Volumes | Turbo Expo: Power for Land, Sea, and Air | American Society of Mechanical Engineers Digital Collection

Topics: Engines , Design , Navy , Testing , Control equipment , Electronics , Gas turbines , Power systems (Machinery) , Reliability , Shock (Mechanics)

MT30: The Heart of Future Integrated Power and Propulsion Systems

Oliver Rath

GT 2014; V01BT23A008doi:https://doi.org/10.1115/GT2014-26799

Abstract

View Article

PDF

Topics: Propulsion systems , Navy , Propulsion , Design , Gas turbines , Marine gas turbines , Redundancy (Engineering)

Transfer of the DDG-51 Ship Service Gas Turbine Generator (SSGTG) Marine Electrical Power System Assembly and Installation to the Republic of Korea Navy KDX-III Destroyer Program

Jesse Shaw, Sungon Kim

GT 2014; V01BT23A009doi:https://doi.org/10.1115/GT2014-27082

Abstract

View Article

PDF

Topics: Electricity (Physics) , Gas turbines , Generators , Manufacturing , Navy , Ships , Engines , Licensing , Engineering drawings , Governments

Microturbines, Turbochargers and Small Turbomachines

Five-Axis Flank Milling for Design and Manufacture of Turbocharger Compressor Impeller

QingZhen Bi, Hua Chen, Xueqi Zou, LiMin Zhu, Han Ding

GT 2014; V01BT24A001doi:https://doi.org/10.1115/GT2014-25014

Abstract

View Article

PDF

Topics: Compressor impellers , Design , Milling , Turbochargers , Impellers , Manufacturing , Machining , Approximation , Blades , Casting

Identification of Mistuning for Casted Turbine Wheels of Small Size

David Hemberger, Dietmar Filsinger, Hans-Jörg Bauer

GT 2014; V01BT24A002doi:https://doi.org/10.1115/GT2014-25099

Abstract

View Article

PDF

Topics: Turbines , Wheels , Shapes , Blades , Casting , Manufacturing , Turbochargers , Vibration , Blanks , Compressors

Methodology to Characterize Heat Transfer Phenomena in Small Automotive Turbochargers: Experiments and Modelling Based Analysis

J. R. Serrano, P. Olmeda, F. J. Arnau, A. Dombrovsky, L. Smith

GT 2014; V01BT24A003doi:https://doi.org/10.1115/GT2014-25179

Abstract

View Article

PDF

Topics: Heat transfer , Modeling , Turbochargers , Fluids , Flux (Metallurgy) , Heat , Temperature , Capacitance , Compressors , Emissions

Mathematical Model of Two-Stage Turbocharging Gasoline Engine Propeller Propulsion System and Analysis of Its Flying Characteristic

Peng Shan, Yicheng Zhou, Dexuan Zhu

GT 2014; V01BT24A004doi:https://doi.org/10.1115/GT2014-25193

Abstract

View Article

PDF

Topics: Gasoline engines , Propellers , Propulsion systems , Simulation , Turbochargers , Algebra , Collaboration , Design , Diesel engines , Engines

Experimental and Analytical Investigations of Dynamic Characteristics of Magnetorheological and Nano Magnetorheological Fluid Film Journal Bearing

Dimitrios A. Bompos, Pantelis G. Nikolakopoulos

GT 2014; V01BT24A005doi:https://doi.org/10.1115/GT2014-25219

Abstract

View Article

PDF

Topics: Fluid films , Journal bearings , Fluids , Lubricants , Bearings , Excitation , Magnetic particles , Bearing design , Chain , Damping

Scaling Methods for Matching Tasks in Turbocharged Engines

Thibaut Njoya, Mehdi Nakhjiri, Peter F. Pelz, Robert Frase

GT 2014; V01BT24A006doi:https://doi.org/10.1115/GT2014-25224

Abstract

View Article

PDF

Topics: Turbocharged engines , Turbochargers , Calibration , Engines , Concretes , Heat transfer , Steady state , Uncertainty

Comparison of Ni-Based 625 Alloy and ATI 20-25+Nb™ Stainless Steel Foils After Long-Term Exposure to Gas Turbine Engine Exhaust

M. D. Bender, R. C. Klug

GT 2014; V01BT24A007doi:https://doi.org/10.1115/GT2014-25334

Abstract

View Article

PDF

Topics: Alloys , Exhaust systems , Gas turbines , Stainless steel , Turbines , High temperature , Nickel , Collapse , Failure , Iron

