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Guided wave sensing in a carbon steel pipe using a laser vibrometer system
(American Institute of Physics (AIP), 2010)
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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 ...
Effect of angle errors in conical tip buffer rods
(Institute of Electrical and Electronics Engineers (IEEE), 2011)
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Buffer 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 ...
Drahtlose Netzwerke
(European Virtual Learning Platform for Electrical and Information Engineering, 2016-06-11)
Llibre.
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Llibre.
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Dieses Modul bietet eine aktuelle Übersicht der drahtlosen Netzwerke im Allgemeinen und der drahtlosen LAN-Netzwerke im Besonderen. Es beschreibt die Grundlagen der verschiedenen drahtlosen Technologien, ihre Hauptcharak ...
MEMS technologies for energy harvesting
(Springer, 2016-11-11)
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Capítol de llibre.
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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 ...
Ultrasonic velocity of water-ethanol-malic acid-lactic acid mixtures during the malolactic fermentation process
(Elsevier, 2015-03)
Article.
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Article.
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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 ...
Análisis de masas alimenticias mediante sensores electrónicos de ultrasonido: aplicación al estudio de masas de cereales
(2010-03)
Article.
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Article.
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Monitorización del proceso de fermentación maloláctica en el vino tinto mediante propagación de ondas de ultrasonido
(AMV, 2013)
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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 ...
Quartz crystal microbalance holder design for on-line sensing in liquid applications
(2016-05)
Article.
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Article.
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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 ...
Laser interferometric measurements of air-coupled lamb waves
(American Institute of Physics (AIP), 2010)
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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
(American Institute of Physics (AIP), 2010)
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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 ...