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ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition

June 26–30, 2017

Charlotte, North Carolina, USA

Conference Sponsors:

ISBN:

978-0-7918-5095-4

In This Volume

Microturbines, Turbochargers and Small Turbomachines (32)
Steam Turbines (31)

Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines

Microturbines, Turbochargers and Small Turbomachines

Influence of Aerodynamic Mistuning and Aerodynamic Coupling on Vibration Behavior of Mistuned Small Radial Turbine Wheels

David Hemberger, Dietmar Filsinger, Hans-Jörg Bauer

GT 2017; V008T26A001doi:https://doi.org/10.1115/GT2017-63069

Abstract

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Topics: Turbines , Vibration , Wheels , Guide vanes , Blades , Pressure , Vibration measurement , Computational fluid dynamics , Design , Diesel engines

The Wing Foil: A Novel Compliant Radial Foil Bearing Design

Erik E. Swanson, P. Shawn O’Meara

GT 2017; V008T26A002doi:https://doi.org/10.1115/GT2017-63185

Abstract

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Topics: Design , Foil bearings , Wings , Bearings , Cantilevers , Damping , Steam , Vibration

Validation of a Heat Transfer Prediction Approach Inside Turbochargers and its Application on Turbocharged Engine Performance Analysis

Uwe Tomm, Sascha Weiske, Ahmet Coksen, Youness Rafaa, Stefan Münz

GT 2017; V008T26A003doi:https://doi.org/10.1115/GT2017-63195

Abstract

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Topics: Heat transfer , Turbocharged engines , Turbochargers , Energy budget (Physics) , Network models , Engines , Flow (Dynamics) , Temperature , Algorithms , Compressors

Methodology to Evaluate Turbocharger Turbine Performance at High Blade to Jet Speed Ratio Under Quasi Adiabatic Conditions

José Ramón Serrano, Luis Miguel García-Cuevas, Lukas Benjamin Inhestern, Holger Mai, Andrea Rinaldi, Adrian Miguel-Sanchez

GT 2017; V008T26A004doi:https://doi.org/10.1115/GT2017-63360

Abstract

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Topics: Blades , Turbines , Turbochargers , Engines , Compressors , Flow (Dynamics) , Heat transfer , Emissions , Inlet guide vanes , Temperature

Extremely Low Mass Flow at High Blade to Jet Speed Ratio in Variable Geometry Radial Turbines and its Influence on the Flow Pattern: A CFD Analysis

José Ramón Serrano, Antonio Gil, Roberto Navarro, Lukas Benjamin Inhestern

GT 2017; V008T26A005doi:https://doi.org/10.1115/GT2017-63368

Abstract

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Topics: Blades , Computational fluid dynamics , Flow (Dynamics) , Geometry , Turbines , Turbochargers , Design , Engines , Compressors , Engineering simulation

Aerodynamic Optimization of High Pressure Turbine and Interstage Duct in a Two-Stage Air System for a Heavy-Duty Diesel Engine

Uswah Khairuddin, Aaron W. Costall

GT 2017; V008T26A006doi:https://doi.org/10.1115/GT2017-63370

Abstract

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Topics: Diesel engines , Ducts , High pressure (Physics) , Optimization , Turbines , Wheels , Design , Algorithms , Carbon dioxide , Computational fluid dynamics

Methodology to Evaluate the Characteristics of a Twin-Scroll Turbocharger With Various Approaches for the Computation of Thermodynamic Properties

Holger Mai, André Kaufmann

GT 2017; V008T26A007doi:https://doi.org/10.1115/GT2017-63462

Abstract

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Topics: Computation , Turbochargers , Turbines , Compressors , Fluids , Polynomials , Pressure , Boundary-value problems , Engines , Exhaust systems

Introduction of an Integrated Turbo-Electrical Machine

Sebastian Schuster, Christian Kreischer, Dieter Brillert

GT 2017; V008T26A008doi:https://doi.org/10.1115/GT2017-63526

Abstract

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Topics: Machinery , Turbochargers , Turbomachinery , Flow (Dynamics) , Design , Brayton cycle , Compressors , Cycles , Equipment performance , Fluid density

Transient Thrust Forces on a Twin Scroll Turbocharger

Janakiraman Thiyagarajan, Erik Halldorf, Jens Fridh

GT 2017; V008T26A009doi:https://doi.org/10.1115/GT2017-63658

Abstract

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Topics: Thrust , Transients (Dynamics) , Turbochargers , Bearings , Design , Stress , Trucks , Engines , Pressure , Analytical methods

