Results 61 to 70 of about 296,400 (286)

Many-particle Sudarshan-Lindblad equation: mean-field approximation, nonlinearity and dissipation in a spin system [PDF]

Revista Brasileira de Ensino de Física, 2014
A system of N spin-1/2 particles interacting with a thermal reservoir is used as a pedagogical example for advanced undergraduate and graduate students.
G.A. Prataviera, S.S. Mizrahi
doaj   +2 more sources

Thermodynamic Pathways of Nonequilibrium Solidification in Wire‐Arc Additive Manufacturing Fe‐Based Multicomponent Alloy Structures

Advanced Engineering Materials, EarlyView.
Geometry‐driven thermal behavior in wire‐arc additive manufacturing (WAAM) influences microstructural evolution during nonequilibrium solidification of a chemically complex Fe–Cr–Nb–W–Mo–C nanocomposite system. By comparing different deposits configurations, distinct entropy–cooling rate correlations, segregation, and carbide evolution are revealed ...
Blanca Palacios, Anthony Gonzalez, Aleksander Aleman, Tyler Dolmetsch, Tanaji Paul, Arvind Agarwal   +5 more
wiley   +1 more source

The dissipative brain

, 2004
I review the dissipative quantum model of brain and discuss its recent developments related with the role of entanglement, quantum noise and chaos. Some comments on consciousness in the frame of the dissipative model are also presented. Dissipation seems to account for the medial character of consciousness, for its being in the present (the Now), its ...
openaire   +3 more sources

A Simplified Laminar Flow Model for the Pultrusion of Glass Fiber/Polyethylene Terephthalate Commingled Yarns

Advanced Engineering Materials, EarlyView.
A simplified thermoplastic pultrusion model is developed to predict thermal fields in glass fiber/polyethylene terephthalate (GF/PET) composites with reduced computational cost. By combining effective material homogenization, validation against literature data, and Gaussian‐process‐based optimization, the study reveals how heating limits, pulling speed,
Elder Soares, Nadège Bouchonneau, Christian Jochum, Donald Radford   +3 more
wiley   +1 more source

Conductive Open‐Cell Silicone Foam for Tunable Damping and Impact Sensing Application

Macromolecular Materials and Engineering
Nature has long served as a source of inspiration for the development of new materials, with foam‐like structures in citrus fruits such as oranges and pomelos serving as examples of efficient energy dissipation.
Rene Preuer, Jan Sleichrt, Daniel Kytyr, Philip Lindner, Umut Cakmak, Ingrid Graz   +5 more
doaj   +1 more source

Persistência do herbicida clomazone no solo e na água quando aplicado na cultura do arroz irrigado, sistema pré-germinado Clomazone soil and water persistence when applied in water seeded rice

Planta Daninha, 2001
A persistência do herbicida clomazone aplicado diretamente na lâmina d'água de arroz irrigado foi avaliada em três experimentos conduzidos em um solo do tipo argilo-siltoso, na Estação Experimental da EPAGRI em Itajaí-SC, a partir de duas formulações do ...
J.A. Noldin, L.C. Hermes, E.F. Fay, D.S. Eberhardt, M.A. Rossi   +4 more
doaj   +1 more source

Flexural Behavior of 3D‐Printed Porous Bouligand‐Structured Polymers: Influence of Pitch Angle and Porosity

Advanced Engineering Materials, EarlyView.
This study examines how helicoidal architectures with different porosities respond to bending. Adjusting layer angle and spacing in 3D‐printed polymers reveals clear tradeoffs between stiffness, strength, and energy absorption. Experiments and simulations highlight designs that distribute stress effectively, offering pathways for optimizing lightweight
Praveenkumar Subhash Patil, Edward D. McCarthy, Parvez Alam   +2 more
wiley   +1 more source

Current Status and Challenges in Data Collection for Aerospace Coatings Deposited by Plasma Spraying

Advanced Engineering Materials, EarlyView.
An innovative approach has been integrated into the GRENAT project to optimize plasma spraying and coating performance. Raw materials are accelerated and melted in the plasma generated by torches, creating coatings. Monitoring sensors collect process data which are combined with ex situ characterization data.
Lila Randriamananjara, Vincent Rat, Quentin Dubreuil, Patrice Valorge, Simon Goutier, Alain Denoirjean, Olivier Messe, Céline Ruelle, Jean‐Philippe Poli   +8 more
wiley   +1 more source

Time Reversibility, Correlation Decay and the Steady State Fluctuation Relation for Dissipation

Entropy, 2013
Steady state fluctuation relations for nonequilibrium systems are under intense investigation because of their important practical implications in nanotechnology and biology. However the precise conditions under which they hold need clarification.
Denis J. Evans, Lamberto Rondoni, Debra J. Searles, Barbara M. Johnston   +3 more
doaj   +1 more source

Dissipative or just nonextensive hydrodynamics? — Nonextensive/dissipative correspondence [PDF]

Indian Journal of Physics, 2011
We argue that there is correspondence between the perfect nonextensive hydrodynamics and the usual dissipative hydrodynamics, which we call nonextensive/dissipative correspondence (NexDC). It leads to simple expression for dissipative entropy current and allows for predictions for the ratio of bulk and shear viscosities to entropy density, $ζ/s$ and $η/
Osada, Takeshi, Wilk, Grzegorz
openaire   +2 more sources