Development of Conductivity Sensors for Multi-Phase Flow Local Measurements at the Polytechnic University of Valencia (UPV) and University Jaume I of Castellon (UJI)
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Otros documentos de la autoría: Muñoz-Cobo, Jose-Luis; chiva, sergio; Méndez, Santos; Monrós Andreu, Guillem; Escrivá, A.; Cuadros, José Luis
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Título
Development of Conductivity Sensors for Multi-Phase Flow Local Measurements at the Polytechnic University of Valencia (UPV) and University Jaume I of Castellon (UJI)Autoría
Fecha de publicación
2017Editor
MDPIISSN
1424-8220Cita bibliográfica
Muñoz-Cobo, J.L.; Chiva, S.; Méndez, S.; Monrós, G.; Escrivá, A.; Cuadros, J.L. Development of Conductivity Sensors for Multi-Phase Flow Local Measurements at the Polytechnic University of Valencia (UPV) and University Jaume I of Castellon (UJI). Sensors 2017, 17, 1077.Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
http://www.mdpi.com/1424-8220/17/5/1077Versión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Resumen
This paper describes all the procedures and methods currently used at UPV (Universitat Politécnica de Valencia) and UJI (University Jaume I) for the development and use of sensors for multi-phase flow analysis in ... [+]
This paper describes all the procedures and methods currently used at UPV (Universitat Politécnica de Valencia) and UJI (University Jaume I) for the development and use of sensors for multi-phase flow analysis in vertical pipes. This paper also describes the methods that we use to obtain the values of the two-phase flow magnitudes from the sensor signals and the validation and cross-verification methods developed to check the consistency of the results obtained for these magnitudes with the sensors. First, we provide information about the procedures used to build the multi-sensor conductivity probes and some of the tests performed with different materials to avoid sensor degradation issues. In addition, we provide information about the characteristics of the electric circuits that feed the sensors. Then the data acquisition of the conductivity probe, the signal conditioning and the data processing including the device that have been designed to automatize all the measurement process of moving the sensors inside the channels by means of stepper electric motors controlled by computer are shown in operation. Then, we explain the methods used for bubble identification and categorization. Finally, we describe the methodology used to obtain the two-phase flow information from the sensor signals. This includes the following items: void fraction, gas velocity, Sauter mean diameter and interfacial area concentration. The last part of this paper is devoted to the conductance probes developed for the annular flow analysis, which includes the analysis of the interfacial waves produced in annular flow and that requires a different type of sensor. [-]
Publicado en
Sensors, 2017, vol. 17, núm. 5, p. 1077Proyecto de investigación
The authors are indebted to the support received from MINECO for the project MODEXFLAT ENE2013-48565-C2-1-P and ENE2013-48565-C2-2-P.Derechos de acceso
info:eu-repo/semantics/openAccess
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