Results 41 to 50 of about 197,626 (200)

Hydrogen Permeation in Polyethylene: Effect of Crystallinity on Gas Transport Coefficients at Different Temperatures

open access: yesJournal of Polymer Science, Volume 64, Issue 3, Page 608-621, 1 February 2026.
Correlation of H2 permeability in semicrystalline polymers used as liners in Type IV composite tanks, versus temperature and crystallinity. ABSTRACT Semicrystalline polymers such as high‐density polyethylene (HDPE) are increasingly adopted as liners in compressed hydrogen storage tanks, due to low weight, easy processing, and high durability, together ...
Lorenzo Merlonghi   +3 more
wiley   +1 more source

Aplicación de las inclusions fluidas en la búsqueda de yacimientos de cobre. Ejemplo: el pórfido de cobre Lara. Ayacucho – Perú [PDF]

open access: yes, 2008
El pórfido de cobre Lara se encuentra en el flanco pacífico de la Cordillera Occidental de los Andes del Perú, dentro de la faja metalogenética Cu-Mo del Cretáceo superior.
Acosta, Jorge   +3 more
core  

Global stability of stretched jets: conditions for the generation of monodisperse micro-emulsions using coflows

open access: yes, 2013
In this paper we reveal the physics underlying the conditions needed for the generation of emulsions composed of uniformly sized drops of micrometric or submicrometric diameters when two immiscible streams flow in parallel under the so-called tip ...
Campo-Cortés, Francisco   +2 more
core   +1 more source

La sinergia entre el diseño estructural y la dinámica de fluidos: el caso particular del velódromo de Medellín, en Colombia [PDF]

open access: yes, 2016
En el presente trabajo se presentan las ventajas que la determinación prestacional de las acciones eólicas a partir de los métodos basados en la dinámica computacional de fluidos tiene en el diseño estructural de edificaciones de geometría ahusada y/o ...
Muñoz Blanc, Carlos
core   +4 more sources

Acoustic measurements of a liquefied cohesive sediment bed under waves [PDF]

open access: yesAdvances in Geosciences, 2014
In this article the response of a cohesive sediment deposit under the action of water waves is studied with the help of laboratory experiments and an analytical model.
R. Mosquera, V. Groposo, F. Pedocchi
doaj   +1 more source

Using a statistical efficiency methodology for predictors’ selection in the bedload transport problem: A high gradient experimental channel case

open access: yesAlexandria Engineering Journal, 2022
Bedload transport rates for high-gradient gravel bed rivers has been studied through a physical model that replicated the typical features of these channels.
Veronica Carrillo   +7 more
doaj   +1 more source

Previsão do comportamento termo-reológico de fluidos viscoelásticos durante o escoamento em canais de geometria complexa [PDF]

open access: yes, 2004
Pretende-se com o presente estudo aprofundar o conhecimento e apurar a sensibilidade necessária para lidar mais eficientemente com problemas reais, nomeadamente nas áreas de Extrusão e da Injecção.
Fernandes, Florbela P.
core  

Application of Gamification Mechanics to Computational Fluid Dynamics Seminars Using Genially

open access: yesComputer Applications in Engineering Education, Volume 34, Issue 1, January 2026.
ABSTRACT This work describes the procedure for the gamification of Computational Fluid Dynamics (CFD) seminars, with the aim of increasing student motivation and simplifying the learning and acquisition of skills related to the use of CFD tools. The seminar activity is divided into two parts: (i) autonomous work along the semester, in which students ...
Gema Gómez‐Pozuelo   +2 more
wiley   +1 more source

Desarrollo e implementación de un modelo matemático para la evaluación del impacto ambiental de la intrusión marina en el acuífero del rio Caplina, Tacna Perú

open access: yesRevista de Investigación de Física, 2010
La sobreexplotación de los acuíferos costeros de nuestro país para el abastecimiento de la demanda de agua para uso doméstico y agrícola ha producido en los últimos años un incremento del problema de la intrusión marina en estos acuíferos.
E. Rojas Gonzáles   +2 more
doaj   +1 more source

Diseño y propuesta de un plan de mercadeo orientado a la comercialización de productos sellados de fluidos para la empresa técnicas de fluidos [PDF]

open access: yes, 2011
Reseña de la empresa Técnica de Fluidos -- Historia y conceptos del sellado de fluidos -- Diagnóstico ...
Arbaiza Ojeda, Nelson Alexander   +2 more
core  

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