CFD Study of a Micro-Combustor Under Variable Operating Conditions

Maria Cristina Cameretti, Roberta De Robbio, Raffaele Tuccillo

GT 2017; V008T26A010doi:https://doi.org/10.1115/GT2017-63661

Abstract

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Topics: Combustion chambers , Computational fluid dynamics , Fuels , Combustion , Hydrogen , Stress , Carbon , Carbon dioxide , Design , Ejectors

Micro-Gas Turbine Feed With Natural Gas and Synthesis Gas: Variation of the Turbomachines’ Operative Conditions With and Without Steam Injection

Massimiliano Renzi, Carlo Caligiuri, Mosè Rossi

GT 2017; V008T26A011doi:https://doi.org/10.1115/GT2017-63801

Abstract

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Topics: Natural gas , Steam , Syngas , Turbines , Turbomachinery , Compressors , Algorithms , Flow (Dynamics) , Fluids , Pressure

Numerical Investigation of Unsteady Shock Wave Motion in a Transonic Centrifugal Compressor

Richard Amankwa Adjei, Weizhe Wang, Jishen Jiang, Yingzheng Liu, Tomoki Kawakubo

GT 2017; V008T26A012doi:https://doi.org/10.1115/GT2017-63887

Abstract

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Topics: Compressors , Shock waves , Shock (Mechanics) , Diffusers , Flow (Dynamics) , Impellers , Pressure , Boundary layers , Automotive engines , Blades

Study on the Regulation Boundary for Two-Stage Turbocharging System at Different Altitudes

Huiyan Zhang, Hualei Li, Mengyu Li, Lei Shi, Kangyao Deng

GT 2017; V008T26A013doi:https://doi.org/10.1115/GT2017-63923

Abstract

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Topics: Air flow , Air pollution control , Automobiles , Brakes , Calibration , Combustion , Computation , Cylinders , Design , Diesel engines

Superalloy Cooling System for the Composite Rim of an Inside-Out Ceramic Turbine

N. Courtois, F. Ebacher, P. K. Dubois, N. Kochrad, C. Landry, M. Charette, A. Landry-Blais, L. G. Fréchette, J.-S. Plante, M. Picard, B. Picard

GT 2017; V008T26A014doi:https://doi.org/10.1115/GT2017-64007

Abstract

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Topics: Ceramics , Composite materials , Cooling systems , Superalloys , Turbines , Carbon , Blades , Cooling , Flow (Dynamics) , Gas turbines

Variable Geometry Compressors for Heavy Duty Truck Engine Turbochargers

Michael Wöhr, Markus Müller, Johannes Leweux

GT 2017; V008T26A015doi:https://doi.org/10.1115/GT2017-64178

Abstract

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Topics: Compressors , Engines , Geometry , Trucks , Turbochargers , Corporate average fuel economy , Fuel efficiency , Diffusers , Brakes , Design

3-D Computational Loss Analysis of an Asymmetric Volute Twin-Scroll Turbocharger

Torsten Palenschat, Peter Newton, Ricardo F. Martinez-Botas, Markus Müller, Johannes Leweux

GT 2017; V008T26A016doi:https://doi.org/10.1115/GT2017-64190

Abstract

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Topics: Turbochargers , Exhaust gas recirculation , Exhaust systems , Emissions , Turbines , Combustion , Cylinders , Flow (Dynamics) , Nitrogen oxides , Trucks

New Modular Test Rig for Unsteady Performance Assessment of Automotive Turbocharger Turbines

Paul Lyttek, Harald Roclawski, Martin Böhle, Marc Gugau

GT 2017; V008T26A017doi:https://doi.org/10.1115/GT2017-64218

Abstract

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Topics: Turbines , Turbochargers , Engines , Exhaust systems , Inflow , Gas flow , Test facilities , Testing , Transients (Dynamics)

Operation and Flame Observation of Micro Gas Turbine Firing Ammonia

Norihiko Iki, Osamu Kurata, Takayuki Matsunuma, Takahiro Inoue, Taku Tsujimura, Hirohide Furutani, Hideaki Kobayashi, Akihiro Hayakawa

GT 2017; V008T26A018doi:https://doi.org/10.1115/GT2017-64250

Abstract

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Topics: Firing , Flames , Micro gas turbines , Emissions , Combustion chambers , Nitrogen oxides , Energy generation , Combustion , Methane , Gas turbines

