Gasque Albalate, Maria Concepcion; Martínez Sala, Rosa María; Tarrazó Serrano, Daniel; Rubio Michavila, Constanza(Universitat Politècnica de València, 2022-07-06)
En este artículo docente se explican los fundamentos para determinar la fuerza electromotriz y la corriente inducida en una espira sometida a flujo magnético variable en el tiempo. Se aplican las Leyes de Faraday y de Lenz. ...
[EN] The manipulation of focal patterns of acoustic underwater Soret Zone Plate lens in far fields, such as manipulation (optimization) of Sidelobe Level and the design of long depth of focus by selecting the simple free ...
Ripoll García, Amparo(Universitat Politècnica de València, 2020-12-22)
[ES] La caracterización del ruido es una herramienta utilizada para localización e identificación de zonas de alto nivel sonoro, como es el caso, de espacios públicos y abiertos. A través de un mapa sonoro, en el presente ...
[EN] The analysis of the sound eld in an enclosure is one of the points included in the subjects related to theRoom Acoustics. However, students often have di culties with spatial comprehension and visualization ofthe ...
Sujar Cost, Rafael(Universitat Politècnica de València, 2023-10-05)
[ES] El presente trabajo pretende analizar y caracterizar numérica y experimentalmente la capacidad de modular haces de ultrasonidos mediante la modificación de lentes de Fresnel. En primer lugar, se describirán las ...
[EN] Zone plate lenses are used in many areas of physics where planar geometry is advantageous in comparison with conventional curved lenses. There are several types of zone plate lenses, such as the well-known Fresnel ...
[EN] In this paper, the analytical and numerical solutions of a non-steady state mathematical
model are developed and analyzed. The mathematical model development
of a non-steady state heat transport for a one-dimensional ...
[EN] The possibility of modulating the ultrasound beam produced by a transducer through lenses has become
an important task. The fact that these lenses are flat, facilitates their design, construction and applications. ...
[EN] In many engineering degrees courses, Physics is a fundamental pillar from which the rest of the subjects of the degree are formed. This fundamental nature is perceived by students as subjects with no connection to the ...
Este objeto de aprendizaje es una introducción a los ultrasonidos y las tipologías de ondas para estudiantes de cualquier ingeniería. Sirve como base para fundamentar el aprendizaje en acústica. Incluye:
Clasificar las ...
En este objeto de aprendizaje se muestra el proceso de descarga un condensador a través de una resistencia en serie con una autoinducción. Las magnitudes eléctricas evolucionan en el tiempo oscilando de manera subamortiguada, ...
[EN] Traditional acoustic lenses modulate the ultrasonic beam due to their curved surfaces and the refractive material of which they are made. In this work, a different type of acoustic lens, based on Polyadic Cantor ...
Rubio Michavila, Constanza; Tarrazó-Serrano, Daniel; Castiñeira Ibáñez, Sergio; Minin, Oleg V.; Candelas Valiente, Pilar; Minin, Igor V.(Acoustical Society of America, 2019-09-06)
Fresnel Zone Plate lenses present a high capacity to generate focus spot. In acoustics, these ultrasound lenses can be used in both HIFU and imaging systems. One of the limitations of classical Fresnel Zone
Plates is the ...
En Régimen Estacionario Sinusoidal (RES) la relación tensión-corriente en un elemento pasivo formado por elementos de comportamiento lineal resulta ser la impedancia compleja. De ella se deduce fácilmente el desfase que ...
[EN] Rice (Oryza sativa L.) is a staple cereal in the diet of more than half of the world's population. Within the European Union, Spain is a leader in rice production due to its climate and tradition, accounting for 26% ...
Tarrazó-Serrano, Daniel; Rubio Michavila, Constanza; Minin, O. V.; Uris Martínez, Antonio; Minin, I. V.(Springer, 2020-10)
[EN] The ability of focus waves with concave or convex surfaces is well known both in optics and in acoustics. Nowadays, the possibility of beamforming sound with flat lenses is a hot topic because of its application in ...
[EN] The capability of focusing of a novel acoustic lens based on a mesoscale acoustic cuboid particle filled with CO2 gas is analysed. This flat lens is able to focus sound in the same way that conventional curved acoustic ...
[EN] Sustainable Development Goals (SDGs) currently represent a challenge for the future and are already being implemented in different working areas. That is why, from the moment a student starts university education, ...
Castiñeira Ibáñez, Sergio; Tarrazó Serrano, Daniel(Universitat Politècnica de València, 2023-05-29)
El Teorema de Ampère permite obtener el campo magnético de ciertas distribuciones de corriente. No es una definición de campo magnético, pero si se conoce cómo es éste, es una herramienta que permite obtenerlo de manera ...
[EN] Fresnel Zone Plates are planar lenses that can be used to focus ultrasound beams. This kind of acoustic lenses can play a key role in the resolution of ultrasonic NDT systems. In this type of pulse-echo applications, ...