Design and Characterization of an Inlet Duct for Mass Flow Measurement in a Micro Gas Turbine Test Rig

C. Buratto, A. Carandina, M. Morini, C. Pavan, M. Pinelli, P. R. Spina

GT 2014; V01BT24A008doi:https://doi.org/10.1115/GT2014-25391

Abstract

View Article

PDF

Topics: Design , Ducts , Flow measurement , Micro gas turbines , Flow (Dynamics) , Pressure , Venturi tubes , Compressors , Dimensions , Fluids

A Test Rig for the Investigation of the Performance and Flow Field of Tesla Friction Turbines

Constantin Schosser, Stefan Lecheler, Michael Pfitzner

GT 2014; V01BT24A009doi:https://doi.org/10.1115/GT2014-25399

Abstract

View Article

PDF

Topics: Flow (Dynamics) , Friction , Turbines , Rotors , Computational fluid dynamics , Computer software , Deformation , Design , Design engineering , Dimensions

Combustion Analysis in a Micro-Gas Turbine Supplied With Bio-Fuels

Maria Cristina Cameretti, Raffaele Tuccillo

GT 2014; V01BT24A010doi:https://doi.org/10.1115/GT2014-25560

Abstract

View Article

PDF

Topics: Biofuel , Combustion , Turbines , Combustion chambers , Gaseous fuels , Biomass , Computational fluid dynamics , Design , Exhaust gas recirculation , Fuels

Experimental Evaluation of Small GTE Test Bed

Jiří Pečinka, Adolf Jílek, Gabriel T. Bugajski

GT 2014; V01BT24A011doi:https://doi.org/10.1115/GT2014-25811

Abstract

View Article

PDF

Topics: Construction , Data acquisition , Defense industry , Design , Emissions , Engines , Gas flow , Gas turbines , Noise (Sound) , Thrust

Influence of Degree of Reaction on Turbine Performance for Pulsating Flow Conditions

Harald Roclawski, Marc Gugau, Florian Langecker, Martin Böhle

GT 2014; V01BT24A012doi:https://doi.org/10.1115/GT2014-25829

Abstract

View Article

PDF

Topics: Pulsatile flow , Turbines , Engines , Inflow , Steady state , Wheels , Flow (Dynamics) , Gasoline engines , Inertia (Mechanics) , Stress

Prediction of Gas Thrust Foil Bearing Performance for Oil-Free Automotive Turbochargers

Luis San Andrés, Keun Ryu, Paul Diemer

GT 2014; V01BT24A013doi:https://doi.org/10.1115/GT2014-25940

Abstract

View Article

PDF

Topics: Foil bearings , Thrust , Turbochargers , Stress , Drag (Fluid dynamics) , Bearings , Damping , Stiffness , Temperature , Torque

An Engine System Approach to Improve Turbocharger Fatigue Life

Harold Sun, Liangjun Hu, Jizhong Zhang, Waheed Alashe, Dave Hanna, Eric Curtis, James Yi

GT 2014; V01BT24A014doi:https://doi.org/10.1115/GT2014-25999

Abstract

View Article

PDF

Topics: Engines , Fatigue life , Turbochargers , Resonance , Risk , Turbines , Air pollution control , Automotive industry , Calibration , Computer simulation

Experimental and Numerical Investigation of Temperature Fields in a Radial Turbine Wheel

Mathias Diefenthal, Hailu Tadesse, Christian Rakut, Manfred Wirsum, Tom Heuer

GT 2014; V01BT24A015doi:https://doi.org/10.1115/GT2014-26327

Abstract

View Article

PDF

Topics: Temperature , Turbines , Wheels , Transients (Dynamics) , Temperature distribution , Turbochargers , Boundary-value problems , Cycles , Diesel engines , Fluids

Numerical Investigation of Influence of Radial Inlet Distortion on Compressor Performance in 2-Stage Turbocharging System

Jinke Chen, Xinqian Zheng, Chenfang Wang, Weilin Zhuge, Yangjun Zhang

GT 2014; V01BT24A016doi:https://doi.org/10.1115/GT2014-26530

Abstract

View Article

PDF

Topics: Compressors , Flow (Dynamics) , High pressure (Physics) , Air pollution control , Compression , Engines , Fuels , Pressure , Temperature

Investigations on Three-Dimensional Coupled Flow of Secondary Air System and Main Flow Passages in a Micro Gas Turbine

Yuntao Zeng, Jianjun Liu

GT 2014; V01BT24A017doi:https://doi.org/10.1115/GT2014-26582

Abstract

View Article

PDF

Topics: Flow (Dynamics) , Micro gas turbines , Cavities , Turbines , Rotors , Impellers , Leakage , Stators , Blades , Compressors

