Results 21 to 30 of about 77 (53)

Projeto de um sistema de controle para tratamento de água de resfriamento proveniente de um formador de enxofre [PDF]

open access: yes
The design of a control system for the treatment of cooling water of a sulfur former in a crude oil upgrader is presented, to maintain the conductivity of the cooling water in established ranges, and in this way avoid the accumulation of minerals in the ...
Campos, Urimare   +1 more
core   +2 more sources

Determinación de los coeficientes de convección de calor en el flujo radial a través de un lecho de empaque de polietileno [PDF]

open access: yes, 2008
Se presenta una metodología teórico-experimental para determinar los coeficientes intersticiales de transferencia de calor pro-medio en el flujo radial de agua a través de un lecho de empaque de polietileno donde el fluido no está en equilibrio térmico ...
Carmona, Antonio   +4 more
core   +1 more source

La normalización de las concentraciones de particulas de desgaste en aceite aplicada a motores diesel [PDF]

open access: yes, 2011
size difference, the volume of lubricant coefficient(Kv), which considers the carter volume differenceand the chemical composition coefficient Km (i),with consider chemical composition difference.For the experimental evaluation of the method afour-stroke,
Espinoza, Henry
core   +3 more sources

Un enfoque para la detección y localización de fugas en tuberías utilizando observadores de estado [PDF]

open access: yes, 2016
En este trabajo se propone un enfoque basado en observadores estado para detectar y localizar fugas en tuberías. El modelo de tubería está basado en las ecuaciones del Golpe de Ariete, las cuales se discretizan utilizando el método de diferencias finitas.
Dulhoste Vivien, Jean François   +3 more
core   +1 more source

Estudio experimental de las pérdidas en válvulas de compresores reciprocantes de una etapa ante variaciones de las revoluciones y la presión de descarga [PDF]

open access: yes, 2010
Losses in compressor valves represent the amount of power used to admit and expel gas through the valves. In the present work an experimental analysis of discharge pressure and r.p.m.
Collado, María   +3 more
core   +1 more source

Computational Study of Aerodynamic Effects of the Dihedral and Angle of Attack of Biomimetic Grids Installed on a Mini UAV. [PDF]

open access: yesBiomimetics (Basel), 2023
Bardera R   +3 more
europepmc   +1 more source

Implementación de herramientas CFD para la optimización del proceso de secado de lámina en la línea de decapado de la Empresa Acesco y CIA SCA. [PDF]

open access: yes, 2011
This applied research paper describes the implementation of CFD (Computational Fluid Dynamics) tools for optimization of the sheet drying process in the company Acesco and CIA SCA, where it is difficult to perform field experiments because the execution ...
Bermejo Altamar, Fabio   +2 more
core   +1 more source

Estudio de los factores que producen disminución en la eficiencia de los ventiladores utilizados en las cabinas de pinturas presurizadas [PDF]

open access: yes, 2010
The present work is based on determination of the factors that produce efficiency decrease in centrifugal fans commonly used in pressurized base and enamel painting cabins at a vehicle assembling plant.
Collado, María   +3 more
core   +1 more source

Detección y localización de obstrucciones en una tubería utilizando observadores de estado (Kalman Extendido) [PDF]

open access: yes
This paper presents the mathematical modeling of a pipeline system that will be used in the detection and location blockages with state observers. The pipeline mathematical modeling is carried out with the Water Hammer Equations, which are discretized ...
Besançon, Gildas   +2 more
core   +1 more source

Shock equations and jump conditions for the 2D Adjoint Euler equations

open access: yes
This paper considers the formulation of the adjoint problem in two dimensions when there are shocks in the flow solution. For typical cost functions, the adjoint variables are continuous at shocks, where they have to obey an internal boundary condition ...
Lozano, Carlos, Ponsin, Jorge
core   +1 more source

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