Integration of machine learning to increase steam turbine condenser vacuum and efficiency through gasket resealing and higher heat extraction into the atmosphere
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DOI: 10.1002/er.7375
Abstract: In large thermal power facilities, thermal machines mainly fitted with steam turbines are used in thermodynamic process of converting thermal energy into mechanical work. In order to improve the efficiency of heat energy conversion into… read more here.
Keywords: turbine; turbine condenser; vacuum; steam turbine ... See more keywords
Evaluation of the Residual Service Life of a Disk of the Rotor of Steam Turbine with Regard for the Number of Shutdowns of the Equipment
Sign Up to like & getrecommendations! Published in 2018 at "Materials Science"
DOI: 10.1007/s11003-018-0118-y
Abstract: A method for the evaluation of the residual service life of a disk of steam turbine is proposed with regard for the startups and shutdowns in the process of operation (maneuvering mode) on the basis… read more here.
Keywords: evaluation residual; life disk; residual service; steam turbine ... See more keywords
The effect of hub leakage on the aerodynamic performance of high-pressure steam turbine stages
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Mechanical Science and Technology"
DOI: 10.1007/s12206-016-1247-6
Abstract: In a steam turbine, leakage occurs at the gap between the rotor shafts and diaphragms and is injected into the main stream at the inlet of the rotor blade. Although this hub leakage flow is… read more here.
Keywords: leakage flow; turbine; leakage; hub leakage ... See more keywords
A study on the optimal arrangement of tube bundle for the performance enhancement of a steam turbine surface condenser
Sign Up to like & getrecommendations! Published in 2020 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2019.114681
Abstract: Abstract A porous medium model was used for numerical and experimental investigations of a system that includes a tube bundle inside a steam turbine surface condenser. A condensation model was developed to predict the condenser… read more here.
Keywords: condenser; steam turbine; tube bundle; performance ... See more keywords
On the performance enhancement of thermo-compressor and steam turbine blade cascade in the presence of spontaneous nucleation
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DOI: 10.1016/j.energy.2016.11.022
Abstract: In the present study, increasing the performance of thermo-compressors and steam turbines by volumetric cooling and inlet superheating is addressed. The efficacies of these two proposed methods are assessed using a numerical code developed based… read more here.
Keywords: thermo compressor; spontaneous nucleation; steam turbine; turbine blade ... See more keywords
Corrosion fatigue failure of steam turbine moving blades: A case study
Sign Up to like & getrecommendations! Published in 2019 at "Engineering Failure Analysis"
DOI: 10.1016/j.engfailanal.2019.08.002
Abstract: Abstract This paper describes the failure of a rotor of a condensing industrial steam turbine installed in a fertilizer production plant. There was a fracture of the two adjacent rotor blades in their roots. An… read more here.
Keywords: steam turbine; turbine; failure; corrosion ... See more keywords
Estimation of efficiency of vibration damage detection in stepped shaft of steam turbine
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DOI: 10.1016/j.epsr.2017.09.012
Abstract: Abstract The vibration based damage detection has practically no alternative as applied to the rotating shafts of steam turbines during operation. However, taking into account the heavy operating conditions of turbines and the complex shape… read more here.
Keywords: vibration; steam turbine; damage detection; steam ... See more keywords
Creep life assessment method for online monitoring of steam turbine rotors
Sign Up to like & getrecommendations! Published in 2019 at "Materials at High Temperatures"
DOI: 10.1080/09603409.2019.1570701
Abstract: ABSTRACT The principal objective of work was to develop fast and accurate method for online creep life monitoring of steam turbine rotors. For this purpose, a characteristic strain model of creep was investigated and validated… read more here.
Keywords: turbine rotors; monitoring steam; method online; creep life ... See more keywords
Prototype Steam Turbine for Solar Power Production
Sign Up to like & getrecommendations! Published in 2020 at "Advances in Materials Science and Engineering"
DOI: 10.1155/2020/4589281
Abstract: Fabrication of a prototype direct drive steam turbine using locally available materials provides a means to supply power and process heat for off-grid areas, which are not accessible due to rugged terrain. The use of… read more here.
Keywords: turbine; power; steam turbine; prototype ... See more keywords
Effects of leakage vortex on aerodynamic performance and loss mechanism of steam turbine
Sign Up to like & getrecommendations! Published in 2019 at "Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy"
DOI: 10.1177/0957650919831916
Abstract: To avoid friction, a clearance between the rotor blade tip and the cylinder is needed in a steam turbine. As a result, the leakage flow is formed under the pressure difference which mixes with the… read more here.
Keywords: steam turbine; leakage flow; steam; loss ... See more keywords
Computational investigation of multi-phase flow effects on the performance of the steam turbine exhaust hood
Sign Up to like & getrecommendations! Published in 2020 at "Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy"
DOI: 10.1177/0957650920914808
Abstract: In this research work, a computational modeling of multi-phase flow through an asymmetric exhaust hood is presented. The three-dimensional Navier–Stokes equations along with the standard k - ɛ turbulent model and the Eulerian–Eulerian multi-phase equations… read more here.
Keywords: exhaust hood; steam turbine; hood; turbine exhaust ... See more keywords