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| 1 | Analysis of Heat Transfer Phenomenon in Magnetohydrodynamic Casson Fluid Flow Through Cattaneo–Christov Heat Diffusion Theory显示文摘Heat transport phenomenon of two-dimensional magnetohydrodynamic Casson fluid flow by employing Cattaneo–Christov heat diffusion theory is described in this work. The term of heat absorption/generation is incorporated in the mathematical modeling of present flow problem. The governing mathematical expressions are solved for velocity and temperature profiles using RKF 45 method along with shooting technique. The importance of arising nonlinear quantities namely velocity, temperature, skin-friction and temperature gradient are elaborated via plots. It is explored that the Casson parameter retarded the liquid velocity while it enhances the fluid temperature. Further, we noted that temperature and thickness of temperature boundary layer are weaker in case of Cattaneo–Christov heat diffusion model when matched with the profiles obtained for Fourier's theory of heat flux. | G.K.Ramesh B.J.Gireesha S.A.Shehzad F.M.Abbasi | 2017 | Communications in Theoretical Physics2017，67，7： | 7 |
| 2 | Mixed convective heat and mass transfer analysis for peristaltic transport in an asymmetric channel with Soret and Dufour effects显示文摘The present investigation addresses the simultaneous effects of heat and mass transfer in the mixed convection peristaltic flow of viscous fluid in an asymmetric channel. The channel walls exhibit the convective boundary conditions. In addition, the effects due to Soret and Dufour are taken into consideration. Resulting problems are solved for the series solutions. Numerical values of heat and mass transfer rates are displayed and studied. Results indicate that the concentration and temperature of the fluid increase whereas the mass transfer rate at the wall decreases with increase of the mass transfer Biot number. Furthermore, it is observed that the temperature decreases with the increase of the heat transfer Biot number. | F.M.Abbasi A.Alsaedi T.Hayat | 2014 | Journal of Central South University2014，21，12： | 5 |
| 3 | Heat Transfer Analysis for Peristaltic Mechanism in Variable Viscosity Fluid显示文摘An analysis is carried out for a peristaltic flow of a third-order fluid with heat transfer and variable viscosity when no-slip condition does not hold.Perturbation solution is discussed and a comparative stuity between the cases of constant and variable viscosities is presented and analyzed. | T.Hayat F.M.Abbasi Awatif A.Hendi | 2011 | Chinese Physics Letters2011，28，4： | 4 |
| 4 | 霍尔效应和欧姆热效应下纳米流体通过弯曲通道时的蠕动(英文)显示文摘纳米流体以其优异的热物理性质吸引了许多科学家。在常规流体中加入少量的纳米粒子会显著地增强传热特性。纳米材料的可持续性和效率对纳米技术的进步具有关键作用。本文分析了霍尔效应、欧姆热效应和速度滑移对纳米流体蠕动的影响。考虑了对流边界条件和热的产生/吸收,以促进传热特性。在曲线坐标下导出了弯曲通道中蠕动的控制方程。在长波长和小雷诺数的假设条件下,对方程进行了数值求解。研究表明,纳米流体提高了传热速率,降低了流体温度。Hartman数和Hall参数在流体运动和传热特性上表现出相反的行为。在存在速度滑移的情况下,压力梯度迅速减小,在通道的狭小区域表现出主导作用。 | T.HAYAT B.AHMED F.M.ABBASI A.ALSAEDI | 2019 | Journal of Central South University2019，26，9： | 2 |
| 5 | Mixed convection flow of jeffrey nanofluid with thermal radiation and double stratification显示文摘This article addresses the two-dimensional laminar boundary layer flow of magnetohydrodynamic(MHD) Jeffrey nanofluid with mixed convection. Effects of thermal radiation, thermophoresis, Brownian motion and double stratifications are taken into account. Rosseland's approximation is utilized for the thermal radiation phenomenon. Convergent series solutions of velocity, temperature and nanoparticle concentration are developed. Graphs of dimensionless temperature and nanoparticle concentration are presented to investigate the influences of different emerging parameters. The values of skin-friction coefficient, local Nusselt and Sherwood numbers are computed and discussed for both Jeffrey and viscous fluids cases. We have observed that the temperature profile retarded for the larger values of Deborah number while an enhancement is noticed with the increasing values of ratio of relaxation to retardation times. Increasing values of thermal and nanoparticle concentration stratifications lead to a reduction in the temperature and nanoparticle concentration. The values of local Nusselt and Sherwood numbers are larger for the viscous fluid case when compared with Jeffrey fluid. | F.M.ABBASI S.A.SHEHZAD T.HAYAT M.S.ALHUTHALI | 2016 | Journal of Hydrodynamics2016，28，5： | 2 |
