... Hacia un modelo espacial de la cultura de los Talayots de Mallorca. Autores: Francisco Javier... more ... Hacia un modelo espacial de la cultura de los Talayots de Mallorca. Autores: Francisco JavierAramburu-Zabala Higuera; Localización: Saguntum: Papeles del Laboratorio de Arqueología de Valencia, ISSN 0210-3729, Nº 27, 1994 , págs. 125-136. Fundación Dialnet. ...
A medição do templo em Apocalipse 11:1-2 tem sido entendida de várias maneiras segundo as diferen... more A medição do templo em Apocalipse 11:1-2 tem sido entendida de várias maneiras segundo as diferentes perspectivas interpretativas. Uma das principais chaves no entendimento tanto deste texto quanto do Apocalipse como um todo, é a alusão ao Antigo Testamento por trás da passagem. Frequentemente têm sido atribuídos dois panos de fundo do Antigo Testamento para tal imagem, no entanto esse estudo visa esclarecerá que tal conexão não é legitima na sua totalidade, mas que existe um pano de fundo danielico na medição do templo de Apocalipse 11:1-2.
A new lattice gas is introduced based on the Chapman–Enskog expansion for small Knudsen numbers o... more A new lattice gas is introduced based on the Chapman–Enskog expansion for small Knudsen numbers of a model Boltzmann equation. This kind of discrete dynamical system is intended to narrow the gap between ordinary lattice gases and the macroscopic incompressible Navier–Stokes equations, and to increase the efficiency and flexibility of lattice gas methods. The large scale evolution of the gas is shown to obey the Navier–Stokes equations. The linear stability of the system, considered as a finite‐difference scheme, is studied.
Resumen El objeto de este trabajo es dar a conocer las posibilidades de las Oficinas &Empleo ... more Resumen El objeto de este trabajo es dar a conocer las posibilidades de las Oficinas &Empleo del 1k/EM en el desarrollo de lasprácticas integradas de la Diplomatura de Relaciones Laborales. En particular hemos ha comprobado que, con una dirección ...
Bolleti De La Societat Arqueologica Lul Liana Revista D Estudis Historics, 1998
... Adiciones al inventario de yacimientos arqueológicos del término de Palma. Autores: Francisco... more ... Adiciones al inventario de yacimientos arqueológicos del término de Palma. Autores: FranciscoJavier Aramburu-Zabala Higuera; Localización: Bolletí de la Societat Arqueològica Lul·liana: Revista d'estudis històrics, ISSN 0212-7458, Nº. 54, 1998 , págs. 399-406. ...
The stability and transient response of solid propellant combustion has received considerable att... more The stability and transient response of solid propellant combustion has received considerable attention in the literature, using, after Zeldovich (1942 and 1964) and Denison and Baum (1961), the quasisteady approximation for the gas phase. This approximation results from the small value of the ratio of gas-to-solid densities. The analysis of the stability of a simple model of solid propellant combustion is given here. The model includes a surface pyrolisis reaction and a gas phase reaction, assuming the gas phase combustion process to be quasisteady and quasiplanar. The quasiplanar assumption results from the moderately small value of the ratio of thickness of the gas-to-solid transport zones, or from large values of the effective nondimensional activation energy of the gas phase reaction.
Aps Division of Fluid Dynamics Meeting Abstracts, Nov 1, 2007
Spontaneous capillary rise of viscous liquid between two sinusoidally corrugated plates, which ar... more Spontaneous capillary rise of viscous liquid between two sinusoidally corrugated plates, which are vertically placed in a gravitational field, is studied. The effect of geometrical variations perpendicular to the direction of penetration on the rate of capillary penetration is analyzed by using the lubrication theory. Numerical solutions of the Reynolds equations for the local free surface and pressure distribution in the fluid and the spatially-averaged penetration length are given. It was found that the amplitude of corrugation determines the time necessary to reach the equilibrium length when constant average capillary gap width is applied. These results also illustrate some features experimentally observed in spontaneous penetration of liquids into porous materials where the permeability changes spatially. Many geological and technological applications involve this type of anomalies.
