MWCNT in PEG-400 nanofluids for thermal applications: A chemical, physical and thermal approach

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MWCNT in PEG-400 nanofluids for thermal applications: A chemical, physical and thermal approach. / Marcos, Marco A.; Podolsky, Nikita E. ; Cabaleiro, David; Lugo, Luis; Zakharov, A.O.; Postnov, Viktor N.; Charykov, Nikolay A.; Ageev, Sergei V.; Semenov, Konstantin N.

In: Journal of Molecular Liquids, Vol. 294, 111616, 15.11.2019.

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

BibTeX

@article{05b6122c920f417a9577f77e0e3ba880,

title = "MWCNT in PEG-400 nanofluids for thermal applications: A chemical, physical and thermal approach",

abstract = "The paper presents novel data on synthesis, identification and physicochemical investigation of MWCNT/PEG-400 nanofluids as potential nano-enhanced heat transfer and storage media. In the framework of our research, we studied the influence of temperature and nanoparticle concentration on thermal conductivity (k), viscosity (η), density (ρ) and isobaric heat capacity (Cp), using different techniques such as transient hot wire, rheology, oscillating U-tube, and Temperature-Modulated Differential Scanning Calorimetry (TMDSC), respectively. In order to characterize the new nano-enhanced phase change materials, several dispersions of MWCNT in PEG-400 were studied, of which the highest concentration presents enhancements in thermal conductivity and thermal diffusivity up to 12.7% and 13.5%, respectively. Different approaches were used to theoretically describe those experimental thermophysical properties as functions of temperature and MWCNT concentration. Thus, nanoparticle volume fraction dependence of relative viscosity was correlated based on Einstein, Brinkman, Batchelor, Krieger-Dougherty, Maron-Pierce and Brenner-Condiff models, while Hamilton-Crosser, Xue and Murshed models were applied for the description of thermal conductivity behaviour.",

keywords = "MWCNT, PEG-400, Nanofluid, Thermal conductivity, Viscosity, Density",

author = "Marcos, {Marco A.} and Podolsky, {Nikita E.} and David Cabaleiro and Luis Lugo and A.O. Zakharov and Postnov, {Viktor N.} and Charykov, {Nikolay A.} and Ageev, {Sergei V.} and Semenov, {Konstantin N.}",

year = "2019",

month = nov,

day = "15",

doi = "10.1016/j.molliq.2019.111616",

language = "English",

volume = "294",

journal = "Journal of Molecular Liquids",

issn = "0167-7322",

publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - MWCNT in PEG-400 nanofluids for thermal applications: A chemical, physical and thermal approach

AU - Marcos, Marco A.

AU - Podolsky, Nikita E.

AU - Cabaleiro, David

AU - Lugo, Luis

AU - Zakharov, A.O.

AU - Postnov, Viktor N.

AU - Charykov, Nikolay A.

AU - Ageev, Sergei V.

AU - Semenov, Konstantin N.

PY - 2019/11/15

Y1 - 2019/11/15

N2 - The paper presents novel data on synthesis, identification and physicochemical investigation of MWCNT/PEG-400 nanofluids as potential nano-enhanced heat transfer and storage media. In the framework of our research, we studied the influence of temperature and nanoparticle concentration on thermal conductivity (k), viscosity (η), density (ρ) and isobaric heat capacity (Cp), using different techniques such as transient hot wire, rheology, oscillating U-tube, and Temperature-Modulated Differential Scanning Calorimetry (TMDSC), respectively. In order to characterize the new nano-enhanced phase change materials, several dispersions of MWCNT in PEG-400 were studied, of which the highest concentration presents enhancements in thermal conductivity and thermal diffusivity up to 12.7% and 13.5%, respectively. Different approaches were used to theoretically describe those experimental thermophysical properties as functions of temperature and MWCNT concentration. Thus, nanoparticle volume fraction dependence of relative viscosity was correlated based on Einstein, Brinkman, Batchelor, Krieger-Dougherty, Maron-Pierce and Brenner-Condiff models, while Hamilton-Crosser, Xue and Murshed models were applied for the description of thermal conductivity behaviour.

AB - The paper presents novel data on synthesis, identification and physicochemical investigation of MWCNT/PEG-400 nanofluids as potential nano-enhanced heat transfer and storage media. In the framework of our research, we studied the influence of temperature and nanoparticle concentration on thermal conductivity (k), viscosity (η), density (ρ) and isobaric heat capacity (Cp), using different techniques such as transient hot wire, rheology, oscillating U-tube, and Temperature-Modulated Differential Scanning Calorimetry (TMDSC), respectively. In order to characterize the new nano-enhanced phase change materials, several dispersions of MWCNT in PEG-400 were studied, of which the highest concentration presents enhancements in thermal conductivity and thermal diffusivity up to 12.7% and 13.5%, respectively. Different approaches were used to theoretically describe those experimental thermophysical properties as functions of temperature and MWCNT concentration. Thus, nanoparticle volume fraction dependence of relative viscosity was correlated based on Einstein, Brinkman, Batchelor, Krieger-Dougherty, Maron-Pierce and Brenner-Condiff models, while Hamilton-Crosser, Xue and Murshed models were applied for the description of thermal conductivity behaviour.

KW - MWCNT

KW - PEG-400

KW - Nanofluid

KW - Thermal conductivity

KW - Viscosity

KW - Density

U2 - 10.1016/j.molliq.2019.111616

DO - 10.1016/j.molliq.2019.111616

M3 - Article

VL - 294

JO - Journal of Molecular Liquids

JF - Journal of Molecular Liquids

SN - 0167-7322

M1 - 111616

ER -

ID: 49608052