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  • Linearity error in Clamp-on ultrasonic flowmeters due to the installation on pipes made of dispersive materials 

    Millán Blasco, Oliver; Salazar Soler, Jorge; Chávez Domínguez, Juan Antonio; Turó Peroy, Antonio; García Hernández, Miguel J. (Institute of Electrical and Electronics Engineers (IEEE), 2017)
    Texto en actas de congreso
    Acceso abierto
    This 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 ...
  • Influence on the accuracy of clamp-on ultrasonic flowmeters due to the recombination of multiple propagation paths 

    Millán Blasco, Oliver; Salazar Soler, Jorge; Chávez Domínguez, Juan Antonio; Turó Peroy, Antonio; García Hernández, Miguel J. (Institute of Electrical and Electronics Engineers (IEEE), 2017)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    Clamp-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 ...
  • Splitting of the ultrasounic beam path in clamp-on ultrasonic flowmeters due to propagation through dispersive materials 

    Millán Blasco, Oliver; Salazar Soler, Jorge; Chávez Domínguez, Juan Antonio; Turó Peroy, Antonio; García Hernández, Miguel J. (Institute of Electrical and Electronics Engineers (IEEE), 2017)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    This article explains how a multi-frequency ultrasonic beam path is split due to passing through dispersive materials and the implications that it has in flow measurement using a Clamp-on ultrasonic flowmeter. The importance ...
  • Characterization of nonhomogeneity in the dispersive properties of the materials used in pipes 

    Millán Blasco, Oliver; Salazar Soler, Jorge; Chávez Domínguez, Juan Antonio; Turó Peroy, Antonio; García Hernández, Miguel J. (Institute of Electrical and Electronics Engineers (IEEE), 2017)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    This 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 

    Chávez Domínguez, Juan Antonio; García Hernández, Miguel J.; Millán Blasco, Oliver; Tur Gaspar, Ignasi; Turó Peroy, Antonio; Amer, Miquel Àngel; Salazar Soler, Jorge (Institute of Electrical and Electronics Engineers (IEEE), 2017)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    This 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 ...
  • Analisis y diseño de un oscilador en banda V 

    Corbella Sanahuja, Ignasi; Salazar Soler, Jorge (1991)
    Texto en actas de congreso
    Acceso abierto
    In this paper the analysis and design of an oscillator in V band is presented. Taking advantage of a coaxial oscillation, sorne results related with frequency stability have been obtained. A special attention has been paid ...
  • Monitorización del proceso de fermentación maloláctica en el vino tinto mediante propagación de ondas de ultrasonido 

    Novoa-Díaz, Daniel F.; Puig-Pujol, A.; Rodríguez Nogales, J. M.; Fernández Fernández, E.; Vila Crespo, J.; Capdevila, F; Amer, M.A.; García Álvarez, Víctor Óscar; Chávez Domínguez, Juan Antonio; García Hernández, Miguel J.; Turó Peroy, Antonio; Salazar Soler, Jorge (AMV, 2013)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    La 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 ...
  • Implementación y primeros resultados de la asignatura de introducción a la ingeniería en los nuevos grados de la ETSETB-UPC 

    Sayrol Clols, Elisa; Onrubia, Raúl; García Hernández, Miguel J.; Oliveras Vergés, Albert; Bragós Bardia, Ramon; Pegueroles Vallés, Josep R.; Alarcón Cot, Eduardo José; Camps Carmona, Adriano José; Sardà Ferrer, Joan; Consolación Segura, Carolina María; Mussons Sellés, Jaume; Pons Peregort, Olga (IEEE, 2011)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    En este trabajo se describe la asignatura "Introducción a la Ingeniería de las TIC" que, basándose en restricciones y especificaciones iniciales, ha sido concebida, diseñada e implementada en la ETSETB de la UPC. Es la ...
  • Análisis y diseño de un oscilador en banda V 

    Salazar Soler, Jorge; Corbella Sanahuja, Ignasi (1991)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    In this paper the analysis and design of an oscillator in V ban is presented. Taking advantage of a coaxial oscillation, some results related with frequency stability have been obtained. A special attention has been paid ...
  • Laser interferometric measurements of air-coupled lamb waves 

    García Rodríguez, Mercedes; Yañez, Y.; García Hernández, Miguel J.; Salazar Soler, Jorge; Turó Peroy, Antonio; Chávez Domínguez, Juan Antonio (American Institute of Physics (AIP), 2010)
    Texto en actas de congreso
    Acceso restringido por decisión del autor
    In 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 ...
  • High voltage pulser for NDE air-coupled lamb wave ultrasonic system 

    García Rodríguez, Mercedes; Arjones, V.; Yañez, Y.; García Hernández, Miguel J.; Salazar Soler, Jorge; Turó Peroy, Antonio; Chávez Domínguez, Juan Antonio (American Institute of Physics (AIP), 2010)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    This 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 ...
  • Guided wave sensing in a carbon steel pipe using a laser vibrometer system 

    Ruiz Toledo, Abelardo; Salazar Soler, Jorge; Chávez Domínguez, Juan Antonio; García Hernández, Miguel J.; Turó Peroy, Antonio (American Institute of Physics (AIP), 2010)
    Texto en actas de congreso
    Acceso restringido por política de la editorial
    Non-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 ...

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