A NUMERICAL STUDY ON THE EFFECTS OF VISCOELASTIC PROPERTIES OF UPPER CONVECTED MAXWELL FLUID ON IMMISCIBLE SAFFMAN-TAYLOR INSTABILITY

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ABBASI YAZDI ALIE; NOROUZI MAHMOOD

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Journal: Modares Mechanical Engineering Year:2018 | Volume:18 | Issue:3 Page(s): 271-281

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Title

A NUMERICAL STUDY ON THE EFFECTS OF VISCOELASTIC PROPERTIES OF UPPER CONVECTED MAXWELL FLUID ON IMMISCIBLE SAFFMAN-TAYLOR INSTABILITY

Author(s)

ABBASI YAZDI ALIE | NOROUZI MAHMOOD | Issue Writer Certificate

Keywords

SAFFMAN-TAYLOR INSTABILITYQ1

IMMISCIBLE DISPLACEMENTQ1

VISCOUS FINGERINGQ2

VISCOELASTIC FLUIDQ1

UPPER CONVECTED MAXWELL MODELQ1

Abstract

In this paper, SAFFMAN-TAYLOR INSTABILITY of an IMMISCIBLE DISPLACEMENT in a Hell-Shaw cell is studied numerically for the first time. The VOF method is used for two phases flow simulation. VISCOELASTIC FLUID with less viscosity is considered as the displacing fluid and Newtonian fluid with high viscosity is used as the displaced fluid. The upper convected Maxwell constitutive equation is applied to simulate the VISCOELASTIC FLUID. In this research, the effects of dimensionless parameters consisting of the mobility ratio, elasticity number and capillary number are studied and the sweep efficiency diagram is depicted.The results show that, increasing the elasticity number and capillary number, and decreasing the mobility ratio can stabilize the flow. It is also found that, changing these parameters has a significant effect on the phase contours and mechanisms of VISCOUS FINGERING patterns. The results of this numerical study could be helpful for enhanced oil recovery process, especially in polymer flooding technique. As a main consequence, it is concluded that, the elastic properties of displacing VISCOELASTIC FLUID in the presence of capillary forces has a stabilizing effect on the flow instability.

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APA: Copy

ABBASI YAZDI, ALIE, & NOROUZI, MAHMOOD. (2018). A NUMERICAL STUDY ON THE EFFECTS OF VISCOELASTIC PROPERTIES OF UPPER CONVECTED MAXWELL FLUID ON IMMISCIBLE SAFFMAN-TAYLOR INSTABILITY. MODARES MECHANICAL ENGINEERING, 18(3 ), 271-281. SID. https://sid.ir/paper/178982/en

Vancouver: Copy

ABBASI YAZDI ALIE, NOROUZI MAHMOOD. A NUMERICAL STUDY ON THE EFFECTS OF VISCOELASTIC PROPERTIES OF UPPER CONVECTED MAXWELL FLUID ON IMMISCIBLE SAFFMAN-TAYLOR INSTABILITY. MODARES MECHANICAL ENGINEERING[Internet]. 2018;18(3 ):271-281. Available from: https://sid.ir/paper/178982/en

IEEE: Copy

ALIE ABBASI YAZDI, and MAHMOOD NOROUZI, “A NUMERICAL STUDY ON THE EFFECTS OF VISCOELASTIC PROPERTIES OF UPPER CONVECTED MAXWELL FLUID ON IMMISCIBLE SAFFMAN-TAYLOR INSTABILITY,” MODARES MECHANICAL ENGINEERING, vol. 18, no. 3 , pp. 271–281, 2018, [Online]. Available: https://sid.ir/paper/178982/en

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