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Failure investigations of last stage low-pressure steam turbine blade
This research study examines the failure of the last stage low-pressure steam turbine blade. The blade is made up of martensitic steel of X10CR...
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Lifetime Assessment of a Low-Pressure Steam Turbine Blade
PurposeThis work proposes a multilayer methodology for assessing the lifetime of steam turbine blades based on damage calculation, fracture mechanics...
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Modeling and Analysis of Low-Pressure Steam Turbine Blade
The rotor blades are very crucial component in the steam turbine, and any failures that occur, particularly in the final stages of the low-pressure...
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Effects of Reynolds number on the flow field in a low-pressure turbine with incoming wakes
In order to further understand the effects of the Reynolds number on the flow field within a low-pressure turbine with incoming wakes, the transition...
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Fatigue Life Evaluation of a Low-Pressure Stage Steam Turbine Blade
PurposeThe main purposes of this study are as follows: A steam power plant's capacity to sustain reliability and safety in the face of repeated...
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Effect of axial extension on parameterized endwall contour with incidence change for low-pressure turbine linear cascade
Non-axisymmetric endwall (NAEW) contouring method has shown promising results to reduce secondary losses using both experimental and numerical...
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Large Eddy Simulation of a Low-Pressure Turbine Cascade with Turbulent End Wall Boundary Layers
We present results of implicit large eddy simulation (LES) and different Reynolds-averaged Navier–Stokes (RANS) models of the MTU 161 low pressure...
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Vibration analysis and parametric identification of low-pressure steam turbine blade with crack using ANN
The structural integrity of steam turbine blades is crucial for successful operation and power generation. These blades are subjected to various...
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Numerical prediction of largely separated flows in low-pressure turbine blades with high loading
Low-pressure turbine blades pose a great challenge for designers as they are highly loaded and are prone to large flow separations at sufficiently...
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Transition Modelling For Flow Separation In Low-Pressure Turbine Cascades
Low-pressure turbine (LPT) blades at high altitude present complex flow situations due to presence of separation and subsequent transition. These...
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Low-pressure turbine blade leading edge protection using robotic laser cladding technology
Low-pressure turbine blades are the most erosion-exposed moving parts of the steam turbine. This article brings a detailed overview of an innovative...
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Influence of swirl and ingress on windage losses in a low-pressure turbine stator-well cavity
As part of the drive towards achieving net-zero flight by 2050, the development of ultra-high bypass ratio engines will place greater importance on...
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Aerodynamic Optimization of a Low Pressure Exhaust Hood of Steam Turbine Using Bayesian Optimization
The exhaust hood, an essential component of the turbine with large aerodynamic losses, significantly impacts the turbine performance. With the...
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Peripheral air jet injection at part load operation of a low head Francis turbine
The rotating vortex rope in the flow field generates low-frequency, high-amplitude pulsations at part load (PL) operation of a Francis turbine. These...
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Large Eddy Simulation of a Low Pressure Turbine Cascade with Turbulent End Wall Boundary Layers
We present first results of an implicit large eddy simulation of the MTU T161 low pressure turbine at a Reynolds number of 90,000 and Mach number of...
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Finite element modeling aspects in the fracture assessment of a low pressure steam turbine blade
Blade damage is a common problem in the service of turbines that may cause severe effect on production, economy and human life. Thus, it becomes very...
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Static Analysis of a Low-Pressure Stage Blade of a Steam Turbine Using ANSYS
Under normal working conditions, the turbine blades are subjected to a steam load and centrifugal force. The steam load acts on the blade surface in...
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Correlation analysis of cavitation-induced pressure pulsation and vibration in a bulb turbine
Cavitation is one of the main causes of deteriorating stability of bulb turbines. To enhance their stability, this study examines the effects of...
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Effect of guide vane profile on the hydraulic performance of moderate low-specific-speed Francis turbine
The matching between the guide vane (GV) and runner is essential for the stable and efficient operation of hydraulic turbines. To investigate the...
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Three-dimensional pressure field measurement on turbine guide vanes using a dynamic distortion correction endoscopic pressure-sensitive paint technique
Pressure-sensitive paint (PSP) measurement for turbine blades and vanes is often limited by the optical window and occlusion of the complex blade...
