Browsing by Author "Turó Peroy, Antonio"
Now showing items 1-20 of 30
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A novel distributed fiber-optic strain sensor
(2002-08)
Article
Restricted access - publisher's policyThe theory of operation of a fiber-optic-based strain sensor system, suitable for long structures, is described. The proposed sensor design is composed of several hundreds of sections separated by reflectors in order to ... -
Análisis de masas alimenticias mediante sensores electrónicos de ultrasonido: aplicación al estudio de masas de cereales
(2010-03)
Article
Open Access -
Characterization of nonhomogeneity in the dispersive properties of the materials used in pipes
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
Conference report
Restricted access - publisher's policyThis article is focused on the characterization of the lack of homogeneity in the dispersive acoustic properties of polymeric materials used in industrial pipes. Usually, the parameter of interest associated to dispersion ... -
Comparison between sine wave fitting and zero- crossing methods applied to QCM impedance measurements
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
Conference report
Restricted access - publisher's policyThis paper presents a comparison between two algorithms for sinusoidal signal characterization applied to QCM impedance measurements. These algorithms are the zero crossing and peak detection method and the 7 parameters ... -
Design and implementation of an ultrasonic sensor for rapid monitoring of industrial malolactic fermentation of wines
(2017-12-19)
Article
Open AccessUltrasound is an emerging technology that can be applied to monitor food processes. However, ultrasonic techniques are usually limited to research activities within a laboratory environment and they are not extensively ... -
Effect of angle errors in conical tip buffer rods
(Institute of Electrical and Electronics Engineers (IEEE), 2011)
Conference report
Restricted access - publisher's policyBuffer rods are usually plastic or metallic solid cylinders of known acoustic properties, which are placed between the ultrasonic transducer and the sample under study. For some applications, the buffer rod end in contact ... -
Examen Final
(Universitat Politècnica de Catalunya, 2015-01-16)
Exam
Restricted access to the UPC academic community -
Examen Final
(Universitat Politècnica de Catalunya, 2014-06-19)
Exam
Restricted access to the UPC academic community -
Examen Final
(Universitat Politècnica de Catalunya, 2016-06-02)
Exam
Restricted access to the UPC academic community -
Examen Final
(Universitat Politècnica de Catalunya, 2018-06-15)
Exam
Restricted access to the UPC academic community -
Examen Final
(Universitat Politècnica de Catalunya, 2019-01-16)
Exam
Restricted access to the UPC academic community -
Guided wave sensing in a carbon steel pipe using a laser vibrometer system
(American Institute of Physics (AIP), 2010)
Conference report
Restricted access - publisher's policyNon-Destructive Evaluation (NDE) techniques have achieved a great development during the last decades as a valuable tool for material characterization, manufacturing control and structural integrity tests. Among these ... -
High voltage pulser for NDE air-coupled lamb wave ultrasonic system
(American Institute of Physics (AIP), 2010)
Conference report
Restricted access - publisher's policyThis paper describes a high voltage pulser developed for an air-coupled ultrasonic array NDE system based on Lamb waves. Unlike the classical single pulse excitation circuits, this pulser is able to generate a bipolar ... -
Influence on the accuracy of clamp-on ultrasonic flowmeters due to the recombination of multiple propagation paths
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
Conference report
Restricted access - publisher's policyClamp-on ultrasonic flowmeters geometry includes four different materials in the ultrasound propagation path: wedge, coupling material, pipe and liquid. In this case, oblique incidence ultrasonic beam generated by the ... -
Laboratori d'Electrònica i de Física
(Universitat Politècnica de Catalunya, 2009)
Practice
Open Access -
Laboratori d'electrònica i física
(Universitat Politècnica de Catalunya, 2009)
Lecture notes
Open Access -
Laser interferometric measurements of air-coupled lamb waves
(American Institute of Physics (AIP), 2010)
Conference report
Restricted access - author's decisionIn this paper, experimental measurements of the vibration pattern that results when an air-coupled A0 Lamb wave mode propagates in a plate are presented. Lamb waves are generated using an air-coupled piezoelectric transducer ... -
Linearity error in Clamp-on ultrasonic flowmeters due to the installation on pipes made of dispersive materials
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
Conference report
Open AccessThis article analyses and explains the implications that dispersive materials have over the linearity in flow measurement when a Clamp-on ultrasonic flowmeter is used. This is of capital importance because dispersive ... -
Monitorización del proceso de fermentación maloláctica en el vino tinto mediante propagación de ondas de ultrasonido
(AMV, 2013)
Conference report
Restricted access - publisher's policyLa acción de las bacterias fácticas, durante la fermentación maloláctica (FML) del vino tinto, tiene como principal finalidad la reducción del nivel de concentración del ácido málico al tiempo que se va incrementando el ... -
Multichannel QCM-based system for continuous monitoring of bacterial biofilm growth
(2019-07-17)
Article
Open AccessQuartz crystal microbalance (QCM) sensors are becoming a good alternative to analytical methods for the measurement of bacterial growth in liquid media culture. For this purpose, two essential resonance parameters allow ...
