Results 11 to 20 of about 707,743 (259)
Wet steam flow and condensation loss in turbine blade cascades
Applied Thermal Engineering, 2021 This study develops a wet steam modelling to solve the phase change process inside the linear blade cascade of a steam turbine. The comparative study is carried out to understand the impact of the dry gas model and wet steam model on predicting the flow ...
C. Wen +4 more
semanticscholar +3 more sources
Energy Conversion and Management, 2019 In the steam turbine, the wetness loss due to vapor condensation is one of the most crucial losses at low-pressure stage. This study focused on entropy generation and exergy destruction of condensing steam flow in turbine blade with the roughness.
Hongbing Ding +4 more
semanticscholar +3 more sources
Comparative analysis of power distribution, exergy losses and exergy efficiencies of the 200 MW steam turbine for three operating modes with and without turbine steam extraction [PDF]
Tehnika, 2021 The paper calculates the power, exergy losses and exergy efficiencies of the high, medium and low pressure steam turbine, as well as the total exergy losses and exergy efficiency of the 200 MW steam turbine.
Ćehajić Nurdin I. +1 more
doaj +1 more source
Alexandria Engineering Journal, 2021 The vibrations of bearings holding the high-speed shaft of a steam turbine are critically controlled for the safe and reliable power generation at the power plants.
Waqar Muhammad Ashraf +7 more
semanticscholar +1 more source
International Journal of Energy Research, 2021 In large thermal power facilities, thermal machines mainly fitted with steam turbines are used in thermodynamic process of converting thermal energy into mechanical work.
Dusan Strusnik
semanticscholar +1 more source
Influence of reheat pressure on reheat cycle economy [PDF]
E3S Web of Conferences, 2021 After steam expands to a certain intermediate pressure in steam turbine, it is led out of steam turbine and sent to reheater of boiler. The steam is heated to the initial temperature by constant pressure in the reheater.
Wang Yarong, Wang Peirong
doaj +1 more source
Local Buckling-Induced Forming Method to Produce Metal Bellows
Chinese Journal of Mechanical Engineering, 2023 A novel buckling-induced forming method is proposed to produce metal bellows. The tube billet is firstly treated by local heating and cooling, and the axial loading is applied on both ends of the tube, then the buckling occurs at the designated position ...
Tianyin Zhang +4 more
doaj +1 more source
Multi-Task Data Imputation for Time-Series Forecasting in Turbomachinery Health Prognostics
Machines, 2022 Time-series forecasting is the core of the prognostics and health management (PHM) of turbomachinery. However, missing data often occurs due to several reasons, such as the failure of sensors. These partially missing and irregular data greatly affect the
Xudong Chen +6 more
doaj +1 more source
Design and Performance Analysis for 3 MW Waste Pressure Steam Turbine Using 2D and 3D Numerical Simulation [PDF]
한국정밀공학회지, 2021 In this study, the design of an axial steam turbine that is installed for a using waste pressure. Airfoils and flow fields are designed based on 1D and 2D meridional plane design techniques.
Hwabhin Kwon +4 more
doaj +1 more source
, 2021 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.
D. Hoseinzade, E. Lakzian, Ali Hashemian
semanticscholar +1 more source