Correcting Turbocharger Performance Measurements for Heat Transfer and Friction

Mario Schinnerl, Jan Ehrhard, Mathias Bogner, Joerg Seume

GT 2017; V008T26A019doi:https://doi.org/10.1115/GT2017-64283

Abstract

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Topics: Friction , Heat transfer , Turbochargers , Compressors , Turbines , Thermomechanics , Combustion , Engineering simulation , Engines , Flow (Dynamics)

A Comparison of Small-Scale Gas Turbine Control Schemes

Ahti Jaatinen-Värri, Jari Backman, Juha Honkatukia, Matti Malkamäki

GT 2017; V008T26A020doi:https://doi.org/10.1115/GT2017-64329

Abstract

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Topics: Gas turbines , Stress , Combined heat and power , Distributed power generation , Machinery , Biogas , Electrical efficiency , Energy generation , Fuels , Generators

Development of Efficient Compressors for Turbochargers

Dhinagaran Ramachandran, Balamurugan Mayandi, Seran Krishnamoorthy, Gopalakrishnan Mani, Vasudevan Ramesh, Swathi Chitra Lakshmanan

GT 2017; V008T26A021doi:https://doi.org/10.1115/GT2017-64359

Abstract

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Topics: Compressors , Turbochargers , Design , Flow (Dynamics) , Computational fluid dynamics , Corporate average fuel economy , Diesel engines , Emissions , Engineering prototypes , Finite element analysis

Three Spool High Efficiency Small Scale Gas Turbine Concept

Matti Malkamäki, Ahti Jaatinen-Värri, Antti Uusitalo, Aki Grönman, Juha Honkatukia, Jari Backman, Toni Hartikainen

GT 2017; V008T26A022doi:https://doi.org/10.1115/GT2017-64361

Abstract

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Topics: Gas turbines , Electrical efficiency , Piston engines , Distributed power generation , Energy generation , Heat , Turbines , Compressors , Construction , Design

Experimental Investigation of an Inverted Brayton Cycle Micro Gas Turbine for CHP Application

Eleni Agelidou, Thomas Monz, Andreas Huber, Manfred Aigner

GT 2017; V008T26A023doi:https://doi.org/10.1115/GT2017-64490

Abstract

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Topics: Brayton cycle , Combined heat and power , Micro gas turbines , Flow (Dynamics) , Pressure , Cogeneration systems , Emissions , Stress , Turbochargers , Cycles

Continuous Closed-Loop Transonic Linear Cascade for Aero-Thermal Performance Studies in Micro-Turbomachinery

E. Yakirevich, R. Miezner, B. Leizeronok, B. Cukurel

GT 2017; V008T26A024doi:https://doi.org/10.1115/GT2017-64562

Abstract

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Topics: Cascades (Fluid dynamics) , Turbomachinery , Design , Manufacturing , Boundary layers , Dimensions , Engines , Flow (Dynamics) , Geometry , Heat transfer

Experimental and Numerical Investigations of Turbocharger Rotors on Full-Floating Ring Bearings With Circumferential Oil-Groove

Ioannis Chatzisavvas, Gerrit Nowald, Bernhard Schweizer, Panagiotis Koutsovasilis

GT 2017; V008T26A025doi:https://doi.org/10.1115/GT2017-64628

Abstract

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Topics: Bearings , Rotors , Turbochargers , Pressure , Simulation , Temperature , Thermal energy , Computer simulation , Dynamics (Mechanics) , Energy dissipation

Inverted Brayton Cycle With Exhaust Gas Condensation

Ian Kennedy, Zhihang Chen, Bob Ceen, Simon Jones, Colin D. Copeland

GT 2017; V008T26A026doi:https://doi.org/10.1115/GT2017-64695

Abstract

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Topics: Brayton cycle , Condensation , Exhaust systems , Temperature , Water , Turbines , Compressors , Gases , Coolants , Pressure drop

Redesign of a Compressor Stage for a High-Performance Electric Supercharger in a Heavily Downsized Engine

Peng Wang, Mehrdad Zangeneh, Bryn Richards, Kevin Gray, James Tran, Asuquo Andah

GT 2017; V008T26A027doi:https://doi.org/10.1115/GT2017-64732

Abstract

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Topics: Compressors , Engines , Superchargers , Impellers , Pressure , Surges , Blades , Computational fluid dynamics , Design , Design methodology