Part Load Behavior of a Micro Gas Turbine Fed With Different Fuels

Raffaela Calabria, Fabio Chiariello, Patrizio Massoli, Fabrizio Reale

GT 2014; V01BT24A018doi:https://doi.org/10.1115/GT2014-26631

Abstract

View Article

PDF

Topics: Fuels , Micro gas turbines , Stress , Combustion chambers , Emissions , Exhaust systems , Hydrogen , Methane , Turbulence , Computational fluid dynamics

A Matching Method for Two-Stage Turbocharging System

Yanbin Liu, Weilin Zhuge, Yangjun Zhang, Shuyong Zhang, Junyue Zhang, Xuemin Huo

GT 2014; V01BT24A019doi:https://doi.org/10.1115/GT2014-26682

Abstract

View Article

PDF

Topics: Compressors , Design , Diesel engines , Exhaust systems , Flow (Dynamics) , High pressure (Physics) , Power density , Pressure , Pressure drop , Turbines

Materials Selection for Variable Geometry Turbine Nozzle for Gasoline Engine Application

Vivek O. Shettigar, Apostolos Pesiridis

GT 2014; V01BT24A020doi:https://doi.org/10.1115/GT2014-27119

Abstract

View Article

PDF

Topics: Gasoline engines , Geometry , Nozzles , Turbines , Exhaust systems , Stress , Temperature , Turbochargers , Diesel engines , Engines

Application of a Fuzzy Logic Controller for Speed Control on a Small-Scale Turbojet Engine

Serdar Üşenmez, Sinan Ekinci, Oğuz Uzol, İlkay Yavrucuk

GT 2014; V01BT24A021doi:https://doi.org/10.1115/GT2014-27158

Abstract

View Article

PDF

Topics: Control equipment , Engines , Fuzzy logic , Turbojets , Fuels , Computer software , Flow (Dynamics) , Fuel pumps , Graphical user interfaces , Steady state

Study on Mistuning Identification of Vehicle Turbocharger Turbine BLISK

Hiroaki Hattori

GT 2014; V01BT24A022doi:https://doi.org/10.1115/GT2014-27217

Abstract

View Article

PDF

Topics: Turbines , Turbochargers , Vehicles , Blades , Vibration , Geometry , Resonance , Finite element model , Stress , Aircraft engines

Oil Free 8 kW High-Speed and High Specific Power Turbogenerator

Hooshang Heshmat, James F. Walton, II, Andrew Hunsberger

GT 2014; V01BT24A023doi:https://doi.org/10.1115/GT2014-27306

Abstract

View Article

PDF

Topics: Bearings , Compressors , Cycles , Design , Foil bearings , Fuels , Gas turbines , Operating temperature , Permanent magnets , Rotors

Performance and Emissions of a Micro-Turbine Fueled With JP8-Canola Biodiesel Mixtures

Zafer Dülger, Samet Aslan, Müslüm Arıcı, Coşku Catori, Hasan Karabay, Nur Polat, İzzet Murat Akşit, Halil İbrahim Saraç, Burak Gökalp

GT 2014; V01BT24A024doi:https://doi.org/10.1115/GT2014-27340

Abstract

View Article

PDF

Topics: Biodiesel , Emissions , Turbines , Engines , Fuels , Energy generation , Micro gas turbines , Thrust , Carbon dioxide , Combustion

Steam Turbines

A New Emergency Stop and Control Valves Design: Part 1 — Experimental Verification With Scaled Models

Peter Brüggemann, Philipp Vinnemeier, Ingo Balkowski, Carsten Büscher, Philipp Stapper, Gerta Zimmer, Manfred Wirsum

GT 2014; V01BT27A001doi:https://doi.org/10.1115/GT2014-25116

Abstract

View Article

PDF

Topics: Design , Emergencies , Valves , Pressure , High pressure (Physics) , Compressors , Flow (Dynamics) , Air flow , Computational fluid dynamics , Cooling

A New Emergency Stop and Control Valve Design: Part 2 — Validation of Numerical Model and Transient Flow Physics

Christian Musch, Frank Deister, Gerta Zimmer, Ingo Balkowski, Peter Brüggemann, Wolfgang Haslinger

GT 2014; V01BT27A002doi:https://doi.org/10.1115/GT2014-25117

Abstract

View Article

PDF

Topics: Computer simulation , Design , Emergencies , Physics , Unsteady flow , Valves , Flow (Dynamics) , Steam , Transients (Dynamics) , Turbines

