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Volume 131 (2016)

CONTENTS

No. 131, 2016, 67–77

Condensation wave identification in moist air transonic flows through nozzles
SŁAWOMIR DYRKAS, MIROSŁAW MAJKUT, KRYSTIAN SMOŁKA, MICHAŁ STROZIK

Abstract

This paper identifies the location of water vapour spontaneous condensation during air expansion in convergent-divergent nozzles. The comprehensive analysis proposed herein includes an analytical solution together with experimental and numerical investigations. Numerical calculations are performed using an in-house computational fluid dynamics code based on the solution of Reynolds averaged Navier-Stokes equations supplemented with additional partial differential equations modelling the condensation process of water vapour contained in atmospheric air. Experiments were carried out using an in-house facility adapted for measurements of atmospheric air transonic flows. 

Keywords:

air, transonic flows, condensation
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