Numerical investigation of effects polydispersed droplets on the erosion rate and condensation loss in the wet steam flow in the turbine blade cascade

MAF Aliabadi, E Lakzian, A Jahangiri… - Applied Thermal …, 2020 - Elsevier
The condensation phenomenon in the steam turbines creates a complex spectrum of droplet
size. As known, the droplet size distribution can provide important information for steam …

[HTML][HTML] Approximate moment methods for population balance equations in particulate and bioengineering processes

R Dürr, A Bück - Processes, 2020 - mdpi.com
Population balance modeling is an established framework to describe the dynamics of
particle populations in disperse phase systems found in a broad field of industrial, civil, and …

The best angle of hot steam injection holes in the 3D steam turbine blade cascade

A Kafaei, F Salmani, E Lakzian, W Wróblewski… - International Journal of …, 2022 - Elsevier
Steam turbines play an undeniable role in the power generation cycle. In this paper, in order
to increase the efficiency of steam turbines, hot steam is injected between the steam turbine …

Passive control optimization of condensation flow in steam turbine blades

E Lakzian, S Yazdani, BJ Lee - International Journal of Mechanical …, 2023 - Elsevier
Due to the decrease in steam temperature in the low-pressure steam turbine, nucleation
occurs, and liquid droplets form, reducing thermodynamic efficiency and damaging the …

Two-fluid model with droplet size distribution for condensing steam flows

W Wróblewski, S Dykas - Energy, 2016 - Elsevier
The process of energy conversion in the low pressure part of steam turbines may be
improved using new and more accurate numerical models. The paper presents a description …

Inhomogeneous multifluid model for prediction of nonequilibrium phase transition and droplet dynamics

AG Gerber - 2008 - asmedigitalcollection.asme.org
A pressure based Eulerian multifluid model for application to phase transition with droplet
dynamics in transonic high-speed flows is described. It is implemented using an element …

[HTML][HTML] Computational modeling of non-equilibrium condensing steam flows in low-pressure steam turbines

AMN Elmekawy, MEHH Ali - Results in Engineering, 2020 - Elsevier
Condensation occurring in low pressure stages of steam turbines contributes to many losses
in efficiency and damage to the stator blades such as corrosion and pitting. This problem …

[HTML][HTML] A novel dehumidification strategy to reduce liquid fraction and condensation loss in steam turbines

Y Yang, H Peng, C Wen - Entropy, 2021 - mdpi.com
Massive droplets can be generated to form two-phase flow in steam turbines, leading to
erosion issues to the blades and reduces the reliability of the components. A condensing …

A comparison of modeling techniques for polydispersed droplet spectra in steam turbines

FR Hughes, J Starzmann… - … For Gas Turbines …, 2016 - asmedigitalcollection.asme.org
Within steam turbine flows, condensation phenomena give rise to complex droplet spectra
that can span more than two orders of magnitude in size. To predict the behavior of the two …

Nonisothermal droplet growth in the free molecular regime

H Pathak, K Mullick, S Tanimura… - Aerosol Science and …, 2013 - Taylor & Francis
The growth rates of nonane and D2O nanodroplets produced in supersonic expansions are
characterized using small angle X-ray scattering (SAXS) and pressure trace measurements …