CFD Validation of Solid-Liquid Two-Phase flow for Analysis of Drilling Fluid Flow Characteristics

Choi, Yong-Seok; Jae-Hyoun, Park; Bae, Jae-Hwan; Lee, Bong-Hee; Kim, Jeong‐Hwan

doi:10.7837/kosomes.2018.24.5.611

J. Korean Soc. Mar. Environ. Saf.

2018

DOI: 10.7837/kosomes.2018.24.5.611

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CFD Validation of Solid-Liquid Two-Phase flow for Analysis of Drilling Fluid Flow Characteristics

Yong-Seok Choi¹,

Park Jae-Hyoun²,

Jae-Hwan Bae³

et al.

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2024

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Cited by 2 publications

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Effect of variable conditions on transient flow in a solid–liquid two-phase centrifugal pump

Dong,

Li,

et al. 2024

Physics of Fluids

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To investigate the influence of altering operational parameters on the transient flow characteristics within the flow channel of a solid–liquid two-phase centrifugal pump, this study employs a particle model based on the Euler–Euler method. Utilizing the standard k–e model, flow field simulations are conducted using the ANSYS-CFX software. Specifically, the study focuses on throttle regulation scenarios, monitoring and comparing the external and internal flow parameters of the solid–liquid two-phase pump with those of a clear water medium centrifugal pump. The results indicate notable modifications in head, efficiency, and shaft power due to the presence of solid particles in the two-phase flow. Decreasing flow rates during throttle regulation lead to fluctuations in pressure and turbulence energy distribution. Furthermore, under identical operational conditions, the variable working conditions of the solid–liquid pump result in increased flow rates of solid-phase particles near the impeller's outer edge, with particles shifting toward the middle and tail of the vane suction surface. This phenomenon exacerbates wear on the vane tail of the suction surface. Moreover, the study identifies that changing operational conditions in the solid–liquid dual-flow centrifugal pump contribute to increased axial forces, consequently leading to pump vibrations. Overall, this research elucidates the transient flow characteristics within the flow channel of solid–liquid two-phase centrifugal pumps under varied operational conditions, serving as a foundational reference for assessing the stability of such pumps.

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Effect of variable conditions on transient flow in a solid–liquid two-phase centrifugal pump

Dong,

Li,

et al. 2024

Physics of Fluids

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Shipboard Verification Test of Onboard Carbon Dioxide Capture System(OCCS) Using Sodium Hydroxide(NaOH) Solution

Lee,

Roh,

Lee

et al. 2024

SNAK

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CFD Validation of Solid-Liquid Two-Phase flow for Analysis of Drilling Fluid Flow Characteristics

Cited by 2 publications

References 9 publications

Effect of variable conditions on transient flow in a solid–liquid two-phase centrifugal pump

Effect of variable conditions on transient flow in a solid–liquid two-phase centrifugal pump

Shipboard Verification Test of Onboard Carbon Dioxide Capture System(OCCS) Using Sodium Hydroxide(NaOH) Solution

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