| 6 | Bio-Marangoni convection flow of Casson nanoliquid through a porous medium in the presence of chemically reactive activation energy显示文摘Bioconvection research is primarily focused on the augmentation of energy and mass species,which has implications in the processes intensification,mechanical,civil,electronics,and chemical engineering branches.Advanced bioconvection technology sectors include cooling systems for electronic devices,building insulation,and geothermal nuclear waste disposal.Hence,the present investigation is mainly discoursing the impact of Marangoni convention Casson nanoliquid flow under gyrotactic microorganisms over the porous sheet.The partial differential equations(PDEs)are re-structured into ordinary differential equations(ODEs)via suitable similar variables.These ODEs are numerically solved with the help of the spectral relaxation method(SRM).The numerical outcomes are illustrated graphically for various parameters over velocity,temperature,concentration,and bioconvection profiles.Three-dimensional(3 D)views of important engineering parameters are illustrated for various parameters.The velocity of the Casson nanoliquid increases with increasing the Marangoni parameter but decreases against higher porosity parameter.The surface drag force enhances for enhancement in the Marangoni number.The rate of mass transmission is higher for reaction rate constraint but diminishes for activation energy parameter.The higher radiative values augment the rate of heat transmission. | J.K.MADHUKESH G.K.RAMESH B.C.PRASANNAKUMARA S.A.SHEHZAD F.M.ABBASI | 2021 | Applied Mathematics and Mechanics(English Edition)2021，42，8： | 1 |
| 7 | Peristaltic flow with convective mass condition and thermal radiation显示文摘The primary objective of present investigation is to introduce the novel aspects of convective mass condition and thermal radiation in the peristaltic transport of fluid. Magnetohydrodynamic(MHD) fluid was considered in a symmetric channel. Heat and mass transfer characteristics were analyzed in the presence of Soret and Dufour effects, and the results were presented via two forms of thermal radiation. The temperature, concentration and pressure rise per wavelength were examined. It is observed that the velocity slip and magnetic field parameters have opposite effects on the pressure rise per wavelength. Temperature of fluid is a decreasing function of the radiation parameter. Further, the temperature of fluid decreases by increasing the heat transfer Biot number. It is notified that the heat transfer rate at the wall is a decreasing function of radiation parameter. | F.M.Abbasi T.Hayat B.Ahmad B.Chen | 2015 | Journal of Central South University2015，22，6： | 1 |
| 8 | Cattaneo-Christov heat flux model for third-grade fluid flow towards exponentially stretching sheet显示文摘The Cattaneo-Christov heat flux in the two-dimensional(2D) flow of a thirdgrade fluid towards an exponentially stretching sheet is investigated.The energy equation is considered through thermal relaxation.Similarity transformations are accounted to obtain the ordinary differential systems.The converted non-dimensional equations are solved for the series solutions.The convergence analysis of the computed solutions is reported.The graphical results of the velocity and temperature profiles are plotted and elaborated in detail.The results show that the thermal relaxation enhances the temperature gradient while reduces the temperature profile. | S.A.SHEHZAD F.M.ABBASI T.HAYAT B.AHMAD | 2016 | Applied Mathematics and Mechanics(English Edition)2016，37，6： | 0 |
| 9 | Numerical analysis for peristaltic transport of Carreau-Yasuda fluid with variable thermal conductivity and convective conditions显示文摘Peristalsis of Carreau-Yasuda fluid is investigated. Analysis is carried out in the presence of velocity slip and convective boundary conditions. Thermal conductivity of the fluid is taken to be temperature dependent. Lubrication analysis is used in the formulation of the problem. Resulting nonlinear system of equations is solved numerically. Impact of embedded parameters on the quantities of interest is examined through graphs and tables. Comparison of the behavior of the Carreau-Yasuda, Carreau and Newtonian fluid models is presented. Results show that the heat transfer rate at the wall for the Carreau fluid model is large when compared with the Newtonian or the Carreau-Yasuda fluid model. Also the heat transfer rate at the wall decreases with increase in the velocity slip and variable thermal conductivity parameters. Further, an increase in the Biot number reduces the fluid temperature by a considerable amount. | F.M.Abbasi T.Hayat B.Ahmad | 2015 | Journal of Central South University2015，22，11： | 0 |
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