Numerical simulation of nanofluid forced convection heat transfer improvement in existence of magnetic field using lattice Boltzmann method
Numerical simulation of nanofluid forced convection heat transfer improvement in existence of magnetic field using lattice Boltzmann method
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DOI：
10.1016/j.ijheatmasstransfer.2017.01.044
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发表时间：
2017-05
影响因子：
5.2
通讯作者：
M. Sheikholeslami;T. Hayat;A. Alsaedi
中科院分区：
文献类型：
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作者：
M. Sheikholeslami;T. Hayat;A. Alsaedi
celd Rep an Un Accepted 13 January 2017 rce number，Reynolds number，Al2O3 volume fraction are illustrated graphically.输出如所示，他们得出结论，对流通过更大的哈特曼数减少。Qi等人[5]利用LBM对纳米流体的自由对流换热进行了两相模拟。Nithyadevi等人[6]研究了倾角对纳米流体混合对流的影响。Hayat等人[7]检查辐射对孔的影响[17]在remet等的多孔半热分析中研究了导致热传递增强的原因。Sheikholeslami研究了可变洛伦兹对纳米流体流动方式的影响[得出结论，开尔文力降低了传热的改善。Sheikholeslami和Vajravelu [20]报道了磁场存在下的纳米流体行为。Hayat等人研究了假塑性纳米流体流动中的热辐射和对流条件。[21]第20段。Hayat等人[22]在混合对流和温度相关的热导率的存在下，模拟粘弹纳米流体流动。他们报告说，温度分布增强了较大的热泳和通讯作者：数学系，Aid-I-Azam大学，45320伊斯兰堡44000，巴基斯坦。电子邮件地址：[email protected]（M. [email protected][email protected] Hayat）。International Journal of Heat and Mass Transfer 108（2017）1870 - 1883 Contents lists availab International Journal of H.提出了磁性纳米流体熵产生的介观模拟方法。结果表明，熵产生随洛仑兹力的增大而减小. Mohamad和Kuzmin [3]已经将LBM用于自由对流。Sheikholeslami和Ellahi [4]已经模拟了3D空腔中的纳米流体对流。流体温度分布磁场对纳米流体环隙运动的影响。She提出了一种倾斜的波浪形封闭体的MHD纳米流体自由对流流动。doi。org/10.1016/j. ijheatmastransfer. 2017.01. 044 0017-9310/2017爱思唯尔有限公司版权所有。L. [18]第10段。onvec-forces 19]。Lattice Boltzmann方法是模拟复杂问题的重要介观方法之一。压力项可以很容易地通过状态方程计算。LBM的基础是动力学理论。需要新型流体以获得更有效的性能。因此，研究人员引入了纳米流体。Andreozzi等人[1]研究了纳米流体和肋对通道内传热的影响。结果表明，最高的热性能属于三角形肋。Sheikholeslami和Ganji [2]研究了存在洛伦兹力时纳米颗粒的绝热边界条件。Alsabery等人[9]利用热线分析纳米流体的共轭自由对流。在研究中可以看到一些最近的纳米流体动力学贡献[10 - 15]。Selimefendigil和Oztop [16]研究了倾斜腔中的纳米流体共轭传热。Sheikholeslami和Ellahi [4]应用LBM模拟洛伦兹力对纳米TA的影响2017年1月21日在线关键词：格子玻尔兹曼方法纳米流体MHD强制对流KKL模型1.介绍速度、等动能、流线、等温线和努塞尔数的形式。结果表明，纳米流体的速度随雷诺数和Al 2 O3体积分数的增大而增大，随哈特曼数的增大而减小。对流模随洛仑兹力的增加而减小。移动壁面的温度梯度随温度梯度的增大而增大。
c eld Rep an Un Accepted 13 January 2017 rce number, Reynolds number, Al2O3 volume fraction are illustrated graphically. Outputs are depicted in They concluded that convection reduces through larger Hartmann number. Qi et al.[5] utilized LBM for two phase modeling of nano-fluid free convection heat transfer. Nithyadevi et al.[6] investi-gated the influence of titled angle on nanofluid mixed convection. Hayat et al.[7] examined influence of radiation on con-[17] investigated on in porous semi ermal analysis in remet et a le causes c tive heat transfer enhancement. Impact of variable Lorentz on nanofluid flow style was examined by Sheikholeslami [concluded that improvement in heat transfer reduces for Kelvin forces. Sheikholeslami and Vajravelu [20] reported the nanofluid behavior in existence of magnetic field. Thermal radia-tion and convective condition in flow of pseudoplastic nanofluid were addressed by Hayat et al.[21]. Hayat et al.[22] modeled vis-coelastic nanofluid flow in the presence of mixed convection and temperature dependent thermal conductivity. They reported that temperature distribution enhances for larger thermophoresis and ⇑Corresponding author at: Department of Mathematics, Quaid-I-Azam Univer-sity, 45320 Islamabad 44000, Pakistan. E-mail addresses:[email protected](M. Sheikholeslami),[email protected](T. Hayat). International Journal of Heat and Mass Transfer 108 (2017) 1870–1883 Contents lists availab International Journal of H. epresented mesoscopic simulation for entropy production of mag-netic nanofluid. Their outputs reveled that entropy production reduces with rise of Lorentz forces. LBM has been utilized for free convection by Mohamad and Kuzmin [3]. Nanofluid convection in 3D cavity has been simulated by Sheikholeslami and Ellahi [4]. fluid temperature distribution. Sheikholeslami the influence of magnetic field on nanofluid moti annulus. MHD nanofluid free convective hydroth a tilted wavy enclosure was presented by She Their results indicated that change of titled angR Ehttp://dx. doi. org/10.1016/j. ijheatmasstransfer. 2017.01. 044 0017-9310/2017 Elsevier Ltd. All rights reserved. l.[18]. onvec-forces 19]. He largerOne of the great mesoscopic approaches for simulation of com-plicated problems is Lattice Boltzmann method. Pressure term can be easily calculated via equation of state. The base of LBM is kinetic theory. New types of fluid needed to obtain more efficient perfor-mance. So nanofluid has been introduced by researchers. Andreozzi et al.[1] investigated impact of nanofluid and ribs on heat transfer in a channel. They indicated that highest thermal per-formance belongs to triangular ribs. Sheikholeslami and Ganji [2] investigated the adiabatic boundary conditions for nanoparticle in presence of Lorentz force. Alsabery et al.[9] utilized heatline analysis for conjugate free convection of nanofluid. Few more recent contributions in dynamics of nanofluids can be seen in the investigations [10–15]. Nanofluid conjugate heat transfer in an inclined cavity has been examined by Selimefendigil and Oztop [16]. Sheikholeslami and Ellahi [4] applied LBM to simulate Lorentz force influence on nano-TAvailable online 21 January 2017 Keywords: Lattice Boltzmann Method Nanofluid MHD Forced convection KKL model 1. Introductionforms of velocity, isokinetic energy, streamlines, isotherms contours and Nusselt number. Results demon-strate that velocity of nanofluid augments with rise of Reynolds number and Al2O3 volume fraction but it reduces with increase of Hartmann number. Convection mode reduces with enhance of Lorentz forces. Temperature gradient over the moving wall augments with augment of …