Advanced Post-Processing and Correlation Analyses in High-Velocity Air-Water Flows. 1 - Macroscopic Properties

Chanson, Hubert and Carosi, Giovanna (2006). Advanced Post-Processing and Correlation Analyses in High-Velocity Air-Water Flows. 1 - Macroscopic Properties. In: Matos, Jorge and Chanson, Hubert International Junior Researcher and Engineer Workshop on Hydraulic Structures (IJREWHS'06), Montemor-o-Novo, Portugal, (139-148). 2-4 September 2006.

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Author Chanson, Hubert
Carosi, Giovanna
Title of paper Advanced Post-Processing and Correlation Analyses in High-Velocity Air-Water Flows. 1 - Macroscopic Properties
Conference name International Junior Researcher and Engineer Workshop on Hydraulic Structures (IJREWHS'06)
Conference location Montemor-o-Novo, Portugal
Conference dates 2-4 September 2006
Place of Publication Brisbane, Australia
Publisher Division of Civil Engineering, The University of Queensland
Publication Year 2006
Sub-type Fully published paper
ISBN 1864998687
Editor Matos, Jorge
Chanson, Hubert
Volume CH61/06
Start page 139
End page 148
Total pages 10
Collection year 2006
Abstract/Summary The interest in air-water flows has not diminished in recent years, but it is accompanied by frequent citations of early, sometimes outdated articles. A basic issue is the inadequate, incomplete interpretation of air-water flow instrumentation by hydraulic engineers and researchers. This two-part article comments on high-velocity air-water flow measurements by means of intrusive phase detection probes. It describes some advanced post-processing techniques that yields expanded information on the air-water turbulent structures. The outcomes demonstrate simple techniques in high-velocity air-water flow analysis. They show also that a research project requires a sound supervision with some generous scholarly input from the supervisor associated with the dedication and energy of the young engineer
Subjects 240000 Physical Sciences
240500 Classical Physics
240502 Fluid Physics
290000 Engineering and Technology
290800 Civil Engineering
290802 Water and Sanitary Engineering
291800 Interdisciplinary Engineering
291801 Fluidization and Fluid Mechanics
291803 Turbulent Flows
291899 Interdisciplinary Engineering not elsewhere classified
299900 Other Engineering and Technology
299904 Engineering/Technology Instrumentation
E1
770400 Coastal and Estuarine Environment
Keyword Signal processing
Phase-detection probes
High-velocity air-water flows
Hydraulic structures
References Cain, P., and Wood, I.R. (1981a). "Instrumentation for Aerated Flow on Spillways." Jl of Hyd. Div., ASCE, Vol. 107, HY11, Nov., pp. 1407-1424. Cain, P., and Wood, I.R. (1981b). "Measurements of Self-aerated Flow on a Spillway." Jl. Hyd. Div., ASCE, 107, HY11, pp. 1425-1444. Carosi, G., and Chanson, H. (2006). "Air-Water Time and Length Scales in Skimming Flows on a Stepped Spillway. Application to the Spray Characterisation." Report No. CH59/06, Div. of Civil Engineering, The University of Queensland, Brisbane, Australia, July, 142 pages. Chang, K.A., Lim, H.J., and Su, C.B. (2003). "Fiber Optic Reflectometer for Velocity and Fraction Ratio Measurements in Multiphase Flows." Rev. Scientific Inst., Vol. 74, No. 7, pp. 3559-3565. Discussion : 2004, Vol. 75, No. 1, pp. 284-286. Chanson, H. (1997). "Air Bubble Entrainment in Free-Surface Turbulent Shear Flows." Academic Press, London, UK, 401 pages. Chanson, H. (2002). "Air-Water Flow Measurements with Intrusive Phase-Detection Probes. Can we Improve their Interpretation ?" Jl of Hyd. Engrg., ASCE, Vol. 128, No. 3, pp. 252-255. Chanson, H. (2004). "Air-Water Flows in Water Engineering and Hydraulic Structures. Basic Processes and Metrology." Proc. Intl Conf. on Hydraulics of Dams and River Structures, Tehran, Iran, Invited Keynote lecture, Balkema Publ., The Netherlands, F. Yazdandoost and J. Attari Ed., pp. 3-16. Chanson, H. (2006). "Air Bubble Entrainment in Hydraulic Jumps. Similitude and Scale Effects." Report No. CH57/05, Dept. of Civil Engineering, The University of Queensland, Brisbane, Australia, Jan., 119 pages. Chanson, H., and Toombes, L. (2002). "Experimental Study of Gas-Liquid Interfacial Properties in a Stepped Cascade Flow." Environmental Fluid Mechanics, Vol. 2, No. 3, pp. 241-263. Chanson, H., and Toombes, L. (2003). "Strong Interactions between Free-Surface Aeration and Turbulence in an Open Channel Flow." Experimental Thermal and Fluid Science, Vol. 27, No. 5, pp. 525-535. Gonzalez, C.A. (2005). "An Experimental Study of Free-Surface Aeration on Embankment Stepped Chutes." Ph.D. thesis, Department of Civil Engineering, The University of Queensland, Brisbane, Australia, 240 pages. Hayes, M.H. (1996). "Statistical, Digital Signal Processing and Modeling." John Wiley, New York, USA. Herringe, R.A., and Davis, M.R. (1974). "Detection of Instantaneous Phase Changes in Gas-Liquid Mixtures." Jl. of Physics E: Scientific Instruments, Vol. 7, pp. 807-812. Toombes, L. (2002). "Experimental Study of Air-Water Flow Properties on Low-Gradient Stepped Cascades." Ph.D. thesis, Dept of Civil Engineering, The University of Queensland, Brisbane, Australia.
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status UQ
Additional Notes The ful bibliographic details are : CHANSON, H., and CAROSI, G. (2006). "Advanced Post-Processing and Correlation Analyses in High- Velocity Air-Water Flows. 1- Macroscopic Properties." Proceedings of the International Junior Researcher and Engineer Workshop on Hydraulic Structures (IJREWHS'06), Montemor-o-Novo, Jorge MATOS and Hubert CHANSON Eds., Report CH61/06, Div. of Civil Engineering, The University of Queensland, Brisbane, Australia, Dec., pp 139-148 (ISBN 1864998687).

 
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Created: Thu, 14 Dec 2006, 00:16:19 EST by Professor Hubert Chanson on behalf of School of Engineering