Experimental study on energy saving and friction reduction of Al2O3-WBM nanofluids in a high-speed Taylor-Couette flow system

Masoud Rashidi; Ahmad Sedaghat; Biltayib Misbah; Mohammad Sabati; Koshy Vaidyan

doi:10.1016/j.triboint.2020.106728

Experimental study on energy saving and friction reduction of Al₂O₃-WBM nanofluids in a high-speed Taylor-Couette flow system

Masoud Rashidi, Ahmad Sedaghat, Biltayib Misbah, Mohammad Sabati, Koshy Vaidyan

Australian University - Kuwait

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

In this work, a high-speed Taylor-Couette system (TCS) was developed for studying drilling fluids at rotational speeds from 0 to 1600 RPM. Water-based mud (WBM) drilling fluid is investigated here by adding Al₂O₃ nanoparticles at four low volume concentrations percentage of 0.05, 0.1, 0.5 and 1. Five rheology models including Newtonian, Power law, Bingham, Herschel-Bulkley (HB) and Herschel-Bulkley-Extended (HBE) were optimized to fit with the measured data. For Al₂O₃ nanofluids especially at lower volume concentrations, considerable power saving is observed. Results indicate that Bingham and HBE models fit precisely Al₂O₃ nanofluids data. Darcy friction factor is deviated from laminar flow at the generalized Reynolds number larger than 2000 for the preferred models. Negative deviation from laminar friction factor was observed.

Original language	English
Article number	106728
Journal	Tribology International
Volume	154
DOIs	https://doi.org/10.1016/j.triboint.2020.106728
State	Published - Feb 2021

Keywords

Darcy friction
Drilling fluid
Nanofluid
Taylor-Couette system

Funding Agency

Kuwait Foundation for the Advancement of Sciences

Access to Document

10.1016/j.triboint.2020.106728

Cite this

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title = "Experimental study on energy saving and friction reduction of Al2O3-WBM nanofluids in a high-speed Taylor-Couette flow system",

abstract = "In this work, a high-speed Taylor-Couette system (TCS) was developed for studying drilling fluids at rotational speeds from 0 to 1600 RPM. Water-based mud (WBM) drilling fluid is investigated here by adding Al2O3 nanoparticles at four low volume concentrations percentage of 0.05, 0.1, 0.5 and 1. Five rheology models including Newtonian, Power law, Bingham, Herschel-Bulkley (HB) and Herschel-Bulkley-Extended (HBE) were optimized to fit with the measured data. For Al2O3 nanofluids especially at lower volume concentrations, considerable power saving is observed. Results indicate that Bingham and HBE models fit precisely Al2O3 nanofluids data. Darcy friction factor is deviated from laminar flow at the generalized Reynolds number larger than 2000 for the preferred models. Negative deviation from laminar friction factor was observed.",

keywords = "Darcy friction, Drilling fluid, Nanofluid, Taylor-Couette system",

author = "Masoud Rashidi and Ahmad Sedaghat and Biltayib Misbah and Mohammad Sabati and Koshy Vaidyan",

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T1 - Experimental study on energy saving and friction reduction of Al2O3-WBM nanofluids in a high-speed Taylor-Couette flow system

AU - Rashidi, Masoud

AU - Sedaghat, Ahmad

AU - Misbah, Biltayib

AU - Sabati, Mohammad

AU - Vaidyan, Koshy

PY - 2021/2

Y1 - 2021/2

N2 - In this work, a high-speed Taylor-Couette system (TCS) was developed for studying drilling fluids at rotational speeds from 0 to 1600 RPM. Water-based mud (WBM) drilling fluid is investigated here by adding Al2O3 nanoparticles at four low volume concentrations percentage of 0.05, 0.1, 0.5 and 1. Five rheology models including Newtonian, Power law, Bingham, Herschel-Bulkley (HB) and Herschel-Bulkley-Extended (HBE) were optimized to fit with the measured data. For Al2O3 nanofluids especially at lower volume concentrations, considerable power saving is observed. Results indicate that Bingham and HBE models fit precisely Al2O3 nanofluids data. Darcy friction factor is deviated from laminar flow at the generalized Reynolds number larger than 2000 for the preferred models. Negative deviation from laminar friction factor was observed.

AB - In this work, a high-speed Taylor-Couette system (TCS) was developed for studying drilling fluids at rotational speeds from 0 to 1600 RPM. Water-based mud (WBM) drilling fluid is investigated here by adding Al2O3 nanoparticles at four low volume concentrations percentage of 0.05, 0.1, 0.5 and 1. Five rheology models including Newtonian, Power law, Bingham, Herschel-Bulkley (HB) and Herschel-Bulkley-Extended (HBE) were optimized to fit with the measured data. For Al2O3 nanofluids especially at lower volume concentrations, considerable power saving is observed. Results indicate that Bingham and HBE models fit precisely Al2O3 nanofluids data. Darcy friction factor is deviated from laminar flow at the generalized Reynolds number larger than 2000 for the preferred models. Negative deviation from laminar friction factor was observed.

KW - Darcy friction

KW - Drilling fluid

KW - Nanofluid

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