Exploració per autor "Torrents Dolz, Josep M."
Ara es mostren els items 1-20 de 31
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A new method for sea wave detection by using a speed log meter
(2011)
Text en actes de congrés
Accés restringit per política de l'editorialWe present two different methods for measuring waves from the information provided by the speed log meter onboard. The first method processes data in the time domain, and is based in the measurement of the standard deviation ... -
Agrupación plana alimentada por linea de sustrato suspendido
(1989)
Text en actes de congrés
Accés obertThe purpose of this design is a new type of planar antenna with hi gh-efficency and large-bandwidth requirements of TVRO. A low loss suspended substrate line (SSL ) has been developed and optimisated for feed network. -
Aplicaciones estructurales de hormigón con fibras
(Universitat Politècnica de Catalunya. Departament d'Enginyeria de la Construcció (EC), 2007)
Llibre
Accés restringit per política de l'editorialDentro del planteamiento de la Cátedra de empresa titulada Innovación en Tecnología del Hormigón patrocinada por BASF-MOLINS-BEKAERT está la celebración de jornadas técnicas. El presente documento es una muestra de este ... -
Assessment of fibre content and 3D profile in cylindrical SFRC specimens
(2016-01)
Article
Accés obertThe inductive method from Torrents et al. (Mater Struct 45(10):1577–1592, 2012, 1) is used to assess the fibre content and orientation in steel fibre reinforced concrete. Despite several advantages, the method presents ... -
Assessment of fibre content and orientation in SFRC with the inductive method. Part 1: theoretical basis of the method and study of the influence of the type of coil and temperature on its accuracy
(2015)
Text en actes de congrés
Accés obertThe inductive method is a non-destructive test which is capable to estimate both the fibre orientation and the fibre content in steel fibre reinforced concrete (SFRC) samples by the means of a coil and an impedance analyser. ... -
La Babel de los sistemas de medida : la unificación del sistema de medida dimensional es imitado por la unificación del sistema monetario
(Escola Tècnica Superior d'Enginyers de Telecomunicació de Barcelona, 2002)
Article
Accés obert -
Compensation of impedance meters when using an external front-end amplifier
(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
(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
(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
(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
(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
(Universitat Politècnica de Catalunya, 2022-06-14)
Examen
Accés restringit a la comunitat UPC -
Error analysis in two-terminal impedance measurements with residual correction
(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
(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
(Universitat Politècnica de Catalunya, 2023-06-14)
Examen
Accés restringit a la comunitat UPC -
Examen final
(Universitat Politècnica de Catalunya, 2021-06-17)
Examen
Accés restringit a la comunitat UPC -
Examen final
(Universitat Politècnica de Catalunya, 2019-06-12)
Examen
Accés restringit a la comunitat UPC -
Examen final
(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
(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
(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 ...
