Abstract:In the present work, we investigate
bubble dynamics (bubble growth
and collapse) and onset of flow oscillation in a natural circulation
boiling loop (NCBL) using a high-speed camera (500 fps) and numerical
simulation. The steady-state analysis of the loop flow rate yields
the onset of flow oscillations and a marginal stability boundary,
which are reasonably close to the experimental results. The simulation
based on four-equation drift flux model predicts the amplitude and
frequency of experimental flow oscilla… Show more
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