Standard

Comparative characteristics of viscosity and rheology of nanofluids with multi-walled and single-walled carbon nanotubes. / Rudyak, Valery Ya; Dashapilov, Gennady R.; Minakov, Andrey V. et al.

In: Diamond and Related Materials, Vol. 132, 109616, 02.2023.

Research output: Contribution to journalArticlepeer-review

Harvard

APA

Vancouver

Rudyak VY, Dashapilov GR, Minakov AV, Pryazhnikov MI. Comparative characteristics of viscosity and rheology of nanofluids with multi-walled and single-walled carbon nanotubes. Diamond and Related Materials. 2023 Feb;132:109616. doi: 10.1016/j.diamond.2022.109616

Author

Rudyak, Valery Ya ; Dashapilov, Gennady R. ; Minakov, Andrey V. et al. / Comparative characteristics of viscosity and rheology of nanofluids with multi-walled and single-walled carbon nanotubes. In: Diamond and Related Materials. 2023 ; Vol. 132.

BibTeX

@article{d922697b26a54324bf4951013fb951ae,
title = "Comparative characteristics of viscosity and rheology of nanofluids with multi-walled and single-walled carbon nanotubes",
abstract = "The purpose of this paper is to study the viscosity and rheology of nanofluids with single-walled (SWCNT) and multi-walled (MWCNT) carbon nanotubes, and compare the obtained data. In total, a series of different nanofluids have been studied. The same base fluids were used in all experiments; the range of weight concentrations of carbon nanotubes (CNTs) and surfactants (if used) was also the same. In total, about two dozen of different nanofluids have been studied. The weight concentrations of CNTs ranged from 0.05 to 1 %. It is shown that with the same weight concentration of CNTs, nanofluids with SWCNTs have a significantly higher viscosity than nanofluids with MWCNTs. In most cases, the studied nanofluids were pseudo- or viscoplastic, although all the base fluids were Newtonian. Correlations describing the rheology of all studied nanofluids are given. It is shown that the viscosity of the nanofluids increases with a decrease in the average hydrodynamic size of nanotubes. The microrheology of these nanofluids has been studied and the dependence of their elastic modulus on the concentration of CNTs has been determined.",
keywords = "Carbon nanotubes, Microrheology, Nanofluids, Rheology, Viscosity",
author = "Rudyak, {Valery Ya} and Dashapilov, {Gennady R.} and Minakov, {Andrey V.} and Pryazhnikov, {Maxim I.}",
note = "This paper was supported by the Russian Science Foundation (Grant No. 20-19-00043 ).",
year = "2023",
month = feb,
doi = "10.1016/j.diamond.2022.109616",
language = "English",
volume = "132",
journal = "Diamond and Related Materials",
issn = "0925-9635",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Comparative characteristics of viscosity and rheology of nanofluids with multi-walled and single-walled carbon nanotubes

AU - Rudyak, Valery Ya

AU - Dashapilov, Gennady R.

AU - Minakov, Andrey V.

AU - Pryazhnikov, Maxim I.

N1 - This paper was supported by the Russian Science Foundation (Grant No. 20-19-00043 ).

PY - 2023/2

Y1 - 2023/2

N2 - The purpose of this paper is to study the viscosity and rheology of nanofluids with single-walled (SWCNT) and multi-walled (MWCNT) carbon nanotubes, and compare the obtained data. In total, a series of different nanofluids have been studied. The same base fluids were used in all experiments; the range of weight concentrations of carbon nanotubes (CNTs) and surfactants (if used) was also the same. In total, about two dozen of different nanofluids have been studied. The weight concentrations of CNTs ranged from 0.05 to 1 %. It is shown that with the same weight concentration of CNTs, nanofluids with SWCNTs have a significantly higher viscosity than nanofluids with MWCNTs. In most cases, the studied nanofluids were pseudo- or viscoplastic, although all the base fluids were Newtonian. Correlations describing the rheology of all studied nanofluids are given. It is shown that the viscosity of the nanofluids increases with a decrease in the average hydrodynamic size of nanotubes. The microrheology of these nanofluids has been studied and the dependence of their elastic modulus on the concentration of CNTs has been determined.

AB - The purpose of this paper is to study the viscosity and rheology of nanofluids with single-walled (SWCNT) and multi-walled (MWCNT) carbon nanotubes, and compare the obtained data. In total, a series of different nanofluids have been studied. The same base fluids were used in all experiments; the range of weight concentrations of carbon nanotubes (CNTs) and surfactants (if used) was also the same. In total, about two dozen of different nanofluids have been studied. The weight concentrations of CNTs ranged from 0.05 to 1 %. It is shown that with the same weight concentration of CNTs, nanofluids with SWCNTs have a significantly higher viscosity than nanofluids with MWCNTs. In most cases, the studied nanofluids were pseudo- or viscoplastic, although all the base fluids were Newtonian. Correlations describing the rheology of all studied nanofluids are given. It is shown that the viscosity of the nanofluids increases with a decrease in the average hydrodynamic size of nanotubes. The microrheology of these nanofluids has been studied and the dependence of their elastic modulus on the concentration of CNTs has been determined.

KW - Carbon nanotubes

KW - Microrheology

KW - Nanofluids

KW - Rheology

KW - Viscosity

UR - https://www.scopus.com/inward/record.url?eid=2-s2.0-85144579900&partnerID=40&md5=6bed710039275b7068473daed3c15a84

UR - https://www.mendeley.com/catalogue/855e3014-f2a7-3a53-b296-c0e64574c34c/

U2 - 10.1016/j.diamond.2022.109616

DO - 10.1016/j.diamond.2022.109616

M3 - Article

VL - 132

JO - Diamond and Related Materials

JF - Diamond and Related Materials

SN - 0925-9635

M1 - 109616

ER -

ID: 49728680