Autor:
Ajibade, Abiodun O. ; Umar, Ayuba Muhammad
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Temat i słowa kluczowe:
mixed convection ; viscous dissipation ; vertical channel ; boundary thickness ; mass constant flux
Abstract:
This article theoretically investigate mixed convection flow of heat generating/absorbing fluid in the presence of viscous dissipation and wall conduction effects. The flow is considered to be steady in a vertical channel with some boundary thickness. One of the plates is heated while the other is kept at ambient temperature. ; The governing flow equations were solved analytically using the Homotopy Perturbation Method (HPM). The influences of the governing parameters were captured in graphs, tables and a table was constructed for validation of the work. It is worthwhile to stress that, both the velocity and temperature profiles decrease near the heated plate with an increase in boundary thickness (d) while reverse cases were observed towards the cold plate. ; The velocity profile increases near the heated plate with an increase in the mixed convection parameter (Gre) and decreases towards the cold plate. The rate of heat transfer has been observed to decrease with an increase in the boundary plate thickness (d) while the critical value of (Gre) increases with a growing boundary plate thickness. The study therefore established the importance of boundary plate thickness in mixed convection investigation.
Wydawca:
Zielona Góra: Uniwersytet Zielonogórski
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Źródło:
IJAME, volume 24, number 4 (2019)