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    题名 作者 年代 出处 被引量
1多孔介质中热层滞流中辐射效应和均相–非均相反应的熔化传热(英文)显示文摘本文研究了不同厚度多孔介质中的饱和热层滞点流的熔化传热。进一步研究了均相–非均相反应和辐射效应对传热性能的影响。熔融传热和均相反应现象在金属纯化、焊接工艺、电渣熔炼、生化系统、催化和工业中得到了广泛应用。利用同伦过程给出了问题的收敛解。讨论了几个相关参数,速度、热场和浓度分布。本文还描述了摩擦系数和Nusselt数的图解。反应物的浓度由于非均相和均相反应参数强度的变化而降低。由于熔融现象的存在,在较高的辐射参数下,流体温度下降。M.JAVED M.FAROOQ S.AHMAD Aisha ANJUM 2018Journal of Central South University2018,25,11:4
2具有二元化学反应和活化能的压缩流体的磁流体动力学(英文)显示文摘研究了在外加磁场作用下,黏性流体在压缩通道中的运动规律。热量和质量传输过程涉及温度依赖的二元化学反应和修正的Arrhenius活化能函数理论,但是该理论尚未揭示挤压流动机理。在无滑移壁边界条件下,流场、热场和质量场通过无量纲、高度非线性的常微分方程来控制。采用一种收敛性稳定的解析方法求解边值问题。对各种新出现参数的流速场、温度场和流体浓度分布的图进行了详细的研究,获得了表面摩擦、Nusselt和Sherwood数并以图表形式表现。结果表明,流体温度随着占主导地位的无量纲反应速率σ和活化能E的增加而升高。然而,σ和E的增加随着流体浓度的增加而下降。当前研究应用于许多工程和工业过程包括聚合物工业、压缩和注塑成型、润滑系统、纸张的生产、塑料薄膜的成型。在化学工程和地热领域,可以利用磁场来控制核冷却反应、核或化学系统、双分子反应、生化过程和导电聚合物流动。在这些应用的推动下,此研究已得到发展。S.AHMAD M.FAROOQ N.A.MIR Aisha ANJUM M.JAVED 2019Journal of Central South University2019,26,5:2
3Investigations of Viscous Dissipation in Stagnation Point Flow Past a Stretchable Riga Wall: Modern Analysis of Heat Transport显示文摘This article scrutinizes the features of viscous dissipation in the stagnation point ?ow past through a linearly stretched Riga wall by implementing Cattaneo-Christov heat ?ux model. Viscous dissipation is carried out in Cattaneo-Christov diffusion analysis for the ?rst time in this letter. As a result of Cattaneo-Christov model, some extra terms of viscous dissipation are appeared in the energy equation. These extra terms of viscous dissipation are missing in the literature. On the utilization of suitable transformations, the equations governing the problem are reduced under the boundary layer approximation into the non-linear and dimensionless ordinary differential equations. Convergent approach is utilized to solve the dimensionless governing equations. The solution thus acquired is used to highlight the effects of emerging parameters on velocity distribution and ?uid's temperature through the graphs. Features of the drag force(or skin friction co-e?cient) are graphically interpreted. It is noticed that the presence of modi?ed Hartman number helps to reduce the ?uid's temperature but enhances the velocity pro?le. Further an enlargement in the value of thermal time relaxation parameter helps to decrease the temperature distribution.Aisha Anjum N.A.Mir M.Farooq M.Javed S.Ahmad 2019Communications in Theoretical Physics2019,71,4:0
4Exact solution to peristaltic transport of power-law fluid in asymmetric channel with compliant walls显示文摘Effects of compliant wall properties on the peristaltic flow of a non-Newtonian fluid in an asymmetric channel are investigated.The rheological characteristics are characterized by the constitutive equations of a power-law fluid.Long wavelength and low Reynolds number approximations are adopted in the presentation of mathematical developments.Exact solutions are established for the stream function and velocity.The streamlines pattern and trapping are given due attention.Salient features of the key parameters entering into the present flow are displayed and important conclusions are pointed out.T.HAYAT M.JAVED 2010Applied Mathematics and Mechanics(English Edition)2010,31,10:0
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