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Editorial Cuvillier

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Editorial Cuvillier

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 Investigation and Modelling of Vortex Development and Gas Entrainment in Pump Intakes under Critical Inflow Conditions

Impresion
EUR 49,90

E-Book
EUR 34,90

Investigation and Modelling of Vortex Development and Gas Entrainment in Pump Intakes under Critical Inflow Conditions (Volumen 6) (Tienda española)

Nicolai Sebastian Szeliga (Autor)

Previo

Indice, PDF (550 KB)
Lectura de prueba, PDF (1,3 MB)

ISBN-13 (Impresion) 9783736971899
ISBN-13 (E-Book) 9783736961890
Idioma Inglés
Numero de paginas 126
Laminacion de la cubierta mate
Edicion 1.
Serie Berichte aus dem Institut für Mehrphasenströmungen
Volumen 6
Lugar de publicacion Göttingen
Lugar de la disertacion Hamburg-Harburg
Fecha de publicacion 23.03.2020
Clasificacion simple Tesis doctoral
Area Mecánica de medida
Ingeniería de seguridad
Ingeniería mecánica y de proceso
Energía nuclear y tecnología de reactor
Palabras claves Wirbelbildung, Freier Oberflächenwirbel, Gasmitriss, Pumpeneinlauf, Wirbelbrecher, experimentell, großskalig, Modellierung, Zirkulation, Gashohlwirbel, Skalierung, Überdeckungshöhe, Einlaufgeometrien, Particle Image, Velocimetry, Burgers-Rott model, nukleare Sicherheit, Azimuthalgeschwindigkeit, Tangentialgeschwindigkeit, Gaskernlänge, kritische Einlaufbedingungen, Einlaufwinkel, Froude-Zahl, Wirbelverhinderung, eingebrachtes Moment, Validierung, Korrelationen, vortex development, free-surface vortex, gas-entrainment, pump intake, vortex breaker, experimental, large-scale, modeling, circulation, gas-core vortex, scaling, submergence depth, intake geometries, nuclear safety, azimuthal velocity, tangential velocity, gas-core length, critical inflow conditions, inflow angle, Froude number, vortex prevention, induced momentum, validation, correlations
Descripcion

The occurrence of gas-entraining vortices in pump inlets of cooling water circuits poses a great threat for the reliable operation of power plants, water turbines and chemical reactors, due to the unpredictable operating behavior caused by gas accumulation in pumps and valves and due to long-term damage caused by cavitation. Since the formation and resulting strength of gas-core vortices depends in large parts on the circulation, caused by the pump intake geometry and on parameters of different scalability, the prediction of vortex development remains challenging for industrial scales. Therefore, the focus of this thesis is on the experimental investigation of induced circulation on the vortex formation in a large scale research setup under critical inflow conditions. For this purpose, vortex formation has been studied for varying circulations, submergence depths and intake geometries within a 50 m³ experimental vessel at the Hamburg University of Technology.