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Results of the international wet steam modeling project
J Starzmann, FR Hughes, S Schuster… - Proceedings of the …, 2018 - journals.sagepub.com
The purpose of the “International Wet Steam Modeling Project” is to review the ability of
computational methods to predict condensing steam flows. The results of numerous wet …
computational methods to predict condensing steam flows. The results of numerous wet …
Validation of the CFD tools against in-house experiments for predicting condensing steam flows in nozzles
The issues addressed in this work concern the condensing steam flows as a flow of a two-
phase medium, ie, consisting of a gaseous phase and a dispersed phase in the form of …
phase medium, ie, consisting of a gaseous phase and a dispersed phase in the form of …
Control of wetness fraction and liquid droplet size in wet steam two phase flows with hot steam injection
The sudden expansion of steam in the last stages of turbines causes a nucleation process to
take place and liquid droplets to appear. Parts of these droplets, which grow collide with the …
take place and liquid droplets to appear. Parts of these droplets, which grow collide with the …
A pressure based solver for simulation of non-equilibrium wet steam flows
This paper describes a pressure-based solver based on the finite volume approach for the
simulation of high-speed wet steam flows with non-equilibrium condensation. The governing …
simulation of high-speed wet steam flows with non-equilibrium condensation. The governing …
Numerical study of non-equilibrium condensation and shock waves in transonic moist-air and steam flows
Transonic condensing/evaporating moist-air flow through converging-diverging nozzles is
investigated numerically using non-equilibrium thermodynamic model. In this study, the …
investigated numerically using non-equilibrium thermodynamic model. In this study, the …
Modeling of deviation angle and performance losses in wet steam turbines using GMDH-type neural networks
In the present study group method of data handling (GMDH) type of artificial neural networks
are used to model deviation angle (θ), total pressure loss coefficient (ω), and performance …
are used to model deviation angle (θ), total pressure loss coefficient (ω), and performance …
Comparison between polydispersed and monodispersed models on condensing water-vapor flow in a supersonic convergent-divergent nozzle
The supercooled steam in low pressure turbines creates the nucleation phenomenon. In
most modeling approaches, to reduce the computation time a monodispersed model is …
most modeling approaches, to reduce the computation time a monodispersed model is …
Effects of non-equilibrium condensation on deviation angle and performance losses in wet steam turbines
In this paper, effects of non-equilibrium condensation on deviation angle and performance
losses of wet stages of steam turbines are investigated. The AUSM-van Leer hybrid scheme …
losses of wet stages of steam turbines are investigated. The AUSM-van Leer hybrid scheme …
Examining the curvature dependency of surface tension in a nucleating steam flow
Many researches have been performed on the phenomenon of vapor condensation at the
hypersonic stages of the steam turbine. This phenomenon consists of nucleation and droplet …
hypersonic stages of the steam turbine. This phenomenon consists of nucleation and droplet …
Evaluation of different nucleation models and droplet radius averaging methods and their combination on condensing steam flow
During the course of expansion of steam in LP steam turbines, the vapor becomes
supersaturated, and subsequently nucleates. Then condensation occurs, that causes some …
supersaturated, and subsequently nucleates. Then condensation occurs, that causes some …