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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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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 ...
Temperature compensation of ultrasonic velocity during the malolactic fermentation process
(2015-11-04)
Article.
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Article.
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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 ...
Study of the effect of angle errors in conical ultrasonic sensors
(2013-09-01)
Article.
Accés restringit per política de l'editorial
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 ...
Ultrasonic monitoring of malolactic fermentation in red wines
(2014-08-01)
Article.
Accés restringit per política de l'editorial
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 inspection system for powder metallurgy parts
(2013-04)
Article.
Accés restringit per política de l'editorial
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 ...
Resizing buffer rods for ultrasound testing of food products with acoustic noise considerations
(2013-01)
Article.
Accés restringit per política de l'editorial
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 ...