990 resultados para Reynolds Pombo, Jorge


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Premios: Obra premiada en los Juegos Florales celebrados en agosto de 1890

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Resumen: Descripción: retrato del Conde de Buffon de 3/4 de figura con mirada frontal. Enmarcado en óvalo

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Resumen: Descripción: retrato de niña de cuerpo entero y de frente en un bosque. Con la mano derecha atusa la cabeza de un perro y con la izqda. se recoge el faldón del vestido

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A numerical simulation of the aerodynamic behavior of high-speed trains under synthetic crosswinds at a 90º yaw angle is presented. The train geometry is the aerodynamic train model (ATM). Flow description based on numerical simulations is obtained using large eddy simulation (LES) and the commercial code ANSYSFluent V14.5. A crosswind whose averaged velocity and turbulence characteristics change with distance to the ground is imposed. Turbulent fluctuations that vary temporally and spatially are simulated with TurbSim code. The crosswind boundary condition is calculated for the distance the train runs during a simulation period. The inlet streamwise velocity boundary condition is generated using Taylor?s frozen turbulence hypothesis. The model gives a time history of the force and moments acting on the train; this includes averaged values, standard deviations and extreme values. Of particular interest are the spectra of the forces and moments, and the admittance spectra. For comparison, results obtained with LES and a uniform wind velocity fluctuating in time, and results obtained with Reynolds averaged Navier Stokes equations (RANS), and the averaged wind conditions, are also presented.

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Diario - Memoria del viaje de prácticas correspondiente a los señores Grasset, Jorge, Regueral, Martí y Araus

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A new high-resolution code for the direct numerical simulation of a zero pressure gradient turbulent boundary layers over a flat plate has been developed. Its purpose is to simulate a wide range of Reynolds numbers from Reθ = 300 to 6800 while showing a linear weak scaling up to 32,768 cores in the BG/P architecture. Special attention has been paid to the generation of proper inflow boundary conditions. The results are in good agreement with existing numerical and experimental data sets.

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Inscripción en margen superior: "nomenclator de las calles de Cádiz"

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Según Palau (nº 21922) esta obra se imprimió en los últimos años del S. XVIII

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Contiene : el sabio español ; la cuna del sabio ; El centenario