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    题名 作者 年代 出处 被引量
1均相和非均相反应和热辐射对Cu-水纳米流体在非均匀热源平板上磁流体力学的影响(英文)显示文摘考虑均相和非均相反应和热辐射效应,研究了非均匀热源对纳米流体在膨胀板上流动的影响。用Corcione关系式描述了纳米流体的动力黏度和有效热导率的关系。根据这个关系式得出,导热是由布朗运动进行的。通过相似变换减少了与纳米流体的能量、动量和浓度有关的控制方程,并进行数值求解。研究了内热源参数、纳米流体的体积分数、辐射参数、均相反应参数、磁场参数、非均相参数和Schmidt数等对热和流体流动的影响。最后,考虑研究中的有效参数,改进了Nusselt数的关系式。结果表明,随着非均相参数和均相反应参数的变大,浓度曲线变稀。结果表明,Nusselt数与内部热源参数之间存在反向关系。DOGONCHI A S CHAMKHA Ali J HASHEMI-TILEHNOEE M SEYYEDI S M RIZWAN-UL-HAQ GANJI D D 2019Journal of Central South University2019,26,5:0
2MHD three dimensional flow of viscoelastic fluid with thermal radiation and variable thermal conductivity显示文摘The objective of the present work is to model the magnetohydrodynamic(MHD) three dimensional flow of viscoelastic fluid passing a stretching surface. Heat transfer analysis is carried out in the presence of variable thermal conductivity and thermal radiation. Arising nonlinear analysis for velocity and temperature is computed. Discussion to importantly involved parameters through plots is presented. Comparison between present and previous limiting solutions is shown. Numerical values of local Nusselt number are computed and analyzed. It can be observed that the effects of viscoelastic parameter and Hartman number on the temperature profile are similar in a qualitative way. The variations in temperature are more pronounced for viscoelastic parameter K in comparison to the Hartman number M. The parameters N and ε give rise to the temperature. It is interesting to note that values of local Nusselt number are smaller for the larger values of ε.SHEHZAD S A HAYAT T ALSAEDI A 2014Journal of Central South University2014,21,10:0
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