Results 51 to 60 of about 197,626 (200)

Second‐Law Analysis of Mini/Micro Counterflow Parallel‐Plate Heat Exchangers: Optimizing Effectiveness by Minimizing Wall Entropy Production

open access: yesHeat Transfer, Volume 54, Issue 7, Page 4536-4554, November 2025.
ABSTRACT We present an analytical and numerical study of the entropy production rate in laminar counterflow parallel‐plate heat exchangers, aiming to investigate the interplay between multidimensional wall conduction, entropy production, and the optimum wall conductivity that leads to maximum effectiveness.
Santiago E. Ibáñez   +2 more
wiley   +1 more source

Desarrollo de un modelo de cálculo para la determinación de las curvas de trabajo de la bomba centrífuga ПƂ 160/40

open access: yesCiencia & Futuro, 2018
Se obtuvo un modelo de cálculo para la determinación de las curvas de trabajo de la bomba centrífuga ПƂ 160/40. A partir del método propuesto por Stepanoff, que incluye el empleo de coeficientes experimentales, se desarrolló un método analítico para el ...
Luis E. Sablón-Fernández   +1 more
doaj  

Ironwork of Teixois-Taramundi (Asturias) Spain [PDF]

open access: yes, 2001
This paper describes an old ironwork placed in a Spanish village. All parts of it are studied, specially the Air supply and the Hydraulic wheel. The minimum area in the water trump for a correct air flow is calculated.
Blanco, E.   +4 more
core  

Mecánica de Fluidos

open access: yes, 2011
Este libro es una introducción a la Mecánica de Fluidos, principalmente enfo­ cada a los estudiantes de Ingeniería. El contenido está pensado para que sea cubierto durante dos cursos: uno más básico, donde se introducen los funda­ mentos y se estudian las principales aplicaciones ingenieriles de la Mecánica de Fluidos ( con la importante excepción de ...
openaire   +3 more sources

Sertões fluidos

open access: yesRevista Espacialidades, 2016
A proposta desse artigo é discutir a espacialidade na porção meridional da América portuguesa, com destaque à capitania de São Vicente. Durante o período inicial de conquista e colonização da região, a espacialidade, através das ideias de sertões e fronteiras forma fundamentais para a historiografia sobre a ocupação dessa região.
openaire   +1 more source

How do I implement a whole blood program with low blood wastage?

open access: yesTransfusion, Volume 65, Issue 11, Page 2014-2020, November 2025.
Abstract Background The use of low‐titer O whole blood (LTOWB) is requested in the treatment of major bleeding, initially used in military medicine but now increasingly utilized in civilian prehospital care. The advantage is the administration of a balanced transfusion, red blood cells, coagulation factors, and platelets, in one bag. The challenges are
Denise Bäckström   +10 more
wiley   +1 more source

Fine sediment dynamics in the Río de la Plata [PDF]

open access: yesAdvances in Geosciences, 2014
This paper investigates the main characteristics of the fine sediments dynamics in a very complex and extensive inner shelf area located in South America, the Río de la Plata.
M. Fossati, F. Cayocca, I. Piedra-Cueva
doaj   +1 more source

The crucial role of meshing in computational fluid dynamics simulations for organic geometries in paleobiology: Describing fluid dynamics performance through best practices

open access: yesMethods in Ecology and Evolution, Volume 16, Issue 10, Page 2170-2194, October 2025.
Abstract Computational fluid dynamics (CFD) has become an essential tool for studying fluid interactions in biological systems. While widely used in engineering, its application in the natural sciences, particularly in paleobiology, remains limited due to the challenges of meshing complex organic geometries.
Matheo López‐Pachón   +1 more
wiley   +1 more source

A construção do conceito de neurose (I). Os vapores e os nervos

open access: yesRevista Latinoamericana de Psicopatologia Fundamental
Desde que Th. Willis enunciara sua idéia de enfermidade nervosa, numerosos transtornos mutantes, cambiantes e passageiros com polimorfas manifestações psíquicas e motoras foram atribuídas à existência de “vapores” e posteriormente a alterações dos ...
Jorge J. Saurí
doaj   +1 more source

Yield strength determination from slump test

open access: yesRibagua, 2021
The routinely determination of the yield strength of muddy beds is particularly important for the assessment of navigation in ports located in estuaries where cohesive sediments are abundant.
Rodrigo Mosquera, Francisco Pedocchi
doaj   +1 more source

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