Abstract
The aim of this computational study is to characterize convective heat transfer for a free liquid jet impinging on a rotating and uniformly heated solid disk of finite thickness and radius. Calculations are done for a number of disk materials and working fluids covering a range of Reynolds number (445–1,800), Ekman number (2.21 × 10−5–2.65 × 10−4), nozzle-to-target spacing (β = 0.55–5.0), disk thicknesses-to-nozzle diameter ratio (0.167–1.67), disk-to-nozzle diameter ratio (2.11–6.33), Prandtl number (1.29–124.44), and solid-to-fluid thermal conductivity ratio (36.91–2222). A generalized correlation for average Nusselt number is developed from numerical results. The simulation results compare reasonably well with available experimental data.
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