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Rubens Rosario Fernandes


Rubens R. Fernandes graduated in Mechanical Engineering at the Federal University of Technology - Parana (Curitiba - Brazil, 2014), and holds a master's degree in mechanical engineering from the same university (2016) . He joined the Paste, Particle and Polymer Processing group (P4G) in 2017, to start his PhD on cleaning of viscoplastic soil layers using impinging water jets under the supervision of Prof. Ian Wilson and Dr. Bart Hallmark.

Rubens has experience in the rheology of yield stress materials, having worked as a research assistant (2010-2016) and research engineer (2016-2017) at the Research Center for Rheology and Non-Newtonian Fluids (Curitiba, Brazil). 



Research Interests

Rheology, rheometry, industrial cleaning, non-Newtonian fluid mechanics.

Paste, Particle and Polymer Processing group


Research Supervision

Prof. Ian Wilson

Dr. Bart Hallmark

Other Professional Activities


  • 2018 - John A Brodie Medal - best paper in the discipline of chemical engineering presented at the Chemeca Conference, The Chemical College Board of Engineers Australia.
  • 2015 - South American/Caribbean Region SPE Student Paper Contest - Undergraduate Division - Second Place Winner, Society of Petroleum Engineers.
  • 2015 - Student Paper Contest - Undergraduate Division - Second Place Winner, VI Brazilian Conference on Oil and Gas Hydraulics.

Key Publications

  • Fernandes, R.R., Turezo, G., Elias da Vinha Andrade, D., Franco, A.T., Ribeiro Negrão, C.O., 2019. Are the rheological properties of water-based and synthetic drilling fluids obtained by the Fann 35A viscometer reliable? J. Pet. Sci. Eng. 177, 872–879.
  • Oevermann, D., Bhagat, R. K., Fernandes, R. R., & Wilson, D. I. (2019). Quantitative modelling of the erosive removal of a thin soil deposit by impinging liquid jets. Wear, 422423, 27–34.
  • Stafussa, A. P. ; Maciel, G. M. ; Rampazzo, v. ; Fernandes, R. R. ; Franco, A. T. ; Bona, e. ; Haminiuk, C. W. I. (2018). Multi-block analysis using ComDim for the correlation of physico-chemical and rheological data of 42 fruit pulps. Journal of Texture Studies1-10 . DOI: 10.1111/jtxs.12373
  • Fernandes, R. R.; Andrade, D. E. V. ; Franco, A. T. ; Negrao, C. O. R. . The yielding and the linear-to-nonlinear viscoelastic transition of an elastoviscoplastic material. Journal of Rheology, v. 61, p. 893-903, 2017. DOI: 10.1122/1.4991803
  • Fernandes, R. R.; Andrade, D. E. V. ; Franco, A. T. ; Negrao, C. O. R. . Influence of pre-shearing on rheometric measurements of an oil-based drilling fluid. Rheologica Acta, v. 56, p. 743-752, 2017. DOI: 10.1007/s00397-017-1027-y
  • Fernandes, R. R.; Andrade, D. E. V. ; Franco, A. T. ; Negrao, C. O. R. . Correlation Between The Gel-Liquid Transition Stress And The Storage Modulus Of An Oil-Based Drilling Fluid. Journal of Non-Newtonian Fluid Mechanics, p. 6-10, 2016. DOI: 10.1016/j.jnnfm.2016.02.003
  • Andrade, D. E. V. ; Fernandes, R. R. ; Santos, T. G. M. ; Ceccon, E. V. ; Cruz, A. C. B. ; Franco, A. T. ; Negrao, C. O. R. . Curve-fitting equation for prediction of the start-up stress overshoot of an oil-based drilling fluid. Journal of Petroleum Science & Engineering, v. 146, p. 902-908, 2016. DOI: 10.1016/j.petrol.2016.07.037


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