scholarly journals Application Study on Zero Output Technology of Low Pressure Cylinder of 350MW Supercritical Unit

2021 ◽  
Vol 631 ◽  
pp. 012091
Author(s):  
Wei Zheng ◽  
Lingkai Zhu ◽  
Yongqiang Che ◽  
Junshan Guo ◽  
JinXu Lao ◽  
...  
Keyword(s):  
Low Pressure ◽  
Application Study ◽  
Pressure Cylinder

Analysis of the structure of the steam flow in the extraction area of the low-pressure cylinder of a 225 MW steam turbine with an upgraded flow path

2016 ◽  
Vol 19 (1) ◽  
pp. 3-8
Author(s):  
M. Shimanyak ◽  
◽  
A. Gardzilevich ◽  
N. Pashchenko ◽  
I. Nagornyy ◽  
...  
Keyword(s):  
Steam Turbine ◽  
Low Pressure ◽  
Flow Path ◽  
Steam Flow ◽  
Extraction Area ◽  
Pressure Cylinder

An Analysis of Factors Causing Poor Efficiency of the K-200-130 Steam Turbine Low-Pressure Cylinder

Vestnik MEI ◽  
2018 ◽  
Vol 5 (5) ◽  
pp. 8-15
Author(s):  
Arkadiy E. Zariankin ◽  
◽  
Sergey К. Osipov ◽  
Vladislav I. Krutitsky ◽  
◽  
...  
Keyword(s):  
Steam Turbine ◽  
Low Pressure ◽  
Pressure Cylinder

Efficiency of operation of a T-250/300–240 turbine without moving blades of last stages of the low-pressure cylinder

2006 ◽  
Vol 40 (1) ◽  
pp. 38-43
Author(s):  
L. L. Simoyu ◽  
G. D. Barinberg ◽  
V. F. Gutorov
Keyword(s):  
Low Pressure ◽  
Pressure Cylinder

Performance improvement of low-pressure cylinder in high back pressure steam turbine for direct heating

2021 ◽  
Vol 182 ◽  
pp. 116170
Author(s):  
Xiaodong Zhao ◽  
Ang Li ◽  
Youjun Zhang ◽  
Liqun Ma ◽  
Zhihua Ge ◽  
...  
Keyword(s):  
Steam Turbine ◽  
Performance Improvement ◽  
Low Pressure ◽  
Back Pressure ◽  
Direct Heating ◽  
Pressure Steam ◽  
Pressure Cylinder

Combined resonance of low pressure cylinder-generator rotor system with bending-torsion coupling

2011 ◽  
Vol 32 (8) ◽  
pp. 957-972 ◽  
Author(s):  
Jun Li ◽  
Yu-shu Chen
Keyword(s):  
Low Pressure ◽  
Rotor System ◽  
Generator Rotor ◽  
Pressure Cylinder ◽  
Combined Resonance

scholarly journals Justification of nonstandard geometry of exhaust duct of steam turbine low pressure cylinder: case study of K-300-240-2 LMZ

Vestnik IGEU ◽  
2020 ◽  
pp. 5-13
Author(s):  
A.D. Brekotkina ◽  
E.Yu. Semakina ◽  
P.N. Brodnev ◽  
V.A. Chernikov
Keyword(s):  
Vector Fields ◽  
Experimental Studies ◽  
Low Pressure ◽  
Aerodynamic Characteristics ◽  
Steam Turbines ◽  
New Approach ◽  
Exhaust Duct ◽  
Pressure Cylinder ◽  
Sst Turbulence Model

Presently the losses of kinetic energy in the exhaust duct of low-pressure cylinder are considerable, since numerous spacer bars and directing plates are located inside. A fundamentally new approach is required to design the exhaust duct of LPC without internal elements in water passage and providing the decline of losses due to improvement of the diffuser form and collapsible chamber. The flow modeling in the considered exhaust duct design was carried out by the numerical RANS method with the SST turbulence model. To validate the CFD model, the results of the previous experimental studies of the basic design model were used. The comparison of the integral aerodynamic characteristics of the exhaust duct was carried out. For the basic variant of the exhaust duct, the variant without internal elements, and also for the variant without internal elements and with new geometry of the collapsible chamber, according to the results of the numeral experiment, distribution of pressure and vector fields of speeds in the exhaust nozzle are received and the integral parameters of the exhaust duct are defined. Advantage of the integral descriptions of the exhaust duct without internal elements and with a new form of collapsible chamber is proven. They are the coefficient of internal losses of the exhaust duct, the coefficient of kinematics unevenness of the stream, and the coefficient of repressuring in an axial-radial diffuser. It has been established that a new approach of geometry of the exhaust duct of LPC provides the improvement of their aerodynamic qualities when designing new high-powered steam-turbines to operate in TPP and NPP. The advantage of losses decline of energy in the exhaust duct is multiple, because the number of LPC streams in modern seam-turbines can amount up to eight.

Low-Cost Upgrading of Low-Pressure Cylinder in K-300-240 Turbine Considering Variable Turboset Operating Mode

2006 ◽  
Vol 2 (6) ◽  
pp. 49-58
Author(s):  
A. A. Tarelin ◽  
Keyword(s):  
Low Cost ◽  
Operating Mode ◽  
Low Pressure ◽  
Pressure Cylinder

The effectiveness of modernization of the low-pressure cylinder of the T-185/220-12.8 turbine

2007 ◽  
Vol 54 (4) ◽  
pp. 286-291 ◽  
Author(s):  
L. L. Simoyu ◽  
G. D. Barinberg ◽  
E. I. Efros ◽  
V. V. Ermolaev ◽  
L. A. Zhuchenko ◽  
...  
Keyword(s):  
Low Pressure ◽  
Pressure Cylinder
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