声明
摘要
Abstract
Contents
Chapter 1 Introduction
1．1 Two phase flow
1．1．1 Two Phase Flow in Vertical Pipe
1．1．2 Two Phase Flow in Horizontal Pipe
1．2 Properties of two-phase flow
1．2．1 Void fraction
1．2．2 Importance
1．3 Importance of measuring properties of two-phase flow in industries
1．3．1 In Nudearpower plants
1．3．2 In Oil and Gas industry
1．3．3 In chemical industry
1．3．4 In Mining industry
1．4 Research Objectives and Methodology
Chapter 2 Background of Research
2．1 Non-invasive techniques
2．1．1 Pressure drop
2．1．2 Pressure fluctuation
2．1．3 Dynamic gas disengagement technique(DGD)
2．2 lnvasive techniques
2．2．1 Heat transfer probes
2．2．2 Ultrasound probes
2．2．3 Pitot tubes
2．2．4 Needle probes
2．3 Pressure Drop
2．3．1 Introduction
2．3．2 Pressure Drop Correlations
Chapter 3 Experimental Apparatus
3．1 Design Parameters of Test Facility
3．2 Horizontal Section of L-shaped test facility
3．3 Vertical Section of L-shaped test facility
3．4 Differen tial pressure sensor circuit and program design
3．4．1 Differential pressure senor for vertical section
3．4．2 Absolute pressure senor for vertical section
3．4．3 Differential pressure senor for Horizontal Section
3．5 Signal Processing and Data accusation
Chapter 4 Pressure Sensing Line
4．1 Pressure sensing line in two-phase flow
4．2 Design Considerations for Pressure Sensing line
4．2．1 Pressure sensing line length and diameter
4．2．2 Geometry
4．2．3 Temperature Effects
4．2．4 ISO／CD 2186(2004)installation recommendations
4．2．5 Installation of Pressure Sensing lines in our experimental facility
Chapter 5 Experimental Results and Discussion
5．1 Vertical Section
5．1．1 Absolute pressure Sensor Results
5．1．2 Differential Pressure Sensor
5．2 Horizontal Section
Chapter 6 Conclusion
Bibliography
