Abstract
An oval cross-sectional-area twin jet were studies experimentally studied under constant heat flux conditions to clarify the effect of both Zn-water nanofluid along with such oval twin jet on the thermal characteristic and provide the lack data in such field. The validation was conducted with comparable study and it showed acceptable deviation. The emerged results referred to that the Nusselt number is remarkably increase as the nanoparticle concentration, Reynold number and the distance between nozzles increase. The higher enhancement was found to be 2.1% at high Reynold number value (Re=1000), S/D=5 and nanoparticle concentration ϕ=0.5.
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