A One-Dimensional Gas Dynamics Code for Turbocharger Turbine Pulsating Flow Performance Modelling

Adam Feneley, Apostolos Pesiridis, Hua Chen

GT 2017; V008T26A028doi:https://doi.org/10.1115/GT2017-64743

Abstract

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Topics: Gasdynamics , Modeling , Pulsatile flow , Turbines , Turbochargers , Engines , Heat transfer , Emissions , Rotors , Exhaust systems

Conceptual Design of an Axial Turbocharger Turbine

Apostolos Pesiridis, Antonio Ferrara, Raffaele Tuccillo, Hua Chen

GT 2017; V008T26A029doi:https://doi.org/10.1115/GT2017-64825

Abstract

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Topics: Conceptual design , Turbines , Turbochargers , Engines , Flow (Dynamics) , Design , Rotors , Transients (Dynamics) , Axial flow , Computational fluid dynamics

The Influence of Lubricant Supply Conditions and Bearing Configuration on the Performance of (Semi) Floating Ring Bearing Systems for Turbochargers

Luis San Andrés, Feng Yu, Kostandin Gjika

GT 2017; V008T26A030doi:https://doi.org/10.1115/GT2017-64839

Abstract

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Topics: Bearings , Lubricants , Turbochargers , Flow (Dynamics) , Temperature , Pressure , Heat , Thermal energy , Drag (Fluid dynamics) , Shear (Mechanics)

Regenerative Hydraulic Assisted Turbocharger

Tao Zeng, Devesh Upadhyay, Harold Sun, Eric Curtis, Guoming G. Zhu

GT 2017; V008T26A031doi:https://doi.org/10.1115/GT2017-64927

Abstract

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Topics: Turbochargers , Engines , Corporate average fuel economy , Fuel efficiency , Engineering simulation , Simulation , Cycles , Design , Torque , Transients (Dynamics)

Implementing Full Electric Turbocharging Systems on Highly Boosted Gasoline Engines

Q. Zhang, P. Lu, P. Dimitriou, S. Akehurst, C. Copeland, M. Zangeneh, B. Richards, G. Fowler

GT 2017; V008T26A032doi:https://doi.org/10.1115/GT2017-64960

Abstract

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Topics: Gasoline engines , Engines , Compressors , Turbines , Turbochargers , Cycles , Internal combustion engines , Transients (Dynamics) , Turbogenerators , Carbon

Steam Turbines

Validation Analysis of High Pressure Turbine Creep Deformation for Ultra-Supercritical Steam Turbine

Shifang Wu, Yongzhao Chen, Yanlei Yang, Yu Zhu, Yang Liu, Yizhang Fan

GT 2017; V008T29A001doi:https://doi.org/10.1115/GT2017-63059

Abstract

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Topics: Creep , High pressure (Physics) , Steam turbines , Turbines , Finite element methods , Power stations , Deformation , Design , Energy generation , Simulation

Development of Improvements to “Controlled Flow” Technology for Large Steam Turbines

B. R. Haller, G. Singh, P. R. Millington, F. C. Mund, K. Vernon

GT 2017; V008T29A002doi:https://doi.org/10.1115/GT2017-63130

Abstract

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Topics: Flow (Dynamics) , Steam turbines , Design , Turbines , Blades , Deflection , Diaphragms (Mechanical devices) , Diaphragms (Structural) , Fluids , Impulse (Physics)

Cracking Analysis of Intermediate Pressure Inlet Diffuser in 1000MW Steam Turbine Units

Gang Chen, Junhui Zhang, Xingzhu Ye, Chunlei Ma

GT 2017; V008T29A003doi:https://doi.org/10.1115/GT2017-63224

Abstract

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Topics: Cracking (Materials) , Diffusers , Fracture (Process) , Pressure , Steam turbines , Fracture (Materials) , Exhaust systems , Design , Steam , Temperature

Detailed Numerical Study of the Main Sources of Loss and Flow Behavior in Low Pressure Steam Turbine Exhaust Hoods

Dickson Munyoki, Markus Schatz, Damian M. Vogt

GT 2017; V008T29A004doi:https://doi.org/10.1115/GT2017-63269

Abstract

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Topics: Exhaust systems , Flow (Dynamics) , Pressure , Steam turbines , Diffusers , Energy dissipation , Condensers (steam plant) , Vortices , Design , Flow turning

