Abstract
This simulation aims to investigate numerically the pool boiling heat transfer from horizontal heated copper tube at atmospheric pressure. The Eulerian-Eulerian framework applied together with including Rensselaer Polytechnic Institute RPI boiling model to mimic the boiling process and predicting the heat and mass transfer inside the pool-boiling chamber. Efforts have been made in this simulation to correct the quenching heat flux part by modifying the bubble waiting time coefficient through adopting the trial and error procedure to correlate this coefficient to superheat temperature. The results of the boiling curve and the heat transfer coefficient of the present model are validated with experimental data from the literature and shown good agreement. Moreover, transient analysis of vapor volume fraction contours, vapor velocity vectors, and streamlines of water velocity at different superheat temperatures, as well as the time steps are presented and concisely discussed in this work.
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