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| 1 | Numerical computation of Brownian motion and thermophoresis effects on rotational micropolar nanomaterials with activation energy显示文摘The current article investigates the numerical study of the micropolar nanofluid flow through a 3D rotating surface.This communication may manipulate for the aim such as the delivery of the drug,cooling of electronic chips,nanoscience and the fields of nanotechnology.The impact of heat source/sink is employed.Brownian motion and thermophoresis aspects are discussed.The rotating sheet with the impacts of Darcy-Forchheimer law is also scrutinized.Furthermore,the influence of activation energy is analyzed in the current article.The numerical analysis is simplified with the help of befitted resemblance transformations.The succor of the shooting algorithm with built-in solver bvp4c MATLAB software is used for the numerical solution of nonlinear transformed equations.The consequences of different physical factors on the physical engineering quantities and the subjective fields were examined and presented.According to outcomes,it can be analyzed that the flow profile declined with the rotational parameter.It is observed that angular velocity diminishes via a larger porosity parameter.Furthermore,the temperature gradient is declined via a larger magnitude of the Prandtl number.The heat transfer is enhanced in the occurrence of Brownian motion.The activations energy parameter causes an increment in the volumetric concentration field.Moreover,the local Nusselt number is reduced via a greater estimation of the porosity parameter. | Hassan Waqas Shan Ali Khan Bagh Ali Dong Liu Taseer Muhammad Enran Hou | 2023 | Propulsion and Power Research2023，12，3： | 0 |
| 2 | Numerical study for bio-convection effects on MHD nano-fluid flow past a porous and extending wedge显示文摘We explored the insinuations of bio-convection and thermal radiation on nanofluid transportation across stretching permeable wedge with magnetic force.Appropriate similarity transformation variables are utilized to achieve ordinary differential equations.In order to tackle the non-linearity of these equations,numerical procedure based on shooting technique and Range Kutta method are harnessed on MATLAB platform.Computational and devour is carried out to evaluate the influence of controlling limitations on temperature,velocity,concentration of nanofluids and micro-organisms density.The growing strength of thermophoresis and Brownian motion enhance the fluid temperature.The profile volume fraction show decline against higher values of parameters which are Lewis number,unsteadiness and Brownian motion but opposite trend noted against higher value of Williamson and thermophoresis parameters.The skin friction values rise with the growing values of parameter of wedge angle for the moving wedge.The motile organism profile exhibits decrease against growing strength of Peclet number,bioconvection Lewis number,temperature difference and unsteady parameters while opposite behavior has been noted against wedge angle parameter. | Bagh Ali Muhammad Ilyas Imran Siddique Huizhu Yang Muhammad Kamran Ashraf Sohaib Abdal | 2023 | Propulsion and Power Research2023，12，4： | 0 |
| 3 | 利用支持向量分类(SVC)估算断层深度和特征选择(英文)显示文摘地下断层深度的估算是重力解释难题之一,我们试利用支持向量分类(SVC)法进行计算。使用正演和非线性反演技术,通过相关误错使检测地下断层深度成为可能。但必要有一个深度初始猜测值,而且这猜测值通常不是由重力资料得。本文我们介绍以SVC作为利用重力数据估算断层深度的一种手段。在这项研究中,我们假设一种地下断层深度可归为一种类型,SVC作为一个分类算法。为了有效地利用此SVC算法,我们基于一个正确的特征选择算法去选择正确的深度特征。本次研究中我们建立了一套基于不同深度地下断层的合成重力剖面训练集,用以训练用于计算实际的地下断层深度的SVC代码。然后用其它合成重力剖面训练集测试我们训练的SVC代码,同时也用实际资料验证了我们的训练SVC代码。 | Mohammad Ehsan Hekmatian Vahid E. Ardestani Mohammad Ali Riahi Ayyub Memar Koucheh Bagh Jalal Amini | 2013 | Applied Geophysics2013，10，1： | 0 |
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