Influence of a Cylindrical Exhaust Hood Installation on the Last Stage Rotor Blades of a Low Pressure Model Steam Turbine

Fabian F. Müller, Markus Schatz, Damian M. Vogt, Jens Aschenbruck

GT 2017; V008T29A005doi:https://doi.org/10.1115/GT2017-63280

Abstract

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Topics: Blades , Exhaust systems , Pressure , Rotors , Steam turbines , Flow (Dynamics) , Vibration , Pressure measurement , Turbines , Cylinders

Development of 1500-r/min 75-Inch Ultra-Long Last Stage Blades for Nuclear Steam Turbine

Deqi Yu, Jiandao Yang, Wei Lu, Daiwei Zhou, Kai Cheng, Rui Yang

GT 2017; V008T29A006doi:https://doi.org/10.1115/GT2017-63325

Abstract

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Topics: Blades , Steam turbines , Computer-aided engineering , Computational fluid dynamics , Design , Finite element analysis , Rotating blades , Stress , Vibration , Airfoils

On the Impact of Simulation Approaches on the Predicted Aerodynamic Damping of a Low Pressure Steam Turbine Rotor

Christopher Fuhrer, Damian M. Vogt

GT 2017; V008T29A007doi:https://doi.org/10.1115/GT2017-63401

Abstract

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Topics: Damping , Pressure , Rotors , Simulation , Steam turbines , Blades , Flutter (Aerodynamics) , Geometry , Stability , Traveling waves

A Methodology for a Detailed Loss Prediction in Low Pressure Steam Turbines

Marius Grübel, Robin M. Dovik, Markus Schatz, Damian M. Vogt

GT 2017; V008T29A008doi:https://doi.org/10.1115/GT2017-63404

Abstract

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Topics: Pressure , Steam turbines , Simulation , Entropy , Boundary layers , Computational fluid dynamics , Equilibrium (Physics) , Evaluation methods , Flow (Dynamics) , Shock (Mechanics)

Measurements of the Leakage Through a High Pressure Steam Turbine Power Plant Gland Seal

Peter Stein, Dominik Born, Martin König

GT 2017; V008T29A009doi:https://doi.org/10.1115/GT2017-63405

Abstract

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Topics: High pressure (Physics) , Leakage , Power stations , Steam turbines , Manufacturing , Sealing (Process) , Carbon dioxide , Design , Industrial research , Machinery

Optimization Designs of Front Stage Nozzles in a LP Steam Turbine

X. Wu, G. L. Deng, X. Q. Du, P. F. Zhang

GT 2017; V008T29A010doi:https://doi.org/10.1115/GT2017-63466

Abstract

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Topics: Nozzles , Optimization , Steam turbines , Design , Diluents , Blades , Cascades (Fluid dynamics) , Diffusion (Physics) , Manufacturing , Separation (Technology)

Aerodynamic Optimization Design of Last Stage Long Blade for Steam Turbine Using Self-Adaptive Differential Evolution Algorithms and RANS Solutions

Mingyan Yin, Jun Li, Liming Song, Bin Li, Gangyun Zhong, Xiaoping Fan, Qi Sun, Zhenping Feng

GT 2017; V008T29A011doi:https://doi.org/10.1115/GT2017-63502

Abstract

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Topics: Blades , Design , Evolutionary algorithms , Optimization , Reynolds-averaged Navier–Stokes equations , Steam turbines , Cylinders , Flow (Dynamics) , Pressure , Airfoils

Integrated Approach for Steam Turbine Thermo-Structural Analysis and Lifetime Prediction at Transient Operations

Leonid Moroz, Glenn Doerksen, Fernando Romero, Roman Kochurov, Boris Frolov

GT 2017; V008T29A012doi:https://doi.org/10.1115/GT2017-63547

Abstract

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Topics: Steam turbines , Transients (Dynamics) , Rotors , Turbines , Flow (Dynamics) , Power stations , Simulation , Steam , Stress , Temperature

Optimization of the Vibration Behavior at Speed-Synchronous Resonance of a Large Turbine Blade During Speed-Up and Coast-Down Under Consideration of Mistuning

Bertold Lübbe, Christian Siewert

GT 2017; V008T29A013doi:https://doi.org/10.1115/GT2017-63550

Abstract

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Topics: Optimization , Resonance , Shorelines , Turbine blades , Vibration , Blades , Excitation , Rotors , Transients (Dynamics) , Turbines

