Journal
INTERNATIONAL JOURNAL OF CHEMICAL REACTOR ENGINEERING
Volume 16, Issue 3, Pages -Publisher
WALTER DE GRUYTER GMBH
DOI: 10.1515/ijcre-2016-0188
Keywords
Arrhenius activation energy; nanofluid; convective boundary condition; vertical frustum of a cone; bivariate pseudo-spectral local linearisation method (BPSLLM)
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In this article, we investigate the effects of Arrhenius activation energy with binary chemical reaction and convective boundary condition on natural convective flow over vertical frustum of a cone in a Buongiorno nanofluid under the presence of thermal radiation. The zero nanoparticle flux condition is used at the surface of frustum of a cone rather than the uniform wall condition to execute physically applicable results. For this complex flow model, a suitable non-similarity transformations are used initially and then Bivariate pseudo-spectral local linearisation method is used to solve the non-similar, coupled partial differential equations. Further, the convergence test and error analysis are conducted to verify the accuracy of numerical method. The effects of flow influenced parameters on the non-dimensional velocity, temperature, nanoparticle volume fraction and regular concentration profiles as well as on the skin friction, heat transfer rate, nanoparticle and regular mass transfer rates are analyzed.
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