Browsing by Author "Mudarra López, Miguel"
Now showing items 1-20 of 26
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A model to explain the TSDC spectrum of XLPE insulation in mid voltage cables based on a virtual electrode
(2007)
Conference lecture
Open AccessThe analysis by TSDC of a large variety of cables subjected to long annealing times, has resulted in spectra that sometimes show an oscillation of the current peak observed at 99°C. This process has been observed in some ... -
Broad-band electrical conductivity of carbon nanofibre-reinforced polypropylene foams
(2011)
Article
Restricted access - publisher's policyThe influence of foaming a semi-crystalline polymer reinforced with different concentrations of carbon nanofibres (0–20 wt.%) on the formation of an electrically conductive network was studied at room temperature using an ... -
Charge storage and retention in electret dielectric layers for energy harvesting applications
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
Conference report
Restricted access - publisher's policyBy providing a permanent electric polarization, electrets have a wide range of applications in different fields like sensors and actuators, energy harvesting or biomedicine. Stable electrets with silicon-based compatible ... -
Comparative dielectric and thermally stimulated-depolarization-current studies of the liquid crystal dimers 1¿,9¿-bis(4-cyanobiphenyl-4'-yl) nonane and heptane and a binary mixture between them, close to the glass transition
(American Institute of Physics (AIP), 2022-11-21)
Article
Open AccessWe have performed dielectric spectroscopy and thermally stimulated-depolarization-current experiments to study the molecular dynamics of the twist-bend nematic phase close to the glass transition of two members of the ... -
Comparative study of mechanical and electrical relaxations in poly(etherimide). Part 2
(1998-05)
Article
Restricted access - publisher's policyThe curves describing the relaxation behaviour of poly(etherimide) at several frequencies shows in the dielectric lossÈtemperature plot c and b relax- ations centred at [95¡C and 100¡C, respectively, at 10 Hz. The glassÈrubber ... -
Comparison of pulsed electroacoustic and thermally stimulated depolarization current measurements of thermally poled PET electrets
(Elsevier, 2022-09-01)
Article
Restricted access - publisher's policyWe have compared measurements of a set of polyethylene terephthalate (PET) electret samples by means of pulsed electroacoustic method (PEA) and thermally stimulated depolarization current (TSDC) techniques. Samples where ... -
De les tutories-coaching als estudis atractius... Eines per al foment dels estudis d'enginyeria
(2008)
Conference report
Restricted access - publisher's policyEn aquesta comunicació es presenta el pla de tutories de l’ETSEIAT (Escola Tècnica Superior d’Enginyeries Industrial i Aeronàutica de Terrassa) que ha servit per “acompanyar” l’estudiantat, especialment el de nou ingrés, ... -
Double glass transition in polyethylene naphthalate by MDSC, BDS, and TSDC
(American Institute of Physics (AIP), 2024-08-07)
Article
Open AccessIn this work, we present an experimental study of the primary and secondary relaxations of the semi-crystalline polymer polyethylene naphthalate by modulated differential scanning calorimetry, Thermally Stimulated ... -
EEES: adeqüació de les metodologies docents i consolidació de les tutoritzacions on-line a l’Escola Tècnica Superior d’Enginyeria Industrial i Aeronàutica de Terrassa
(Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2008-02-07)
Article
Open AccessL'índex d'estudiants exclosos durant la fase selectiva ha estat un tema de preocupació per part dels equips directius, i els estudis que s'han fet indiquen que són comparables a d'altres titulacions de la UPC. Per tal ... -
Effects of UV radiation on the charge trapping capability of PET
(Institute of Physics (IOP), 2019-02-06)
Article
Open AccessPoly(ethylene terephthalate) (PET) is able to retain space charge in traps, as is usual in dielectric materials. This allows the material to attain an almost permanent polarization when space charge is displaced by an ... -
El programa INSPIRE3: la promoción del talento en ingeniería
(2010)
Conference report
Open AccessEl programa INSPIRE3 es una iniciativa de la Escuela Técnica Superior de Ingenierías Industrial y Aeronáutica de Terrassa (ETSEIAT, http://www.etseiat.upc.edu) dirigida al estudiantado para el desarrollo de proyectos ... -
Estudio de la carga de espacio en polímeros amorfos por espectroscopia dieléctrica
(Universitat Politècnica de Catalunya, 2000-01-17)
Doctoral thesis
Open AccessEl término carga de espacio describe el estado eléctrico de un material, mal conductor, que mantiene una distribución de cargas eléctricas relativamente inmóviles. El estudio del efecto de la carga de espacio sobre las ... -
Extracurricular learning program for professional skills development in engineering schools
(2012)
Conference report
Restricted access - publisher's policyThis paper presents an extracurricular program called INSPIRE3 that has been implemented by the ETSEIAT (Escola Tècnica Superior d'Enginyeries Industrial i Aeronàutica de Terrassa), a center belonging to the UPC-BarcelonaTech ... -
II Jornada Técnica Seguridad Vial Inauguració
(2015-03-18)
Audiovisual
Open Access -
Implantació i consolidació d'un servei d'orientació i tutorització on-line pels estudiants de fase selectiva en l'Escola Tècnica Superior d'Enginyeria Industrial de Terrassa
(2005-02)
Conference report
Open AccessL’índex d’estudiants exclusos durant la fase selectiva de la titulació d’enginyeria industrial ha estat un tema de preocupació per part dels equips directius, i els estudis que s’han fet indiquen que és comparable a altres ... -
Influence of internal flexibility on the double glass transition in a series of odd non-symmetric liquid crystal dimers characterised by dielectric measurements
(2017-04-11)
Article
Open AccessDielectric measurements (thermally stimulated depolarisation currents and broadband dielectric spectroscopy) have been performed near the glass transition to study the glass transition on the odd non-symmetric liquid crystal ... -
Influence of Polymethylmethacrylate microstructure on its conductive properties at high temperature
(2019)
Article
Open AccessThe influence of a set of tacticity-governed microstructures on the conductive properties of poly(methyl methacrylate) has been studied at high temperatures. Those structures are specially the mmmr and the mmmmrx (x = m ... -
Insights into the structural and dielectric behavior of composites produced from EPDM waste processed through a devulcanization method and SBR
(American Chemical Society (ACS), 2023-03-30)
Article
Open AccessEthylene propylene diene monomer (EPDM) is one of the most used polymers in the world. It is an elastomer, which means that the existing cross-linking between the main chains of the polymer created during the vulcanization ... -
Integració curricular d'assignatures per al disseny del nou màster d'enginyeria aeronàutica
(Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2013-02-08)
Conference report / Conference lecture
Open AccessAquest projecte ha implementat una prova pilot d’un pla transversal de coordinació de diferents assignatures (Projectes d’Enginyeria Aeronàutica (UPC-enginyeria aeronàutica), Direcció Estratègica (UPC-enginyeria ... -
La transició del batxillerat a la universitat: reflexions des de l'ETSEIAT
(V CIDUI, 2008)
Conference lecture
Open AccessEn aquesta presentació es volen dur a terme un conjunt de reflexions obertes en relació a aquella transició Batxillerat-Universitat, a la vista del que l’oportunitat de l’EEES pot significar, tenint present la experiència ...
