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Listar por palabra clave "Experimental studies"

Mostrando ítems 1-9 de 9

An experimental study of gasoline effects on injection rate, momentum flux and spray characteristics using a common rail diesel injection system

Payri, Raul; García Martínez, Antonio; Domenech Llopis, Vicente; Durrett, Russell; Plazas, Alejandro H. (Elsevier, 2012-07)

A comparative study using diesel fuel and gasoline has been conducted focusing on the injection process. In this paper an experimental study has been carried out comparing the effects of the different fuels on the mass ...
Behaviour of RC columns strengthened by steel caging under combined bending and axial loads

Garzón Roca, Julio; Adam Martínez, José Miguel; Calderón García, Pedro Antonio (Elsevier, 2011-05)

The steel caging technique is used to strengthen RC columns all over the world, as it has been shown to be effective, economical and easy to apply. Most studies carried out to date on this strengthening technique have ...
Electromagnetic absorption in anisotropic photonic crystal of alumina cylinders

Carbonell Olivares, Jorge; Sánchez-Dehesa Moreno-Cid, José; Arriaga, J.; Gumen, L.; Krokhin, A. (Elsevier, 2011)

[EN] We present a theoretical and experimental study of the effective permittivity of a photonic crystal (PC) made of parallel dielectric rods in the long-wavelength limit. Using the plane-wave expansion method we derive ...
Experimental study of high strength concrete-filled circular tubular columns under eccentric loading

Portoles, J.M.; Romero, Manuel L.; Bonet Senach, José Luís; Filippou, F.C. (Elsevier, 2011-04)

The paper describes 37 tests conducted on slender circular tubular columns filled with normal and high strength concrete subjected to eccentric axial load. The test parameters were the nominal strength of concrete (30, 70 ...
Finite element modelling of steel-caged RC columns subjected to axial force and bending moment

Garzón Roca, Julio; Adam Martínez, José Miguel; Calderón García, Pedro Antonio; Valente, Isabel B. (Elsevier, 2012-07)

Steel caging is an effective, economical, easily applied and widely used method of strengthening RC columns. Based on the results of two experimental studies, this paper proposes the finite element modelling of RC columns ...
Flow regime effects over non-cavitating diesel injection nozzles

Payri, Raul; Salvador, F.J.; Gimeno, Jaime; García Martínez, Antonio (SAGE PUBLICATIONS LTD, 2012)

[EN] The research conducted and explained in this paper aims to explore and understand the influence of flow regime (laminar, transition or turbulent) inside diesel injector nozzles. For this purpose, an experimental study ...
Formation of collimated sound beams by three-dimensional sonic crystals

Cebrecos Ruiz, Alejandro; Romero García, Vicente; Picó Vila, Rubén; Pérez Arjona, Isabel; Espinosa Roselló, Víctor; Sánchez Morcillo, Víctor José; Staliünas, Kestutis (American Institute of Physics (AIP), 2012-05-15)

[EN] A theoretical and experimental study of the propagation of sound beams in- and behind three-dimensional sonic crystals at frequencies close to the band edges is presented. An efficient collimation of the beam behind ...
High-pressure theoretical and experimental study of HgWO4

Lopez-Solano, J.; Rodriguez-Hernandez, Plácida; Muñoz, A.; Santamaria-Perez, David; Manjón Herrera, Francisco Javier; Ray, S.; Gomis Hilario, Oscar; Mollar García, Miguel Alfonso; Panchal, V.; Errandonea, Daniel (Taylor & Francis, 2011-03)

HgWO 4 at ambient pressure is characterized using a combination of ab initio calculations, X-ray diffraction and Raman scattering measurements. The effect of low pressure and temperature on the structural stability is ...
Optimization of high-definition video coding and hybrid fiber-wireless transmission in the 60 GHz band

Lebedev, A.; Pham, T.T.; Beltrán Ramírez, Marta; Yu, X.; Ukhanova, A.; Llorente Sáez, Roberto; Monroy, I.T.; Forchhammer, S. (Optical Society of America, 2011)

[EN] The paper addresses the problem of distribution of highdefinition video over fiber-wireless networks. The physical layer architecture with the low complexity envelope detection solution is investigated. We present ...