Reduction of water droplets effects in steam turbine blade using Multi-objective optimization of hot steam injection

SE Hosseinizadeh, E Ghamati, A Jahangiri… - International Journal of …, 2023 - Elsevier
As one of the most important equipment for energy conversion, steam turbine plays an
irreplaceable role in industry. Due to the high velocity, the non-equilibrium condensation will …

Optimization variables of the injection of hot-steam into the non-equilibrium condensing flow using TOPSIS method

AM Dolatabadi, S Masoumi, E Lakzian - International Communications in …, 2021 - Elsevier
Nowadays, one of the concerns of the searchers is the increasing performance of industrial
equipment. The phenomenon of spontaneous non-equilibrium condensation and the …

Wet steam flow and condensation loss in turbine blade cascades

C Wen, Y Yang, H Ding, C Sun, Y Yan - Applied Thermal Engineering, 2021 - Elsevier
This study develops a wet steam modelling to solve the phase change process inside the
blade cascade of a steam turbine. The comparative study is carried out to understand the …

Multi-objective optimization of supercooled vapor suction for decreasing the nano-water droplets in the steam turbine blade

SA Hosseini, E Lakzian, M Nakisa - International Communications in Heat …, 2023 - Elsevier
Nowadays, decreasing the losses in industrial equipment as well as increasing their lifetime
are of special importance. A steam turbine is one of the essential equipment in power plants …

Effect of NaCl presence caused by salting out on the heterogeneous-homogeneous coupling non-equilibrium condensation flow in a steam turbine cascade

G Zhang, X Wang, P Wiśniewski, J Chen, X Qin… - Energy, 2023 - Elsevier
Steam turbine is one of the most important components in fossil-fired and nuclear power
plants, its efficiency is of great importance for saving energy and decreasing consumption …

A blackbox optimization of volumetric heating rate for reducing the wetness of the steam flow through turbine blades

D Hoseinzade, E Lakzian, A Hashemian - Energy, 2021 - Elsevier
This paper proposes to use a blackbox optimization to obtain the optimal volumetric heating
required to reduce the wetness at the last stages of steam turbines. For this purpose, a …

Numerical analysis of hot steam injection through an embedded channel inside a 3D steam turbine blade

M Ghodrati, E Lakzian, A Kafaei, WM Yan… - Applied Thermal …, 2023 - Elsevier
The steam expands rapidly and releases its latent heat at the last stages of steam turbines,
forming a large number of tiny liquid droplets. This non-adiabatic process results in a …

Analysis of heterogeneous nucleation and erosion behavior considering the injection of impurities into wet steam flow using poly-dispersed method

AM Dolatabadi, F Salmani, E Lakzian - … Journal of Heat and Mass Transfer, 2022 - Elsevier
Nowadays, an enormous amount of electricity is gained from steam turbines, and solid salt
injection into the steam turbines is used to control pH. Therefore, the heterogeneous …

Detailed showerhead cooling effectiveness measurements on the notched leading-edge surface: Effect of freestream turbulence and density ratio

L Ye, C Liu, B Li, A Zhu - International Communications in Heat and Mass …, 2022 - Elsevier
The leading-edge cooling configuration with the notch design on the stagnation line
proposed in the preliminary work may become a promising structure to reduce further the …

Numerical modeling of droplets injection in the secondary flow of the wet steam ejector in the refrigeration cycle

D Dadpour, E Lakzian, M Gholizadeh, H Ding… - International Journal of …, 2022 - Elsevier
Steam ejector plays a key role in the refrigeration system. The water has been used as a
working fluid because water is more economical and non-toxic. The operating fluid often …