Numerical Investigation of the Heat Transfer and Flow Phenomena in an IP Steam Turbine in Warm-Keeping Operation With Hot Air

Dennis Toebben, Piotr Łuczyński, Mathias Diefenthal, Manfred Wirsum, Stefan Reitschmidt, Wolfgang F. D. Mohr, Klaus Helbig

GT 2017; V008T29A014doi:https://doi.org/10.1115/GT2017-63555

Abstract

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Topics: Flow (Dynamics) , Heat transfer , Steam turbines , Engineering simulation , Simulation , Steady state , Computational fluid dynamics , Heat transfer coefficients , Transients (Dynamics) , Turbines

Numerical Investigation and Validation of the 1 090 MW Steam Turbine Exhaust Hood Flow Field

A. Živný, A. Macálka, M. Hoznedl, K. Sedlák, M. Hajšman, M. Kolovratník

GT 2017; V008T29A015doi:https://doi.org/10.1115/GT2017-63576

Abstract

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Topics: Exhaust systems , Flow (Dynamics) , Steam turbines , Diffusers , Computational fluid dynamics , Pressure , Turbines , Nuclear power stations , Steam , Blades

Assessment of Unsteadiness Modelling for Transient Natural Convection

M. Fadl, L. He, P. Stein, G. Marinescu

GT 2017; V008T29A016doi:https://doi.org/10.1115/GT2017-63592

Abstract

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Topics: Modeling , Natural convection , Transients (Dynamics) , Numerical stability , Stability , Cooling , Design , Flow (Dynamics) , Heat conduction , Heat transfer

Prediction of Stress Relaxation in Power Plant Components Based on a Constitutive Model

Y. Kostenko, K. Naumenko

GT 2017; V008T29A017doi:https://doi.org/10.1115/GT2017-63608

Abstract

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Topics: Constitutive equations , Power stations , Relaxation (Physics) , Stress , Creep , Steel , Hardening , Materials properties , Modeling , Temperature

Development of a Last Stage Blade Row Coupled by Damping Elements: Numerical Assessment of its Vibrational Behavior and its Experimental Validation During Spin Pit Measurements

Christian Siewert, Frank Sieverding, William J. McDonald, Manish Kumar, James R. McCracken

GT 2017; V008T29A018doi:https://doi.org/10.1115/GT2017-63630

Abstract

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Topics: Blades , Damping , Particle spin , Rotation , Spin (Aerodynamics) , Stress , Steam , Vibration , Airfoils , Centrifugal force

Stress Corrosion Cracking in Steam Turbine: Two Case Studies

Vamadevan Gowreesan, Kirill Grebinnyk

GT 2017; V008T29A019doi:https://doi.org/10.1115/GT2017-63665

Abstract

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Topics: Steam turbines , Stress corrosion cracking , Fracture (Materials) , Fracture (Process) , Disks , Blades , Steam , Failure , Stress , Fracture toughness

The Use of Air-Measured Profile Data for Application in a High Pressure Steam Turbine

Marcus Britz, Peter Jeschke, Oliver Brunn, Thomas Polklas

GT 2017; V008T29A020doi:https://doi.org/10.1115/GT2017-63667

Abstract

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Topics: High pressure (Physics) , Steam turbines , Blades , Reynolds number , Wind tunnels , Cascades (Fluid dynamics) , Engineering simulation , Simulation , Steam , Computational fluid dynamics

Thermal Stress and Deformation Analysis of HP Casing During Shutdown of CPR1000 Nuclear Steam Turbine

Yanan Guo, Danmei Xie

GT 2017; V008T29A021doi:https://doi.org/10.1115/GT2017-63902

Abstract

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Topics: Deformation , Steam turbines , Thermal stresses , Temperature , Heat transfer coefficients , Boundary-value problems , Computer software , Convection , Finite element methods , Radiative heat transfer

Analysis on Solid Particle Erosion in the Governing Stage of a High-Parameter Steam Turbine

Peng-fei Hu, Yong Li, Li-hua Cao, Tao Zhang

GT 2017; V008T29A022doi:https://doi.org/10.1115/GT2017-63946

Abstract

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Topics: Erosion , Particulate matter , Steam turbines , Blades , Stators , Flow (Dynamics) , Rotors , Maintenance , Pressure , Steam

Numerical Tests on the Effect Factors of the Last Stage Blade for Low Pressure Exhaust Hood Simulation