Losses of Steam Admission in Industrial Steam Turbines Depending on Geometrical Parameters

David Engelmann, Andreas Schramm, Thomas Polklas, Ronald Mailach

GT 2014; V01BT27A003doi:https://doi.org/10.1115/GT2014-25172

Abstract

View Article

PDF

Topics: Steam , Steam turbines , Flow (Dynamics) , Turbines , Junctions , Computation , Computational fluid dynamics , Deflection , Design , Pipes

Numerical Investigation of the Impact of Part-Span Connectors on Aero-Thermodynamics in a Low Pressure Industrial Steam Turbine

M. Häfele, J. Starzmann, M. Grübel, M. Schatz, D. M. Vogt, R. Drozdowski, L. Völker

GT 2014; V01BT27A004doi:https://doi.org/10.1115/GT2014-25177

Abstract

View Article

PDF

Topics: Pressure , Steam turbines , Thermodynamics , Blades , Flow (Dynamics) , Equilibrium (Physics) , Friction , Steam , Computational fluid dynamics , Cross-flow

Two-Phase Flow Modeling and Measurements in Low-Pressure Turbines: Part 1 — Numerical Validation of Wet Steam Models and Turbine Modeling

M. Grübel, J. Starzmann, M. Schatz, T. Eberle, D. M. Vogt, F. Sieverding

GT 2014; V01BT27A005doi:https://doi.org/10.1115/GT2014-25244

Abstract

View Article

PDF

Topics: Modeling , Pressure , Steam , Turbines , Two-phase flow , Equilibrium (Physics) , Stress , Flow (Dynamics) , Diffusers , Calibration

Two-Phase Flow Modeling and Measurements in Low-Pressure Turbines: Part 2 — Turbine Wetness Measurement and Comparison to CFD-Predictions

M. Schatz, T. Eberle, M. Grübel, J. Starzmann, D. M. Vogt, N. Sürken

GT 2014; V01BT27A006doi:https://doi.org/10.1115/GT2014-25245

Abstract

View Article

PDF

Topics: Computational fluid dynamics , Modeling , Pressure , Turbines , Two-phase flow , Flow (Dynamics) , Steam , Steam turbines , Cascades (Fluid dynamics) , Drops

Aerodynamic Optimization Design of Exhaust Hood Diffuser for Steam Turbine With Three-Dimensional Reynolds-Averaged Navier-Stokes Solutions

Jiandao Yang, Taowen Chen, Jun Li, Zhenping Feng

GT 2014; V01BT27A007doi:https://doi.org/10.1115/GT2014-25299

Abstract

View Article

PDF

Topics: Design , Diffusers , Exhaust systems , Optimization , Steam turbines , Pressure , Approximation , Clearances (Engineering) , Flow (Dynamics) , Performance evaluation

Improvement of Flow Conditions for the Stages Subsequent to Extraction Modules in Industrial Steam Turbines

Andreas Schramm, Tim Müller, Thomas Polklas, Oliver Brunn, Ronald Mailach

GT 2014; V01BT27A008doi:https://doi.org/10.1115/GT2014-25390

Abstract

View Article

PDF

Topics: Flow (Dynamics) , Steam turbines , Valves , Design , Steam , Jets , Pressure , Turbines , Blades , Compressors

Unsteady Flow in Extraction Modules of Industrial Steam Turbines

Andreas Schramm, Tim Müller, Thomas Polklas, Oliver Brunn, Ronald Mailach

GT 2014; V01BT27A009doi:https://doi.org/10.1115/GT2014-25394

Abstract

View Article

PDF

Topics: Steam turbines , Unsteady flow , Valves , Design , Fluctuations (Physics) , Steam , Blades , Chemical engineering , Computational fluid dynamics , Enthalpy

Pulsed LED Photography for Coarse Water Characterisation

Kris Vernon, David Hann, Tim Rice

GT 2014; V01BT27A010doi:https://doi.org/10.1115/GT2014-25401

Abstract

View Article

PDF

Topics: Photography , Water , Probes , Drops , Flow (Dynamics) , Image processing , Lenses (Optics) , Resolution (Optics) , Sprays , Steam

On the Prediction and Theory of the Temperature Increase of Low Pressure Last Stage Moving Blades During Low Volume Flow Conditions, and Limiting it Through Steam Extraction Methods

