definitions. Two different fractional-energy definitions were used and compared to th ...

American Physical Society2020

Crack front waves: A 3D dynamic response to a local perturbation of tensile and shear cracks

Jean-François Molinari, Fabian Barras, Damien Spielmann

Crack front waves are long-lived perturbations propagating along the crack front. They are triggered by heterogeneities on the crack plane, as for instance tough asperities, which disturb the crack front shape. Crack front waves are thought to leave a trac ...

PERGAMON-ELSEVIER SCIENCE LTD2020

New approach for time-resolved and dynamic investigations on nanoparticles agglomeration

Alex Dommann, Francesco Stellacci, Antonia Neels, Urszula Beata Cendrowska

Nanoparticle (NP) colloidal stability plays a crucial role in biomedical application not only for human and environmental safety but also for NP efficiency and functionality. NP agglomeration is considered as a possible process in monodispersed NP colloida ...

TSINGHUA UNIV PRESS2020

Measurement of the eta(c)(1S) production cross-section in p p collisions at root s=13TeV

Christoph Frei, Aurelio Bay, Minh Tâm Tran, François Fleuret, Tatsuya Nakada, Guido Haefeli, Olivier Schneider, Mâu Chung Nguyên, Mingkui Wang, Chitsanu Khurewathanakul, Frédéric Blanc, Axel Kuonen, Olivier Göran Girard, Liang Sun, Maxime Schubiger, Xiaoqing Zhou, Hang Yin, Greig Alan Cowan, Thi Dung Nguyen, Guillaume Max Pietrzyk, Matthieu Philippe Luther Marinangeli, Vladislav Balagura, Lino Ferreira Lopes, Zhirui Xu, Mark Tobin, Violaine Bellée, Mirco Dorigo, Simone Meloni, Vincenzo Battista, Maurizio Martinelli, Tommaso Colombo, Guido Andreassi, Plamen Hristov Hopchev, Jian Wang, Liupan An, Preema Rennee Pais, Pavol Stefko, Ho Ling Li, Yi Zhang, Surapat Ek-In, Maria Elena Stramaglia, Lei Zhang, Luca Pescatore, Vladimir Macko, Pietro Marino, Tara Nanut, Ana Bárbara Rodrigues Cavalcante, Federico Leo Redi, Michel De Cian, Sebastian Schulte, Veronica Sølund Kirsebom, Elena Graverini, Maria Vieites Diaz, Yi Wang, Donal Patrick Hill, Renato Quagliani, Elisabeth Maria Niel, Aravindhan Venkateswaran, Yiming Li, Vitalii Lisovskyi, Luis Miguel Garcia Martin, Katharina Müller, Alexandre Brea Rodriguez

Using a data sample corresponding to an integrated luminosity of 2.0 fb-1, collected by the LHCb experiment, the production of the.c(1S) state in proton-proton collisions at a centre-of-mass energy of v s = 13 TeVis studied in the rapidity range 2.0 < y < ...

SPRINGER2020

Topological Fermi-arc surface resonances in bcc iron

Oleg Yazyev, Gabriel Albert Autes, Daniel Gosalbez Martinez

The topological classification of matter has been extended to include semimetallic phases characterized by the presence of topologically protected band degeneracies. In Weyl semimetals, the foundational gapless topological phase, chiral degeneracies are is ...

AMER PHYSICAL SOC2020