Oil displacement in capillary tubes using viscoelastic fluids-Reference-Cited by-同舟云学术

Oil displacement in capillary tubes using viscoelastic fluids

Published:2023-12-02 Issue:4 Volume:15 Page:221-228
ISSN:2247-4528
Container-title:INCAS BULLETIN
language:en
Short-container-title:INCAS BULLETIN

Author:

RASUCEANU Ioana¹,PATRASCU Claudiu²,BALAN Corneliu²

Affiliation:

1. Hydraulics Department, National University of Science and Technology POLITEHNICA Bucharest, Splaiul Independentei 313, Bucharest 060042, Romania, ioana.rasuceanu@upb.ro

2. Hydraulics Department, National University of Science and Technology POLITEHNICA Bucharest, Splaiul Independentei 313, Bucharest 060042, Romania

Abstract

Capillary invasion of liquid is a spontaneous phenomenon that occurs at length scales smaller than the capillary length. By means of capillary action, numerous applications have been developed. We investigate the time-dependent displacement of a Newtonian oil using viscoelastic polyethylene oxide solutions. The setup implies a capillary tube in a horizontal configuration that was partially prefilled with oil. We emphasize the prefilling liquid’s role in the dynamics of the system and show the influence of the displacing liquid’s viscoelastic properties. We find significant changes in the capillary regime as the displacing liquid’s viscoelastic properties change.

Publisher

INCAS - National Institute for Aerospace Research Elie Carafoli

Subject

Aerospace Engineering,Control and Systems Engineering

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