Computational Investigation of Concrete Pipe Flow: Critical Review

Tavangar, Tooran; Hosseinpoor, Masoud; Yahia, Ammar; Khayat, Kamal H.

doi:10.14359/51733124

Cited by 3 publications

(1 citation statement)

References 50 publications

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“…In the region of r ≤ r plug plug flow occurs, while in the region of r plug < r ≤ R − shear flow occurs. Case II is common for the pumping of SCC [34,36,55,56]. Here, the plug radius is given by…”

Section: Hagen-poiseuille Equation For Non-newtonian Pipe Flow: Coaxi...mentioning

confidence: 99%

Pipe Flow of Viscoplastic Fluids and Analytical Predictions of Concrete Pumping Based on the Shear-Stress-Dependent Parabolic Model

Zhaidarbek,

Savitskaya,

Wang

2023

Processes

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This study investigates the Hagen–Poiseuille pipe flow of viscoplastic fluids, focusing on analytical predictions of concrete pumping using the shear-stress-dependent parabolic model, extending analytical studies to a nonlinear rheological model with easily accessible experimental parameters. Research novelty and highlights encompass solving the steady laminar pipe flow for viscoplastic fluids described by the parabolic model, presenting detailed results for the two-fluid parabolic model, and introducing a computational app implementing theoretical findings. The parabolic model outperforms linear models, such as the Bingham model, in accuracy by accounting for the nonlinearity in the flow curves (i.e., shear stress and shear rate relations) of pumped concrete. The influence of rheological parameters on these relations is analyzed, and their versatility is demonstrated by a Wolfram Mathematica-based application program. The analytical approach developed in this work is adaptable for other models with shear stress as the independent variable, offering valuable insights into viscoplastic fluid flows.

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Section: Hagen-poiseuille Equation For Non-newtonian Pipe Flow: Coaxi...mentioning

confidence: 99%

Pipe Flow of Viscoplastic Fluids and Analytical Predictions of Concrete Pumping Based on the Shear-Stress-Dependent Parabolic Model

Zhaidarbek,

Savitskaya,

Wang

2023

Processes

View full text Add to dashboard Cite

show abstract

Concrete Pumpability Assessment with Rheology-based Analytical Model

Liu,

Zhan

2024

KSCE J Civ Eng

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Pipe Flow of Viscoplastic Fluids and Analytical Predictions of Concrete Pumping Based on the Shear-stress-dependent Parabolic Model

Zhaidarbek,

Savitskaya,

Wang

2023

Preprint

View full text Add to dashboard Cite

This study investigates the Hagen–Poiseuille pipe flow of viscoplastic fluids, focusing on analytical predictions of concrete pumping using the shear-stress-dependent parabolic model. Research highlights encompass solving the steady laminar pipe flow for viscoplastic fluids described by the parabolic model, extending analytical studies to a nonlinear rheological model with easily accessible experimental parameters, presenting detailed results for the two-fluid parabolic model, and introducing computational apps implementing theoretical findings. The parabolic model outperforms linear models, such as the Bingham model, in accuracy by accounting for the nonlinearity in the shear stress and shear rate relations. The influence of rheological parameters on these relations is analyzed, and their versatility is demonstrated by a Wolfram Mathematica-based application program. This approach is adaptable for other models with shear stress as the independent variable, offering valuable insights into viscoplastic fluid flows.

show abstract

Computational Investigation of Concrete Pipe Flow: Critical Review

Cited by 3 publications

References 50 publications

Pipe Flow of Viscoplastic Fluids and Analytical Predictions of Concrete Pumping Based on the Shear-Stress-Dependent Parabolic Model

Pipe Flow of Viscoplastic Fluids and Analytical Predictions of Concrete Pumping Based on the Shear-Stress-Dependent Parabolic Model

Concrete Pumpability Assessment with Rheology-based Analytical Model

Pipe Flow of Viscoplastic Fluids and Analytical Predictions of Concrete Pumping Based on the Shear-stress-dependent Parabolic Model

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