Investigation of additives nanoparticles and sphere barriers effects on the fluid flow inside a nanochannel impressed by an extrinsic electric field: A molecular dynamics simulation

被引:35
作者
Asgari, Alitaghi [1 ]
Quyen Nguyen [2 ]
Karimipour, Arash [1 ]
Quang-Vu Bach [3 ]
Hekmatifar, Maboud [4 ]
Sabetvand, Roozbeh [5 ]
机构
[1] Najafabad Univ, Dept Mech Engn, Esfahan, Iran
[2] Duy Tan Univ, Inst Res & Dev, Danang 550000, Vietnam
[3] Ton Duc Thang Univ, Fac Environm & Labour Safety, Sustainable Management Nat Resources & Environm R, 19 Nguyen Huu Tho, Ho Chi Minh City, Vietnam
[4] Khomeini Shahr Univ, Dept Mech Engn, Esfahan, Iran
[5] Amirkabir Univ Technol, Fac Condensed Matter Phys, Dept Energy Engn & Phys, Tehran, Iran
关键词
Nanofluid; Nanochannel; Molecular dynamics; Electric subject; Sphere barrier; Copper; nanoparticle; ARTIFICIAL NEURAL-NETWORK; THERMAL-CONDUCTIVITY; TEMPERATURE; ANTIFREEZE; ROUGHNESS; ANFIS; MICRO;
D O I
10.1016/j.molliq.2020.114023
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
In this paper, MD technique was employed to predict the atomic barrier impact on H2O/Copper nanofluid dynamic manner in existence of outer electric subject. To examine theH(2)O/Copper nanofluid flow, the Copper nanochannel with sphere barriers was simulated. In these MD simulations, the interactions between atoms of atomic structures were explained via Lenard-Jones force fields and Embedded Atom Model. To examine the atomic manner of these structures, physical specification like density, velocity and temperature profiles of H2O/Copper nanofluid reported. MD simulation outcomes display that, these physical specification of H2O/Copper nanofluid within non-optimal nanochannel effected by atomic barriers size transformations. Further, the effects of external electric field magnitude and frequencies variation on dynamical manner of H2O/Cu calculated. Numerically, it is calculated that, highest rate of temp., velocity and density profiles reach to 0.123 atom/angstrom(3), 0.986 angstrom/ps, and 513 K rates which these theatrical reports can be significant for actual application of nanofluid structures. (C) 2020 Elsevier B.V. All rights reserved.
引用
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页数:7
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