Computational fluid dynamics calibration of Tattersall MK-II type rheometer for concrete

H. D. Le, G. De Schutter, E. H. Kadri, S. Aggoun, J. Vierendeels, S. Tichko, Peter A Troch

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Currently more and more researches have been performing concerning the numerical simulation of the behavior of fresh concrete during pumping or formwork filling. Adequate implementation of the rheology properties of fresh concrete is a determinant key to obtain realistic simulations. However, in many cases, the rheological parameters of the fresh concrete as determined by rheometers are not sufficiently accurate. The common principle of all the rheometers is not to measure directly the rheological parameters of concrete but to measure some basic physical parameters (torque, velocity, pressure,...) that that in some cases allow the calculation of the rheological parameter in terms of fundamental physical quantities. Errors can be caused by undesired flow phenomena which are not taken into the prediction formulas and by the inaccurate prediction formulas themselves. This is directly related to the poor calibration of the rheometer that cannot cover all ranges of materials. This paper investigates the calibration of the Tattersall MK-II rheometer by performing the numerical simulation for a tremendous range of concrete flowing in the rheometer, using computational fluid dynamics (CFD). This allows to quickly and accurately obtain the rheological properties of fresh concrete, which can then be used consistently for further flow simulations. This method can be applied for all types of rheometer.

Original languageEnglish (US)
Article number34741
JournalApplied Rheology
Volume23
Issue number3
DOIs
StatePublished - 2013
Externally publishedYes

Fingerprint

rheometers
Rheometers
computational fluid dynamics
Computational fluid dynamics
Calibration
Concretes
simulation
Flow simulation
Computer simulation
predictions
Rheology
rheology
determinants
torque
pumping
Torque

Keywords

  • Bingham
  • Calibration
  • CFD
  • Fluent
  • Herschel-Bulkley
  • Rheometer
  • Shear flow

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Materials Science(all)

Cite this

Le, H. D., De Schutter, G., Kadri, E. H., Aggoun, S., Vierendeels, J., Tichko, S., & Troch, P. A. (2013). Computational fluid dynamics calibration of Tattersall MK-II type rheometer for concrete. Applied Rheology, 23(3), [34741]. https://doi.org/10.3933/ApplRheol-23-34741

Computational fluid dynamics calibration of Tattersall MK-II type rheometer for concrete. / Le, H. D.; De Schutter, G.; Kadri, E. H.; Aggoun, S.; Vierendeels, J.; Tichko, S.; Troch, Peter A.

In: Applied Rheology, Vol. 23, No. 3, 34741, 2013.

Research output: Contribution to journalArticle

Le, HD, De Schutter, G, Kadri, EH, Aggoun, S, Vierendeels, J, Tichko, S & Troch, PA 2013, 'Computational fluid dynamics calibration of Tattersall MK-II type rheometer for concrete', Applied Rheology, vol. 23, no. 3, 34741. https://doi.org/10.3933/ApplRheol-23-34741
Le, H. D. ; De Schutter, G. ; Kadri, E. H. ; Aggoun, S. ; Vierendeels, J. ; Tichko, S. ; Troch, Peter A. / Computational fluid dynamics calibration of Tattersall MK-II type rheometer for concrete. In: Applied Rheology. 2013 ; Vol. 23, No. 3.
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