Adam Beevers, Said Havakechian, Benjamin Megerle

GT 2014; V01BT27A011doi:https://doi.org/10.1115/GT2014-25456

Abstract

View Article

PDF

Topics: Blades , Flow (Dynamics) , Pressure , Steam , Temperature , Computational fluid dynamics , Steam turbines , Turbines , Ventilation , Water

The Experimental Studies of Improving the Aerodynamic Performance of a Turbine Exhaust System

Stephen Guillot, Wing F. Ng, Hans D. Hamm, Ulrich E. Stang, Kevin T. Lowe

GT 2014; V01BT27A012doi:https://doi.org/10.1115/GT2014-25481

Abstract

View Article

PDF

Topics: Exhaust systems , Turbines , Pressure , Reynolds number , Geometry , Mach number , Testing , Computational fluid dynamics , Design , Diffusers

Unsteady Wake and Vortex Interactions in 3-D Steam Turbine Low Pressure Final Three Stages

Satoshi Miyake, Itsuro Koda, Satoru Yamamoto, Yasuhiro Sasao, Kazuhiro Momma, Toshihiro Miyawaki, Hiroharu Ooyama

GT 2014; V01BT27A013doi:https://doi.org/10.1115/GT2014-25491

Abstract

View Article

PDF

Topics: Pressure , Steam turbines , Vortices , Wakes , Blades , Condensation , Flow (Dynamics) , Rotors , Stators , Steam

A Static Test Facility for the Study of Deposit Fouling on Steam Turbine Blades

Alan May Estebaranz, Simon Hogg, Michael Hilfer, Phil Dyer

GT 2014; V01BT27A014doi:https://doi.org/10.1115/GT2014-25517

Abstract

View Article

PDF

Topics: Blades , Steam turbines , Test facilities , Copper , Steam , Reactor vessels , Boilers , Pressure , Turbines , Water

The Influence of Roughness on a High-Pressure Steam Turbine Stage: An Experimental and Numerical Study

Juri Bellucci, Filippo Rubechini, Michele Marconcini, Andrea Arnone, Lorenzo Arcangeli, Nicola Maceli, Vincenzo Dossena

GT 2014; V01BT27A015doi:https://doi.org/10.1115/GT2014-25540

Abstract

View Article

PDF

Topics: High pressure (Physics) , Steam turbines , Surface roughness , Blades , Cascades (Fluid dynamics) , Computation , Computational fluid dynamics , Reliability , Reynolds number , Rotors

Stress Corrosion Cracking and Corrosion Fatigue Analysis of Nuclear Steam Turbine Rotor

Gang Chen, Puning Jiang, Xingzhu Ye, Junhui Zhang, Yifeng Hu, Zhenzhen Hao

GT 2014; V01BT27A016doi:https://doi.org/10.1115/GT2014-25583

Abstract

View Article

PDF

Topics: Corrosion , Fatigue analysis , Rotors , Steam turbines , Stress corrosion cracking , Disks , Keyseats , Fatigue , Compressive stress , Damage

Experimental and Numerical Investigation on Performance and Flow in the Last Stage Group of a Wet Steam Turbine

Jiandao Yang, Rui Yang, Liqun Shi, Hong Yang, Jun Li

GT 2014; V01BT27A017doi:https://doi.org/10.1115/GT2014-25584

Abstract

View Article

PDF

Topics: Flow (Dynamics) , Steam turbines , Design , Steam , Turbines , Blades , Computation , Computer simulation , Drops , Pressure

Effects of Design Variables on High Cycle Fatigue in Steam Turbine Stages

Tie Chen, John Rogerson, Kush Patel, Peter Millington

GT 2014; V01BT27A018doi:https://doi.org/10.1115/GT2014-25610

Abstract

View Article

PDF

Topics: Design , High cycle fatigue , Steam turbines , Blades , Chords (Trusses) , Damping , Rotors , Stators

Numerical Investigation on the Time-Variant Flow Field and Dynamic Forces Acting in Steam Turbine Inlet Valves

Clemens Bernhard Domnick, Friedrich-Karl Benra, Hans Josef Dohmen, Christian Musch

GT 2014; V01BT27A019doi:https://doi.org/10.1115/GT2014-25632

Abstract

View Article

PDF

Topics: Flow (Dynamics) , Steam turbines , Valves , Acoustics , Pressure , Unsteady flow , Computational fluid dynamics , Geometry , Power stations , Reynolds-averaged Navier–Stokes equations

Application of an Advanced Creep-Fatigue Procedure for Flexible Design of Steam Turbine Rotors Based on Fracture Mechanics Methods

