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Indro Pranoto
Department of Mechanical & Industrial Engineering, Faculty of Engineering, Universitas Gadjah Mada
Computer Science & IT Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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CFD Study on the Influence of Liquid Viscosity on the Swirling Gas-Liquid Flow Ryan Anugrah Putra; Habib Luthfi Ash Shiddiqie; Indro Pranoto
Jurnal Inotera Vol. 7 No. 2 (2022): July-December 2022
Publisher : LPPM Politeknik Aceh Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31572/inotera.Vol7.Iss2.2022.ID194

Abstract

Swirling two-phase flow is important in industrial mixing and separation systems. In this work, the effect of liquid viscosity was investigated numerically using the Euler-Euler Computational Fluid Dynamics (CFD) model where the liquid and the gas acted as the continuous and dispersed phases, respectively. CFD simulations were performed to model the gas-liquid flow inside a horizontal pipe equipped with a static mixer element with liquid viscosities of 1, 5, 10, and 50 cP. The gas volume fraction contours in the central axial plane show that the evolution of gas distribution is strongly influenced by the liquid viscosity, especially in the region downstream of the element. The calculated results show that the higher the viscosity, the shorter the gas core downstream of the element. Gas separation after the element occurs over a shorter distance with higher liquid viscosity. A possible explanation is that the swirling flow decays faster at higher liquid viscosities, and the buoyancy force dominates over the centrifugal force.
Co-Authors Habib Luthfi Ash Shiddiqie Ryan Anugrah Putra