Exploració per autor "Torrents Dolz, Josep M."
Ara es mostren els items 6-25 de 31
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La Babel de los sistemas de medida : la unificación del sistema de medida dimensional es imitado por la unificación del sistema monetario
Torrents Dolz, Josep M. (Escola Tècnica Superior d'Enginyers de Telecomunicació de Barcelona, 2002)
Article
Accés obert -
Compensation of impedance meters when using an external front-end amplifier
Torrents Dolz, Josep M.; Pallàs-Areny, Ramon (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2002-04-30)
Article
Accés obertFour-terminal impedance meters based on pseudo-bridges yield unexpected uncertainties when using high-contact-impedance electrodes. Adding a front-end amplifier to the impedance meter and rearranging the connection of the ... -
Conductive concrete made from recycled carbon fibres for self-heating and de-icing applications in urban furniture
Faneca Llesera, Gerard; Ikumi Montserrat, Tai; Torrents Dolz, Josep M.; Aguado de Cea, Antonio; Segura Pérez, Ignacio (Instituto Técnico de la Construcción y del Cemento, 2020-09)
Article
Accés obertThis paper presents a broad experimental study performed at laboratory and industrial facilities to develop conductive concrete for self-heating and de-icing applications in urban furniture. Self-heating capacity is achieved ... -
Desenvolupament de tècniques de mesura d'impedància elèctrica aplicada a la caracterització de sòls
Torrents Dolz, Josep M. (Universitat Politècnica de Catalunya, 1996-11-25)
Tesi
Accés obertLa humitat és un dels paràmetres més característics del sòl i el seu coneixement té interès des de diversos àmbits de la enginyeria. Conèixer la humitat mitjançant la impedància elèctrica planteja un estudi acurat de les ... -
Development of conductive cementitious materials using recycled carbon fibres
Faneca Llesera, Gerard; Segura Pérez, Ignacio; Torrents Dolz, Josep M.; Aguado de Cea, Antonio (2018-09)
Article
Accés obertConductive cementitious materials have gained immense attention in recent years owing to the possibility of achieving multifunctional materials. The usual approach has been to incorporate carbonaceous nanomaterials and/or ... -
Electrical impedance as a technique for civil engineer structures surveillance : considerations on the galvanic insulation of samples
Torrents Dolz, Josep M.; Juan Garcia, Pablo; Aguado de Cea, Antonio (Institute of Physics, 2007)
Article
Accés obertSince Electric Impedance Spectroscopy (EIS) has been widely used to determine physical properties of materials, it becomes necessary to evaluate different error contributions. In this work, it is studied the effect of the ... -
Electrònica Naval
Torrents Dolz, Josep M. (Universitat Politècnica de Catalunya, 2022-06-14)
Examen
Accés restringit a la comunitat UPC -
Error analysis in two-terminal impedance measurements with residual correction
Torrents Dolz, Josep M.; Pallàs-Areny, Ramon (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2005-10-31)
Article
Accés obertResidual impedance correction in impedance analyzers when using an asymmetrical test fixture needs three reference measurements, usually open circuit, short circuit, and load (meaning an impedance close to the impedance ... -
Evaluation of conductive concrete made with steel slag aggregates
Santillán Alarcón, Ninel Estefanía; Speranza, Santiago; Torrents Dolz, Josep M.; Segura Pérez, Ignacio (2022-12)
Article
Accés obertThe incorporation of black steel slag (waste from steel production) in concrete responds to a greater awareness of sustainability. In addition, it is capable of increasing electrical conductivity. The objective of this ... -
Examen Electrònica Naval
Torrents Dolz, Josep M. (Universitat Politècnica de Catalunya, 2023-06-14)
Examen
Accés restringit a la comunitat UPC -
Examen final
Torrents Dolz, Josep M. (Universitat Politècnica de Catalunya, 2021-06-17)
Examen
Accés restringit a la comunitat UPC -
Examen final
Torrents Dolz, Josep M. (Universitat Politècnica de Catalunya, 2019-06-12)
Examen
Accés restringit a la comunitat UPC -
Examen final
Torrents Dolz, Josep M.; Pol Fernández, Clemente; Ros Costals, Eloi (Universitat Politècnica de Catalunya, 2021-06-15)
Examen
Accés restringit a la comunitat UPC -
Improved assessment of fibre content and orientation with inductive method in SFRC
Pialarissi Cavalaro, Sergio Henrique; López Carreño, Rubén-Daniel; Torrents Dolz, Josep M.; Aguado de Cea, Antonio (2015-06)
Article
Accés obertThe inductive method is a robust and simple non-destructive test to assess the content and the distribution of steel fibres in FRC. Despite the advantages in comparison with other methods, further studies are still needed ... -
Inductive method for assessing the amount and orientation of steel fibers in concrete
Torrents Dolz, Josep M.; Blanco Álvarez, Ana; Pujadas Álvarez, Pablo; Aguado de Cea, Antonio; Juan Garcia, Pablo; Sánchez-Moragues, Miguel Ángel (2012-04-24)
Article
Accés restringit per política de l'editorialSteel fibers are ferromagnetic and they have the property of altering the magnetic field around them. This paper discusses a method and gives a practical example to measure, non-destructively, the amount and orientation ... -
Influence of fiber properties on the inductive method for the steel-fiber-reinforced concrete characterization
Juan-García, Pablo; Torrents Dolz, Josep M.; López Carreño, Rubén-Daniel; Pialarissi Cavalaro, Sergio Henrique (2016-08-01)
Article
Accés obertThe inductive method has shown to be a good method for the estimation of fiber dosage in steel-fiber-reinforced concrete. The current formulations reported a strong correlation between inductance and fiber content, as well ... -
Measurement of moisture in mortar using a coplanar waveguide
Juan Garcia, Pablo; Torrents Dolz, Josep M. (2009)
Text en actes de congrés
Accés obertIncreasingly more non-destructive testing methods are being developed in a civil engineering context, but many of them cannot be applied when only one surface of the structure can be accessed. In order to measure moisture ... -
Measurement of mortar permittivity during setting using a coplanar waveguide
Juan Garcia, Pablo; Torrents Dolz, Josep M. (2010-03)
Article
Accés obertA sensor based on a coplanar waveguide structure was designed to perform non-destructive tests for material characterization in which the measurement can be done only on one side of the sample. The measurements were compared ... -
Method for forming a magnec field of arbitrary shape from an established template
Torrents Dolz, Josep M.; Juan García, Pablo; Sánchez Moragues, Miguel Ángel (Universitat Politècnica de Catalunya (UPC), 2013)
Text en actes de congrés
Accés obertA strategy to design a particular form of magnetic field along an axis from a coaxial inductor is described. The procedure is illustrated with the design of a constant magnetic field inside a cubic inductor. It validates ... -
Method for forming a magnetic field of arbitrary shape from an established template
Torrents Dolz, Josep M.; Juan García, Pablo; Sánchez Moragues, Miguel Ángel (Universitat Politècnica de Catalunya (UPC), 2013)
Text en actes de congrés
Accés obertA strategy to design a particular form of magnetic field along an axis from a coaxial inductor is described. The procedure is illustrated with the design of a constant magnetic field inside a cubic inductor. It validates ...