Shilun Sheng, Henning Almstedt

GT 2014; V01BT27A020doi:https://doi.org/10.1115/GT2014-25633

Abstract

View Article

PDF

Topics: Creep , Design , Fatigue , Fracture mechanics , Rotors , Steam turbines , Fracture (Materials) , Ductility , High temperature , Crack propagation

Sensitivity Analysis of Condensation Model Constants on Calculated Liquid Film Motion in Radial Turbines

Sebastian Schuster, Friedrich-Karl Benra, Hans Josef Dohmen, Sven König, Uwe Martens

GT 2014; V01BT27A021doi:https://doi.org/10.1115/GT2014-25652

Abstract

View Article

PDF

Topics: Condensation , Liquid films , Sensitivity analysis , Turbines , Drops , Rotors , Water , Blades , Clearances (Engineering) , Flow (Dynamics)

Transient Forced Response Analysis of Mistuned Steam Turbine Blades During Start-Up and Coast-Down

Christian Siewert, Heinrich Stüer

GT 2014; V01BT27A022doi:https://doi.org/10.1115/GT2014-25654

Abstract

View Article

PDF

Topics: Blades , Shorelines , Steam turbines , Transients (Dynamics) , Disks , Vibration , Flutter (Aerodynamics) , Dynamics (Mechanics) , Eigenvalues , Statistics

Numerical Investigation of Equilibrium Wet Steam Flow Property Based on S2 Calculation Code

Deying Li, Yanping Song, Yunfeng Fu, Huanlong Chen, Hiroharu Ooyama

GT 2014; V01BT27A023doi:https://doi.org/10.1115/GT2014-25750

Abstract

View Article

PDF

Topics: Equilibrium (Physics) , Flow (Dynamics) , Steam , Steam turbines , Computational methods , Superheating , Design , Vapors , Accuracy and precision , Cascades (Fluid dynamics)

Aerodynamic Optimization of the Diffuser Towards Improving the Performance of Turbine and Exhaust Hood

Jing-Lun Fu, Jian-Jun Liu, Si-Jing Zhou

GT 2014; V01BT27A024doi:https://doi.org/10.1115/GT2014-25806

Abstract

View Article

PDF

Topics: Diffusers , Exhaust systems , Optimization , Turbines , Flow (Dynamics) , Steam turbines , Condensers (steam plant) , Design , Kinetic energy , Pressure

Performance Increase of Steam Turbine Condensers by CFD Analysis

Simon Hecker, Andreas Auge, Tobias Ellsel, Johan Flegler, Christian Musch, Arne Graßmann

GT 2014; V01BT27A025doi:https://doi.org/10.1115/GT2014-25812

Abstract

View Article

PDF

Topics: Computational fluid dynamics , Condensers (steam plant) , Steam turbines , Flow (Dynamics) , Power stations , Cooling , Design , Exhaust systems , Heat transfer coefficients , Modeling

Impact of Low Load Operation on Plant Lifetime

Jan Vogt, Thomas Schaaf, Hongtao Sun, Klaus Helbig

GT 2014; V01BT27A026doi:https://doi.org/10.1115/GT2014-25852

Abstract

View Article

PDF

Topics: Stress , Turbines , Rotors , Steam turbines , Temperature , Cycles , Damage , Thermal stresses , Transients (Dynamics) , Boundary-value problems

An Experimental Investigation of Thermal Wetness Loss in the Full Scale Size Low Pressure Turbine

Tomohiko Tsukuda, Hiroki Sato, Daisuke Nomura, Sakae Kawasaki, Naoki Shibukawa

GT 2014; V01BT27A027doi:https://doi.org/10.1115/GT2014-26012

Abstract

View Article

PDF

Topics: Pressure , Turbines , Equilibrium (Physics) , Condensation , Superheating , Temperature , Enthalpy , Flow (Dynamics) , Probes , Supercooling

Steam Turbine Valve Hard-Facings: Experience and Latest Developments

S. Brussk, A. Schrey, J. Barnikel, D. Weltersbach, H. Starwald

GT 2014; V01BT27A028doi:https://doi.org/10.1115/GT2014-26036

Abstract

View Article

PDF

Topics: Foundry coatings , Steam turbines , Valves , Fracture (Materials) , Coatings , Oxidation , Power grids , Tribology , Turbines , Wear

Numerical Investigations of History Temperature Field and Stress Field of Main Steam Valve

