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Heat Exchanger Fouling and Cleaning: Fundamentals and Applications
May 18-22, 2003 - Santa Fe, New Mexico, USA
| Editors: |
Paul Watkinson, University of British Columbia, Canada
Hans Müller-Steinhagen, German Aerospace Centre (DLR) and University of Stuttgart
M. Reza Malayeri, German Aerospace Centre (DLR) |
The articles for these proceedings are peer-reviewed.
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Understanding and Quantifying Cleaning Processes Using Fluid Dynamic Gauging
J. Y. M. Chew, University of Cambridge
S. S. S. Cardoso, University of Cambridge
W. R. Paterson, University of Cambridge
D. I. Wilson, University of Cambridge
ABSTRACT:
Computational fluid dynamics (CFD) has been used to analyse the flow patterns generated by the fluid dynamic gauging (FDG) technique in order to allow that technology to give simultaneous measurements of fouling layer thickness and incipient strength (via breakage). Stress field predictions were generated by solving the governing Navier-Stokes equations for these quasi-laminar flows using the numerical solver FastflowTM and validated by comparison with experimental hydrostatic pressure data. Enhanced FDG was used to study the removal of a tomato paste soil, which had been characterised by Liu et al. (2002) using a micro-manipulation technique. Deposit strength measurements gave clear indication of increases on ageing via baking and are compared with those reported by Liu et al.
J. Y. M. Chew, S. S. S. Cardoso, W. R. Paterson, and D. I. Wilson, "Understanding and Quantifying Cleaning Processes Using Fluid Dynamic Gauging" in "Heat Exchanger Fouling and Cleaning: Fundamentals and Applications", Paul Watkinson, Hans Müller-Steinhagen, and M. Reza Malayeri Eds, ECI
Symposium Series, Volume RP1 (2003). http://services.bepress.com/eci/heatexchanger/41
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