Vol.4 No.10 (October 2014)
Numerically Investigating Influence of
Different Steam Source Parameters on Charging Process of Marine Steam Accumulator
Two-fluid model and thermal change model with considerations of evaporation and condensation for vapor and liquid were utilized. Based on the coupled boundary conditions with different charging flow rates and temperatures, numerical investigation on the influence of different steam source parameters on charging process of marine steam accumulator was carried out. Effects of different charging flow rates and temperatures on the dynamic characteristics of charging process for steam accumulator were analyzed. The calculated results showed that higher charging tem-perature resulted in higher temperature for steam in an accumulator in the term of certain charging energy per unit time, causing nonuniform temperature and flow field. Lower charging flow rate could cause stronger steam jet.
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