Sihua Xu, Zhiqiang Hu, Jin He, Lei Xiao, Puning Jiang

GT 2014; V01BT27A029doi:https://doi.org/10.1115/GT2014-26069

Abstract

View Article

PDF

Topics: Steam , Stress , Temperature , Valves , Steam turbines , Thermal stresses , Boundary-value problems , Design , Heat transfer , Numerical analysis

Development of Steam Chest With Valve for Steam Extraction in Cogeneration

Zhenzhen Hao, Puning Jiang, Xingzhu Ye, Gang Chen, Yifeng Hu, Junhui Zhang

GT 2014; V01BT27A030doi:https://doi.org/10.1115/GT2014-26080

Abstract

View Article

PDF

Topics: Combined heat and power , Steam , Valves , Pressure , Computational fluid dynamics , Disks , Flow (Dynamics) , Aerodynamics , Fluid-dynamic forces , Particulate matter

Interpretation of Unexpected Aggregation of Condensate in Shrouded HP-Stages of an Industrial Steam Turbine

Mario Schinnerl, Wolfgang Beer, Reinhard Willinger

GT 2014; V01BT27A031doi:https://doi.org/10.1115/GT2014-26083

Abstract

View Article

PDF

Topics: Condensed matter , Steam turbines , Oscillations , Blades , Heat , Flux (Metallurgy) , Rotors , Turbines , Bearings , Condensation

Aerodynamics Prediction and Design of a Steam Turbine Exhaust Hood

Daiwei Zhou, Bo Liu, Xiaocheng Zhu, Zhaohui Du

GT 2014; V01BT27A032doi:https://doi.org/10.1115/GT2014-26114

Abstract

View Article

PDF

Topics: Aerodynamics , Design , Exhaust systems , Steam turbines , Pressure , Flow (Dynamics) , Computational fluid dynamics , Optimization , Turbines , Computer simulation

An Application of Metal Plasticity in Finite Element Modeling to Predict the Low-Cycle Fatigue Life of a High-Pressure Steam Turbine Casing

Zachary Dyer, George C. Altland

GT 2014; V01BT27A033doi:https://doi.org/10.1115/GT2014-26140

Abstract

View Article

PDF

Topics: Finite element analysis , High pressure (Physics) , Low cycle fatigue , Metals , Modeling , Plasticity , Steam turbines , Cycles , ASME Boiler and Pressure Vessel Code , Computer software

Experimental Studies of Supersonic Steam Flow in the Flat Nozzle Blade Cascade at Different Initial Steam Conditions

Vladimir Gribin, Aleksandr Tishchenko, Ilya Gavrilov, Victor Tishchenko, Sergey Khomyakov, Vitaliy Popov

GT 2014; V01BT27A034doi:https://doi.org/10.1115/GT2014-26209

Abstract

View Article

PDF

Topics: Blades , Cascades (Fluid dynamics) , Flow (Dynamics) , Nozzles , Steam , Shock waves , Superheating , Boundary layers , Oscillations , Pressure

Numerical Investigation of Turbulence Modelling on Condensing Steam Flows in Turbine Cascade

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

GT 2014; V01BT27A035doi:https://doi.org/10.1115/GT2014-26307

Abstract

View Article

PDF

Topics: Cascades (Fluid dynamics) , Flow (Dynamics) , Modeling , Steam , Turbines , Turbulence , Condensation , Computational fluid dynamics , Drops , Equilibrium (Physics)

Axial Inclination of the Bristle Pack, a New Design Parameter of Brush Seals for Improved Operational Behavior in Steam Turbines

H. Schwarz, J. Friedrichs, J. Flegler

GT 2014; V01BT27A036doi:https://doi.org/10.1115/GT2014-26330

Abstract

View Article

PDF

Topics: Design , Steam turbines , Leakage flows , Damping , Deflection , Oscillations , Sealing (Process) , Steam , Stiffness , Testing

A Practical Experiment and FEM Combined Method for Evaluation of Steam Turbine Diaphragm’s Creep Life

C. Meng, J. H. Xin, C. Ye, H. Han

GT 2014; V01BT27A037doi:https://doi.org/10.1115/GT2014-26514

Abstract

View Article

PDF

Topics: Creep , Finite element model , Steam turbines , Diaphragms (Mechanical devices) , Diaphragms (Structural) , Deformation , Materials properties , Security , Stability , Stiffness

CFD Investigation of the Influence of Inflow Conditions on an Aggressive Axial Exhaust Diffuser for Steam Turbines

Lei Xu, Lars Hedlund, Åsa Nilsson

GT 2014; V01BT27A038doi:https://doi.org/10.1115/GT2014-26549

Abstract

View Article

PDF

Topics: Computational fluid dynamics , Diffusers , Exhaust systems , Inflow , Steam turbines , Leakage , Pressure , Diffusion (Physics) , Engineering simulation , Flow (Dynamics)

