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Hybrid modelling and digital twin development of a steam turbine control stage for online performance monitoring

, 2020
Increasingly tight integration of renewable power sources with thermal power sources leads to frequent operation at off-design modes of thermal power plants.
Jianxi Yu, Pei Liu, Zheng Li
semanticscholar   +1 more source

A comprehensive investigation of finding the best location for hot steam injection into the wet steam turbine blade cascade

, 2020
In the power plant industry, a major part of energy losses in the thermodynamic cycle is related to the steam turbines, which are not made to work with wet steam flow, and the presence of the liquid phase causes efficiency reduction and mechanical ...
M. Aliabadi   +3 more
semanticscholar   +1 more source

Introducing an integrated SOFC, linear Fresnel solar field, Stirling engine and steam turbine combined cooling, heating and power process

International journal of hydrogen energy, 2019
A new integrated combined cooling, heating and power system which includes a solid oxide fuel cell, Stirling engine, steam turbine, linear Fresnel solar field and double effect absorption chiller is introduced and investigated from energy, exergy and ...
M. Marefati, M. Mehrpooya, S. Mousavi
semanticscholar   +1 more source

Failure analysis and damage causes of a steam turbine blade of 410 martensitic stainless steel after 165,000 h of working

, 2020
Due to the special working environment of steam turbine blades, such as high temperature and cyclic stresses, they are routinely under heavy damage conditions. Of the most applicable of the alloy used in such blades are martensitic stainless steels which
A. Rivaz   +2 more
semanticscholar   +1 more source

Exergy analysis of a steam-turbine power plant using thermocombustion

, 2020
This paper deals with the exergy analysis of a thermal power plant using different fuels, including biodiesel. The main goal is to understand the effect of design parameters and chemical dissociation of combustion products on energy and exergy ...
J. Zueco   +3 more
semanticscholar   +1 more source

An integrated de-carbonization supercritical coal-fired power plant incorporating a supplementary steam turbine, process heat recovery and a modified boiler structure

, 2020
Monoethanolamine (MEA) based CO2 capture in coal-fired power plants would consume a huge amount of the steam bleed from the steam turbines for the solvent regeneration.
ChengĀ Xu, Xiaosa Li, X. Liu, Jun Li
semanticscholar   +1 more source

Entropy and exergy analysis of steam passing through an inlet steam turbine control valve assembly using artificial neural networks

, 2020
This paper describes the entropy and exergy analysis of an inlet steam turbine control valve assembly (ISTCVA) and presents a novel concept of design guidelines on the selection of an appropriate ISTCVA at a thermal power plant.
M. Agrež, J. Avsec, Dusan Strusnik
semanticscholar   +1 more source

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

, 2020
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 turbine designers.
M. Aliabadi   +3 more
semanticscholar   +1 more source

Numerical investigation of novel dehumidification strategies in nuclear plant steam turbine based on the modified nucleation model

International Journal of Multiphase Flow, 2019
To decrease the wetness loss and increase the safety in nuclear plant steam turbine, several novel dehumidification strategies are presented in this paper and the dehumidification effect is tested by employing the modified model.
Guojie Zhang   +5 more
semanticscholar   +1 more source

Exergoeconomic analysis and determination of power cost in MCFC – steam turbine combined cycle

International journal of hydrogen energy, 2019
A novel combined molten carbonate fuel cell – steam turbine based system is proposed herein. In this cycle, steam is produced through the recovery of useful heat of an internal reforming MCFC and operates as work fluid in a Rankine cycle.
Fellipe Sartori da Silva   +1 more
semanticscholar   +1 more source

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