Liu Meng, Chen Yang, Zhong Zhuhai, Zhang Xiaodan, Deng Guoliang, Mingyan Yin, Jun Li, Qi Sun

GT 2017; V008T29A023doi:https://doi.org/10.1115/GT2017-63964

Abstract

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Topics: Blades , Exhaust systems , Pressure , Simulation , Flow (Dynamics) , Jets , Boundary-value problems , Design , Computer simulation , Engineers

Investigation of Tip Clearance Flow Effects on an Open 3D Steam Turbine Flutter Test Case

Tianrui Sun, Paul Petrie-Repar, Di Qi

GT 2017; V008T29A024doi:https://doi.org/10.1115/GT2017-64021

Abstract

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Topics: Clearances (Engineering) , Flow (Dynamics) , Flutter (Aerodynamics) , Steam turbines , Blades , Leakage , Rotors , Leakage flows , Shock (Mechanics) , Stability

Experimental Investigation of the Grouped Blade Vibration for Steam Turbine by Non-Contact Sensors

Tomomi Nakajima, Kiyoshi Segawa, Hiromichi Kitahara, Akimitsu Seo, Yutaka Yamashita, Takeshi Kudo

GT 2017; V008T29A025doi:https://doi.org/10.1115/GT2017-64047

Abstract

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Topics: Blades , Sensors , Steam turbines , Vibration , Manufacturing , Air jets , Magnification , Materials properties , Pressure , Strain gages

Identification of Torsional Natural Frequencies and Damping As Well As Prediction of Stress Amplitudes at a Nuclear Power Train

Roland Grein, Ulrich Ehehalt, Ingo Balkowski

GT 2017; V008T29A026doi:https://doi.org/10.1115/GT2017-64133

Abstract

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Topics: Damping , Nuclear power , Stress , Trains , Vibration , Torque , Turbogenerators , Energy generation , Finite element analysis , Ocean engineering

Numerical Investigation and Shape Design Improvement of a Turbine Inlet Combined Valve

Dongting Ye, Jiaobin Ma, Yonghui Xie, Di Zhang, Sihua Xu

GT 2017; V008T29A027doi:https://doi.org/10.1115/GT2017-64141

Abstract

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Topics: Shape design , Turbines , Valves , Pressure , Shapes , Optimization , Computer simulation , Energy dissipation , Entropy , Flow (Dynamics)

Quantification of Stator Blade Shape Influence on Non-Equilibrium Condensation in Low-Pressure Steam Turbine

Giteshkumar Patel, Yogini Patel, Teemu Turunen-Saaresti, Aki Grönman

GT 2017; V008T29A028doi:https://doi.org/10.1115/GT2017-64278

Abstract

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Topics: Blades , Condensation , Equilibrium (Physics) , Pressure , Shapes , Stators , Steam turbines , Flow (Dynamics) , Steam , Cascades (Fluid dynamics)

Investigation Into the Thermal Limitations of Steam Turbines During Start-Up Operation

Monika Topel, Björn Laumert, Åsa Nilsson, Markus Jöcker

GT 2017; V008T29A029doi:https://doi.org/10.1115/GT2017-64281

Abstract

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Topics: Steam turbines , Design , Turbines , Concentrating solar power , Low cycle fatigue , Machinery , Power stations , Thermal properties , Thermal stresses , Thermomechanics

Demonstration of a Dynamic Clearance Seal in a Rotating Test Facility

Andrew Messenger, Richard Williams, Grant Ingram, Simon Hogg, Stacie Tibos, Jon Seaton, Bernard Charnley

GT 2017; V008T29A030doi:https://doi.org/10.1115/GT2017-64285

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Topics: Clearances (Engineering) , Test facilities , Rotors , Steam turbines , Turbines , Damage , Design , Leakage , Steam , Testing

Experimental and Numerical Investigation of the Performance Impact of a Heavily Off-Design Inlet Swirl Angle in a Steam Turbine Stage

Berardo Paradiso, Giacomo Gatti, Alessandro Mora, Vincenzo Dossena, Lorenzo Arcangeli, Nicola Maceli, Juri Bellucci

GT 2017; V008T29A031doi:https://doi.org/10.1115/GT2017-64561

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Topics: Design , Steam turbines , Machinery , Blades , Computer simulation , Flanges , Probes , Boundary-value problems , Computational fluid dynamics , Entropy

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