Numerical Investigation of Steam Turbine Exhaust Diffuser Flows and Their Three Dimensional Interaction Effects on Last Stage Efficiencies

Tadashi Tanuma, Yasuhiro Sasao, Satoru Yamamoto, Yoshiki Niizeki, Naoki Shibukawa, Hiroshi Saeki

GT 2014; V01BT27A039doi:https://doi.org/10.1115/GT2014-26665

Abstract

View Article

PDF

Topics: Diffusers , Exhaust systems , Flow (Dynamics) , Steam turbines , Design , Numerical analysis , Pressure , Blades , Design engineering , Energy generation

Study of Erosion Characteristics of Solid Particles in the First Reheat Stage Blades of a Supercritical Steam Turbine

Liu-xi Cai, Shun-sen Wang, Juan Di, Jing-ru Mao, Zhen-ping Feng, Jun-jie Zhang, Ya-tao Xu

GT 2014; V01BT27A040doi:https://doi.org/10.1115/GT2014-26674

Abstract

View Article

PDF

Topics: Blades , Erosion , Particulate matter , Steam turbines , Suction , Clearances (Engineering) , Stators , Nozzles , Particle size , Pressure

A Seismic Analysis on Steam Turbine Considering Turbine and Foundation Interaction

Zhiqiang Hu, Wei Wang, Puning Jiang, Qinghua Huang, Jianhua Wang, Sihua Xu, Jin He, Lei Xiao

GT 2014; V01BT27A041doi:https://doi.org/10.1115/GT2014-26698

Abstract

View Article

PDF

Topics: Seismic analysis , Steam turbines , Turbines , Condensers (steam plant) , Displacement , Springs , Stress , Eigenvalues , Inertia (Mechanics) , Nuclear power stations

Missile Probability Analysis of Welding Nuclear Turbine Rotor

Rong Chen, Wen Xiang Hua, Yan Lei Yang, Xiao Zhong He

GT 2014; V01BT27A042doi:https://doi.org/10.1115/GT2014-26723

Abstract

View Article

PDF

Topics: Missiles , Probability , Rotors , Turbines , Welding , Safety , Stress , Fatigue , Steam , Corrosion

Mechanical Behavior of Dissimilar Welds for Steam Turbine Rotors With High Application Temperature

Stefan Krojer, Shilun Sheng, Eberhard Roos, Andreas Klenk, Torsten-Ulf Kern

GT 2014; V01BT27A043doi:https://doi.org/10.1115/GT2014-26738

Abstract

View Article

PDF

Topics: Mechanical behavior , Rotors , Steam turbines , Temperature , Welded joints , Alloys , Creep , High temperature , Nickel , Failure mechanisms

Development of Thrust Bearings With High Specific Load

Yuki Sumi, Takeshi Sano, Tanehiro Shinohara, Naoto Tochitani, Yukihiro Otani, Kazuhiko Yamashita, Takashi Nakano

GT 2014; V01BT27A044doi:https://doi.org/10.1115/GT2014-26798

Abstract

View Article

PDF

Topics: Stress , Thrust bearings , Resins , Thrust , Bearings , Combined cycle power stations , Ethers (Class of compounds) , Leakage flows , Rotors , Steam turbines

Experimental and Numerical Investigations on Basic Characteristics of High-Performance Abradable-Aero Hybrid Seal

Yoshihiro Kuwamura, Kazuyuki Matsumoto, Hidekazu Uehara, Hiroharu Ooyama, Yoshinori Tanaka, Shin Nishimoto

GT 2014; V01BT27A045doi:https://doi.org/10.1115/GT2014-26812

Abstract

View Article

PDF

Topics: Cavities , Clearances (Engineering) , Discharge coefficient , Fins , Flow (Dynamics) , Flow measurement , Leakage , Leakage flows , Sealing (Process) , Steam turbines

Design and Off-Design Optimization of a Low Pressure Steam Turbine Radial Diffuser Using an Evolutionary Algorithm and 3D CFD

Tom Verstraete, Johan Prinsier, Lorenzo Cosi

GT 2014; V01BT27A046doi:https://doi.org/10.1115/GT2014-26850

Abstract

View Article

PDF

Topics: Computational fluid dynamics , Design , Diffusers , Evolutionary algorithms , Optimization , Pressure , Steam turbines , Steam , Computation , Exhaust systems