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3D mixed convection MHD flow of GO- MoS2 hybrid nanoparticles in H2O– (CH2OH) 2 hybrid base fluid under effect of H2 bond
International Communications in Heat and Mass Transfer ( IF 7 ) Pub Date : 2020-01-01 , DOI: 10.1016/j.icheatmasstransfer.2019.104371
S.S. Ghadikolaei , M. Gholinia

Abstract In this achievement, the physical perspectives on 3D natural convection MHD flow of GO- MoS2 / Water (H2O)-Ethylene glycol (C2H6O2) (50:50 Vol%) hybrid nanofluid under the effect of thermal ray, shape and slip factors has been presented using Runge- Kutta Fehlberg 5th order (RKF-5) numerical procedure. The infiltration of diverse parameters for instance: suction/ injection parameters, thermal radiation, and nanoparticle shapes (Cylinders, Platelets, and Bricks), on velocity and temperature profiles are exemplified qualitatively through graphs. Outputs indicate that: Lorentz force created by augmenting magnetic square parameter (M) causes diminution in the velocity profile. The radiation parameter has used to breakdown hydrogen bonds of fluid molecules. Additionally, strong hydrogen bonding of hybrid nanofluid (GO- MoS2) causes a sharp increase in thermal conductivity and, consequently, increment in temperature profile (H2 bondHybrid‐phase > H2 bondNano‐phase). Increasing the shape factor has always increased temperature profile and heat transfer rate, so the number of hydrogen bonds also decreases.

中文翻译:

GO-MoS2 杂化纳米粒子在 H2O-(CH2OH)2 杂化基液中在 H2 键作用下的 3D 混合对流 MHD 流动

摘要 在这项成果中,GO-MoS2 / 水 (H2O)-乙二醇 (C2H6O2) (50:50 Vol%) 混合纳米流体在热射线、形状和滑移因子影响下的 3D 自然对流 MHD 流动的物理视角具有使用 Runge-Kutta Fehlberg 5 阶 (RKF-5) 数值程序呈现。各种参数的渗透,例如:抽吸/注射参数、热辐射和纳米颗粒形状(圆柱、血小板和砖块)、速度和温度曲线的渗透通过图表定性地举例说明。输出表明: 通过增加磁平方参数 (M) 产生的洛伦兹力会导致速度剖面减小。辐射参数已用于破坏流体分子的氢键。此外,混合纳米流体 (GO-MoS2) 的强氢键导致热导率急剧增加,因此温度分布增加(H2 键混合相 > H2 键纳米相)。增加形状因子总是会增加温度分布和传热速率,因此氢键的数量也会减少。
更新日期:2020-01-01
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