This work is intended for getting a better knowledge about the role that fractures play in the tr... more This work is intended for getting a better knowledge about the role that fractures play in the transport of passive substances in the geophysical context (diagenesis and dispersion of contaminants are phenomena tight related). The thermal convection and the transport of an ideal tracer in a single, tilted, small aspect ratio tube embedded in an impermeable rock were studied. The fluid-filled tube and the tube filled with a saturated porous medium were analyzed. The impervious rock is affected by a constant vertical temperature gradient and its thermal conductivity is large respect to that of the flow zone. Closed-form analytical solutions, restricted to small Rayleigh numbers, were obtained for the temperature in the solid and for velocity and temperature within the flow zones. Experiments for the fluid-filled tube showed good agreement. The temperature distribution in the solid was measured by an infrared camera and by the PIV technique the convective velocity field was estimated. ...
In this work we are interested in describing the shape of a single drop which emerges on top of a... more In this work we are interested in describing the shape of a single drop which emerges on top of a vertical tube just when it reaches the edge of the tube. We assume that the liquid is injected at a very low, constant, volume flow rate Q. We consider, as a first approximation, that the drop shape can be calculated by using a balance of force equation that relates the hydrostatic and capillary presures. The results are valid for cases of good and poor wetting, respectively, and for high and low Bond numbers. We present experiments that validate the numerical results obtained for the drop shapes.
We review recent developments of the Lattice Boltzmann Equation method (LBE) for incompressible h... more We review recent developments of the Lattice Boltzmann Equation method (LBE) for incompressible hydrodynamics. Modifications of the discrete Boltzmann equation for a lattice gas to improve its efficiency as a numerical method are discussed. Estimations of the minimum lattice size necessary for high Reynolds number simulations are given, showing that this minimum arises from physical properties of the flows (range of scales to resolve) and not from any intrinsic limitation of the lattice gas method. Applications of the LBE to several problems are presented.
... Hacia un modelo espacial de la cultura de los Talayots de Mallorca. Autores: Francisco Javier... more ... Hacia un modelo espacial de la cultura de los Talayots de Mallorca. Autores: Francisco JavierAramburu-Zabala Higuera; Localización: Saguntum: Papeles del Laboratorio de Arqueología de Valencia, ISSN 0210-3729, Nº 27, 1994 , págs. 125-136. Fundación Dialnet. ...
A medição do templo em Apocalipse 11:1-2 tem sido entendida de várias maneiras segundo as diferen... more A medição do templo em Apocalipse 11:1-2 tem sido entendida de várias maneiras segundo as diferentes perspectivas interpretativas. Uma das principais chaves no entendimento tanto deste texto quanto do Apocalipse como um todo, é a alusão ao Antigo Testamento por trás da passagem. Frequentemente têm sido atribuídos dois panos de fundo do Antigo Testamento para tal imagem, no entanto esse estudo visa esclarecerá que tal conexão não é legitima na sua totalidade, mas que existe um pano de fundo danielico na medição do templo de Apocalipse 11:1-2.
A new lattice gas is introduced based on the Chapman–Enskog expansion for small Knudsen numbers o... more A new lattice gas is introduced based on the Chapman–Enskog expansion for small Knudsen numbers of a model Boltzmann equation. This kind of discrete dynamical system is intended to narrow the gap between ordinary lattice gases and the macroscopic incompressible Navier–Stokes equations, and to increase the efficiency and flexibility of lattice gas methods. The large scale evolution of the gas is shown to obey the Navier–Stokes equations. The linear stability of the system, considered as a finite‐difference scheme, is studied.
Resumen El objeto de este trabajo es dar a conocer las posibilidades de las Oficinas &Empleo ... more Resumen El objeto de este trabajo es dar a conocer las posibilidades de las Oficinas &Empleo del 1k/EM en el desarrollo de lasprácticas integradas de la Diplomatura de Relaciones Laborales. En particular hemos ha comprobado que, con una dirección ...
