Ara es mostren els items 29-42 de 42

    • MEMS technologies for energy harvesting 

      Domínguez Pumar, Manuel; Pons Nin, Joan; Chávez Domínguez, Juan Antonio (Springer, 2016-11-11)
      Capítol de llibre
      Accés obert
      The objective of this chapter is to introduce the technology of Microelectromechanical Systems, MEMS, and their application to emerging energy harvesting devices. The chapter begins with a general introduction to the most ...
    • 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)
      Text en actes de congrés
      Accés restringit per política de l'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 ...
    • Multichannel QCM-based system for continuous monitoring of bacterial biofilm growth 

      Amer Boixareu, Miguel Ángel; Turó Peroy, Antonio; Salazar Soler, Jorge; Berlanga Herrera, Luis; García Hernández, Miguel J.; Chávez Domínguez, Juan Antonio (2020-06)
      Article
      Accés obert
      Quartz 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 ...
    • Process design involving ultrasound 

      Salazar Soler, Jorge; Turó Peroy, Antonio; Chávez Domínguez, Juan Antonio; García Hernández, Miguel J. (WILEY-BLACKWELL, 2012-04)
      Capítol de llibre
      Accés restringit per política de l'editorial
    • Quartz crystal microbalance holder design for on-line sensing in liquid applications 

      Amer, M.A.; Chávez Domínguez, Juan Antonio; García Hernández, Miguel J.; Salazar Soler, Jorge; Turó Peroy, Antonio (2016-05)
      Article
      Accés obert
      In this paper, the design of a QCM sensor for liquid media measurements in vertical position is described. A rugged and low-cost proof holder has been designed, the cost of which is significantly lower than those ...
    • Real-time detection of the bacterial biofilm formation stages using QCM-based sensors 

      Salazar Soler, Jorge; Amer Boixareu, Miguel Ángel; Turó Peroy, Antonio; Castro, Nagore; Navarro Pons, Marc; Soto, Sara; Gabasa, Yaiza; López, Yuly; Chávez Domínguez, Juan Antonio (2023-01-14)
      Article
      Accés obert
      Bacterial biofilms are a major cause of harm related to medical infections and biofouling. Thus, 80% of total infections are caused by biofilm-forming microorganisms. Consequently, knowledge of biofilm formation stages is ...
    • Resizing buffer rods for ultrasound testing of food products with acoustic noise considerations 

      García Álvarez, J.; García Hernández, Miguel J.; Novoa Díaz, Daniel F.; Turó Peroy, Antonio; Chávez Domínguez, Juan Antonio; Salazar Soler, Jorge (2013-01)
      Article
      Accés restringit per política de l'editorial
      Buffer rods can be used to perform non-destructive and on-line analysis of food and beverage products. These rods, usually solid cylinders, can be long and heavy for certain applications. In this paper, a resizing analytic ...
    • 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)
      Text en actes de congrés
      Accés restringit per política de l'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 ...
    • Study of the effect of angle errors in conical ultrasonic sensors 

      García Álvarez, Víctor Óscar; García Hernández, Miguel J.; Chávez Domínguez, Juan Antonio; Turó Peroy, Antonio; Salazar Soler, Jorge (2013-09-01)
      Article
      Accés restringit per política de l'editorial
      Many ultrasonic sensors intended for non-destructive testing include a plastic or metal element, known as buffer rod, between the ultrasonic transducer and the material under analysis. Buffer rods are often terminated in ...
    • Temperature compensation of ultrasonic velocity during the malolactic fermentation process 

      Amer, Miquel Àngel; Novoa Díaz, Daniel F.; Chávez Domínguez, Juan Antonio; Turó Peroy, Antonio; García Hernández, Miguel J.; Salazar Soler, Jorge (2015-11-04)
      Article
      Accés obert
      Ultrasonic properties of materials present a strong dependence on temperature and in turn the ultrasonic velocity of propagation in the material under test. It is precisely for this reason that most ultrasonic measurements ...
    • Ultrasonic inspection system for powder metallurgy parts 

      Turó Peroy, Antonio; Chávez Domínguez, Juan Antonio; García Hernández, Miguel J.; Bulkai, András; Tomek, Péter; Tóth, Gabor; Gironés, Ana; Salazar Soler, Jorge (2013-04)
      Article
      Accés restringit per política de l'editorial
      The demand for powder metallurgy (P/M) parts in its traditional automotive market is predicted to grow, but future sector expansion depends directly upon its capability to manufacture zero-defect parts for industries such ...
    • Ultrasonic monitoring of malolactic fermentation in red wines 

      Novoa Díaz, Daniel F.; Rodríguez Nogales, J. M.; Fernández Fernández, E.; Vila Crespo, J.; García Álvarez, Víctor Óscar; Amer, M.A.; Chávez Domínguez, Juan Antonio; Turó Peroy, Antonio; García Hernández, Miguel J.; Salazar Soler, Jorge (2014-08-01)
      Article
      Accés restringit per política de l'editorial
      The progress of malolactic fermentation in red wines has been monitored by using ultrasonic techniques. The evolution of ultrasonic velocity of a tone burst 1 MHz longitudinal wave was measured, analyzed and compared to ...
    • Ultrasonic velocity of water-ethanol-malic acid-lactic acid mixtures during the malolactic fermentation process 

      Amer, M.A.; Novoa Díaz, Daniel F.; Puig-Pujol, A.; Capdevila, Josefina; Chávez Domínguez, Juan Antonio; Turó Peroy, Antonio; García Hernández, Miguel J.; Salazar Soler, Jorge (Elsevier, 2015-03)
      Article
      Accés obert
      During malolactic fermentation in wines, malic acid is transformed into lactic acid by the action of lactic acid bacteria. This process can be monitored on-line by measuring the velocity of a low intensity ultrasonic wave ...
    • Zero-flow offset variation in ultrasonic clamp-on flowmeters due to inhomogeneity and nonlinearity of pipe materials 

      Millán Blasco, Oliver; Salazar Soler, Jorge; Chávez Domínguez, Juan Antonio; Turó Peroy, Antonio; García Hernández, Miguel J. (2017-11)
      Article
      Accés restringit per política de l'editorial
      The objective of this paper is to measure the zero-flow offset variation in ultrasonic Clamp-on flowmeters produced by using pipes made of materials with a nonhomogeneous and nonlinear behavior. The evaluation of this ...