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ADDITIONAL TECHNICAL PAPERS

The Design of a New Flow Meter for Pipes Based on the Drag Force Exerted on a Cylinder in Cross Flow (Drag Force Flow Meter: DFFM)

[+] Author and Article Information
C. Ruppel, T. Funke, F. Peters

Fluid Mechanics, Ruhr-University Bochum, 44780 Bochum, Germany

J. Fluids Eng 126(4), 658-664 (Sep 10, 2004) (7 pages) doi:10.1115/1.1779665 History: Received June 03, 2003; Revised February 17, 2004; Online September 10, 2004
Copyright © 2004 by ASME
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References

Baker, R. C., 2000, “Flow Measurement Handbook,” Cambridge University Press.
Wildemann,  C., Merzkirch,  W., and Gersten,  K., 2002, “A Universal, Nonintrusive Method for Correcting the Reading of a Flow Meter in Pipe Flow Disturbed by Installation Effects,” J. Fluids Eng., 124, pp. 650–656.
Ruppel,  C., and Peters,  F., 2001, “Messung des Massenstroms in Rohrleitungen durch die Widerstandskraft eines quer angeströmten Zylinders (DFFM-Methode),” tm-Technisches Messen,68, pp. 465–472.
Schlichting, H., 1960, “Boundary Layer Theory,” 4th ed. McGraw–Hill New York.
Wieselsberger,  C., 1921, “Neuere Feststellungen über die Gesetze des Flüssigkeits- und Luftwiderstandes,” Physikalische Zeitschrift,22, pp. 321–328.
Wieselsberger,  C., 1922, “Weitere Feststellungen über die Gesetze des Flüssigkeits- und Luftwiderstandes,” Physikalische Zeitschrift,23, pp. 219–224.
Gersten, K., and Herwig, H., 1992, “Strömungsmechanik,” Vieweg-Verlag Wiesbaden.
Wildemann, C., 2000, “Ein System zur Automatischen Korrektur der Messabweichungen von Durchflussmessgeräten bei gestörter Anströmung,” Dissertation, Universität Essen.
Hilgenstock,  A., and Ernst,  R., 1996, “Analysis of Installation Effects by Means of Computational Fluid Dynamics-CFD vs Experiments?” Flow Meas. Instrum., 7, pp. 161–171.
Schlüter,  Th., and Merzkirch,  W., 1996, “PIV Measurements of the Time-Averaged Flow Velocity Downstream of Flow Conditioners in a Pipeline,” Flow Meas. Instrum., 7, pp. 173–179.

Figures

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Drag coefficient of a cylinder as function of Reynolds number from Wieselsberger 56
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Working principle of the Drag Force Flow Meter (DFFM)
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FEM-designed load cell with (bottom) and without load (top)
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Calibration set-up indicating installation range
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The investigated installations
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Relative deviation of the mass flux measured by the DFFM versus the reference mass flux for the installations of Fig. 6

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