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Inverse determination of soil characteristics with a bench-scale centrifuge

Benny Malengier UGent, Pavol Kison UGent, Gemmina Di Emidio UGent, Herman Peiffer UGent and Roger Van Keer UGent (2012) 3rd International Conference on Engineering Optimization, Proceedings. p.1-11
abstract
We utilize a bench-scale centrifuge to speed up the process of porous media in ltration. This allows to obtain measurements in a fraction of the time needed by standard in ltration methods, especially for clayey soils. By measuring only transient data like water level in an inflow or outflow chamber, gravitational center of the sample, or the rotational momentum of the sample, it is possible to determine the soil characteristics. This is done by solving the inverse problem based on the mathematical model for saturated and unsaturated water infi ltration in soil. The model for the unsaturated flow is based on Richards' equation and the Van Genuchten-Mualem formula. We present the experimental set-up, accuracy of the measurements, and the numerical solution method. For saturated flow we compare with standard tests and the classical formula for hydraulic conductivity in a centrifuge from two discrete measurements.
Please use this url to cite or link to this publication:
author
organization
year
type
conference
publication status
published
subject
keyword
Van Genuchten-Mualem ansatz, hydraulic conductivity, inverse problem, soil parameters, centrifuge
in
3rd International Conference on Engineering Optimization, Proceedings
editor
José Herskovits
pages
1 - 11
conference name
3rd International Conference on Engineering Optimization (EngOpt - 2012)
conference location
Rio de Janeiro, Brazil
conference start
2012-07-01
conference end
2012-07-05
ISBN
9788576503446
project
IWT Cenperon 110317
language
English
UGent publication?
yes
classification
C1
copyright statement
I have retained and own the full copyright for this publication
id
3030416
handle
http://hdl.handle.net/1854/LU-3030416
alternative location
http://www.engopt.org/paper/283.pdf
date created
2012-10-17 14:51:30
date last changed
2012-10-19 13:31:16
@inproceedings{3030416,
  abstract     = {We utilize a bench-scale centrifuge to speed up the process of porous media in\unmatched{000c}ltration. This allows to obtain measurements in a fraction of the time needed by standard in\unmatched{000c}ltration methods, especially for clayey soils. By measuring only transient data like water level in an inflow or outflow chamber, gravitational center of the sample, or the rotational momentum of the sample, it is possible to determine the soil characteristics. This is done by solving the inverse problem based on the mathematical model for saturated and unsaturated water infi\unmatched{000c}ltration in soil. The model for the unsaturated flow is based on Richards' equation and the Van Genuchten-Mualem formula. We present the experimental set-up, accuracy of the measurements, and the numerical solution method. For saturated flow we compare with standard tests and the classical formula for hydraulic conductivity in a centrifuge from two discrete measurements.},
  author       = {Malengier, Benny and Kison, Pavol and Di Emidio, Gemmina and Peiffer, Herman and Van Keer, Roger},
  booktitle    = {3rd International Conference on Engineering Optimization, Proceedings},
  editor       = {Herskovits, Jos{\'e}},
  isbn         = {9788576503446},
  keyword      = {Van Genuchten-Mualem ansatz,hydraulic conductivity,inverse problem,soil parameters,centrifuge},
  language     = {eng},
  location     = {Rio de Janeiro, Brazil},
  pages        = {1--11},
  title        = {Inverse determination of soil characteristics with a bench-scale centrifuge},
  url          = {http://www.engopt.org/paper/283.pdf},
  year         = {2012},
}

Chicago
Malengier, Benny, Pavol Kison, Gemmina Di Emidio, Herman Peiffer, and Roger Van Keer. 2012. “Inverse Determination of Soil Characteristics with a Bench-scale Centrifuge.” In 3rd International Conference on Engineering Optimization, Proceedings, ed. José Herskovits, 1–11.
APA
Malengier, B., Kison, P., Di Emidio, G., Peiffer, H., & Van Keer, R. (2012). Inverse determination of soil characteristics with a bench-scale centrifuge. In J. Herskovits (Ed.), 3rd International Conference on Engineering Optimization, Proceedings (pp. 1–11). Presented at the 3rd International Conference on Engineering Optimization (EngOpt - 2012).
Vancouver
1.
Malengier B, Kison P, Di Emidio G, Peiffer H, Van Keer R. Inverse determination of soil characteristics with a bench-scale centrifuge. In: Herskovits J, editor. 3rd International Conference on Engineering Optimization, Proceedings. 2012. p. 1–11.
MLA
Malengier, Benny, Pavol Kison, Gemmina Di Emidio, et al. “Inverse Determination of Soil Characteristics with a Bench-scale Centrifuge.” 3rd International Conference on Engineering Optimization, Proceedings. Ed. José Herskovits. 2012. 1–11. Print.