Natural convection of viscoelastic fluid from a cone embedded in a porous medium with viscous dissipation

Makanda, Gilbert ; Makinde, O. D. ; Sibanda, Precious (2013)

CITATION: Makanda, G., Makinde, O. D. & Sibanda, P. 2013. Natural convection of viscoelastic rluid from a cone embedded in a porous medium with viscous dissipation. Mathematical Problems in Engineering, 2013, Article ID 934712, doi:10.1155/2013/934712.

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We study natural convection from a downward pointing cone in a viscoelastic fluid embedded in a porous medium. The fluid properties are numerically computed for different viscoelastic, porosity, Prandtl and Eckert numbers.The governing partial differential equations are converted to a system of fourth order ordinary differential equations using the similarity transformations and then solved together by using the successive linearizationmethod (SLM).Many studies have been carried out on natural convection from a cone but they did not consider a cone embedded in a porous medium with linear surface temperature. The results in this work are validated by the comparison with other authors.

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