Measurement Techniques for Steady and Transient Multiphase Flows

Wissenschaftlich-Technische Berichte; Forschungszentrum Rossendorf

FZR-???

- in preparation -

ISSN 1437-322X

Rossendorf, September 18 - 20, 2002

Editor: H.-M. Prasser

Proceedings

CONTENT

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page

Preface

1

A. Tomiyama (Kobe University, Japan): Single bubbles in stagnant liquids and in linear shear flows

3

D. Lucas (Forschungszentrum Rossendorf, Germany): Transient flowmaps for vertical pipe flow

20

S. Luther, J. Rensen, D. Lohse (University of Twente, The Netherlands): Time series analysis of turbulent bubbly flow

24

H. Auracher, W. Marquardt (TU Berlin, Germany): Micro-sensors for boiling heat transfer studies

25

R. J. Belt, R. F. Mudde, T. H. J. J. Van Der Hagen (TU Delft, The Netherlands): Effects of a flow obstacle on liquid film thickness in relation with CHF enhancement

27

D. Bröder, M. Sommerfeld (Martin-Luther-Universität Halle-Wittenberg, Germany): An optical method for studies on bubble behaviour in turbulent flows

28

A. Grahn (Forschungszentrum Rossendorf, Germany): Flow instabilities at liquid-liquid interfaces – experimental validation of direct numerical simulations using synthetic shadowgrams

39

M. Misawa, I. Tiseanu, H.-M. Prasser, N. Ichikawa, M. Akai (AIST, Tsukuba, Japan): Ultra-fast x-ray tomography for multi-phase flow interface dynamic studies

40

H.-M. Prasser, D. Baldauf, J. Fietz, U. Hampel, D. Hoppe, C, Zippe, J. Zschau, M. Christen, G. Will (Forschungszentrum Rossendorf, Germany): Gamma-tomography of the gas fraction distribution inside an axial pump delivering two-phase mixture

42

A. Dudlik, S .B .H . Schönfeld, O. Hagemann, H. Fahlenkamp (Fraunhofer UMSICHT, Oberhausen, Germany): Water Hammer and Cavitational Hammer in Process Plant Pipe Systems

43

V.P. Drobkov, V.I. Melnikov, L.K. Stoppel (TU Nishny Novgorod, Russian Federation): Flow rate measurement of liquid and gas fractions in oil-water-gas flow by acoustic sensors

44

T. Gocht, A. Traichel, R. Hampel, H.-M. Prasser (Hochschule Zittau/Goerlitz (FH), IPM, Germany): Innovative methods for level measurement in pressure vessels

62

W. Wangjiraniran, Y. Motegi, H. Kikura, M. Aritomi, S. Richter, K. Yamamoto (Tokyo Institute of Technology, Japan): Intrusive effect on gas liquid flow measurement by wire mesh tomography

63

WV.I. Melnikov, V.N. Khokhlov, V.V. Ivanov, V.V. Kontelev, V.R. Zoi, A.A. Savinov (TU Nishny Novgorod, Russian Federation): First experiments visualization two-phase high pressure and temperature flows by ultrasonic mesh sensor

81

A. Schaffrath, H. Carl, A.-K. Krüssenberg, H.-M. Prasser, F.-P. Weiss (Forschungszentrum Rossendorf, Germany): TOPFLOW - a new multipurpose test facility for the study of transient two-phase phenomena

82

J. Rensen, S. Guet and S. Luther (University Twente, The Netherlands): Aspect ratio estimate using four-point fiber-optical probe

84

V. P. Drobkov (TU Nishny Novgorod, Russian Federation): On phases volume flows evaluations in upward gas liquid flow

85

M. Goldbrunner, J. Karl, D. Hein (TU Munich, Germany): Concentration and Temperature Measurements by means of Raman Spectroscopy in Case of condensation with non-condensable gas

96

H.-M. Prasser, A. Böttger, J. Zschau, T. Gocht (Forschungszentrum Rossendorf, Germany): Needle shaped conductivity probes with integrated micro-thermocouple and their application in rapid condensation experiments with non-condensible gases

98

Programme of the workshop

99

 
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