PL
EN

No. 128, 2015, 119–130

Enhanced evaporation of the condensate droplets within the asymmetrical shock wave zone
SEBASTIAN KORNET, JANUSZ BADUR

Abstract

The present work is concerned with investigation into coupled phenomena occurring in the supersonic section of the de Laval nozzle, characterized by the presence of shock the flow of condensing steam. The numerical simulations results were compared with the experiment carried out by Dykas et al. in 2013 on the half arc nozzles. The present work includes simulations results of oscillation frequency of the shock wave and conditions for the enhancement evaporation of condensate within the asymmetrical shock wave. Novelty of our approach lies on modeling both the moment of initiation of a phase transition, as well as the moment of its reverse progress – called here revaporization of the condensate phase.

Keywords:

revaporization, shock wave, homogenous condensation, asymmetrical lambda foot

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