Bolleti De La Societat Arqueologica Lul Liana Revista D Estudis Historics, 1998
... Adiciones al inventario de yacimientos arqueológicos del término de Palma. Autores: Francisco... more ... Adiciones al inventario de yacimientos arqueológicos del término de Palma. Autores: FranciscoJavier Aramburu-Zabala Higuera; Localización: Bolletí de la Societat Arqueològica Lul·liana: Revista d'estudis històrics, ISSN 0212-7458, Nº. 54, 1998 , págs. 399-406. ...
The stability and transient response of solid propellant combustion has received considerable att... more The stability and transient response of solid propellant combustion has received considerable attention in the literature, using, after Zeldovich (1942 and 1964) and Denison and Baum (1961), the quasisteady approximation for the gas phase. This approximation results from the small value of the ratio of gas-to-solid densities. The analysis of the stability of a simple model of solid propellant combustion is given here. The model includes a surface pyrolisis reaction and a gas phase reaction, assuming the gas phase combustion process to be quasisteady and quasiplanar. The quasiplanar assumption results from the moderately small value of the ratio of thickness of the gas-to-solid transport zones, or from large values of the effective nondimensional activation energy of the gas phase reaction.
Aps Division of Fluid Dynamics Meeting Abstracts, Nov 1, 2007
Spontaneous capillary rise of viscous liquid between two sinusoidally corrugated plates, which ar... more Spontaneous capillary rise of viscous liquid between two sinusoidally corrugated plates, which are vertically placed in a gravitational field, is studied. The effect of geometrical variations perpendicular to the direction of penetration on the rate of capillary penetration is analyzed by using the lubrication theory. Numerical solutions of the Reynolds equations for the local free surface and pressure distribution in the fluid and the spatially-averaged penetration length are given. It was found that the amplitude of corrugation determines the time necessary to reach the equilibrium length when constant average capillary gap width is applied. These results also illustrate some features experimentally observed in spontaneous penetration of liquids into porous materials where the permeability changes spatially. Many geological and technological applications involve this type of anomalies.
This work is intended for getting a better knowledge about the role that fractures play in the tr... more This work is intended for getting a better knowledge about the role that fractures play in the transport of passive substances in the geophysical context (diagenesis and dispersion of contaminants are phenomena tight related). The thermal convection and the transport of an ideal tracer in a single, tilted, small aspect ratio tube embedded in an impermeable rock were studied. The fluid-filled tube and the tube filled with a saturated porous medium were analyzed. The impervious rock is affected by a constant vertical temperature gradient and its thermal conductivity is large respect to that of the flow zone. Closed-form analytical solutions, restricted to small Rayleigh numbers, were obtained for the temperature in the solid and for velocity and temperature within the flow zones. Experiments for the fluid-filled tube showed good agreement. The temperature distribution in the solid was measured by an infrared camera and by the PIV technique the convective velocity field was estimated. ...
In this work we are interested in describing the shape of a single drop which emerges on top of a... more In this work we are interested in describing the shape of a single drop which emerges on top of a vertical tube just when it reaches the edge of the tube. We assume that the liquid is injected at a very low, constant, volume flow rate Q. We consider, as a first approximation, that the drop shape can be calculated by using a balance of force equation that relates the hydrostatic and capillary presures. The results are valid for cases of good and poor wetting, respectively, and for high and low Bond numbers. We present experiments that validate the numerical results obtained for the drop shapes.
We review recent developments of the Lattice Boltzmann Equation method (LBE) for incompressible h... more We review recent developments of the Lattice Boltzmann Equation method (LBE) for incompressible hydrodynamics. Modifications of the discrete Boltzmann equation for a lattice gas to improve its efficiency as a numerical method are discussed. Estimations of the minimum lattice size necessary for high Reynolds number simulations are given, showing that this minimum arises from physical properties of the flows (range of scales to resolve) and not from any intrinsic limitation of the lattice gas method. Applications of the LBE to several problems are presented.
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