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

Topics: Engines , Combustion chambers , Temperature , Emission spectra , Mechanical properties , Protective coatings , Stress , Stress analysis (Engineering) , Turbojets

Employing Micro-Turbine Components in Integrated Solar-MGT-ORC Power Plants

Maria Cristina Cameretti, Francesco Ferrara, Alfredo Gimelli, Raffaele Tuccillo

GT 2015; V008T23A003doi:https://doi.org/10.1115/GT2015-42572

Abstract

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Topics: Organic Rankine cycle , Power stations , Solar energy , Turbines , Computational fluid dynamics , Fluids , Radial flow , Biogas , Boilers , Boundary-value problems

Lumped Capacitance and 3D CFD Conjugate Heat Transfer Modelling of an Automotive Turbocharger

R. Burke, C. Copeland, T. Duda, M. A. Reyes-Belmonte

GT 2015; V008T23A004doi:https://doi.org/10.1115/GT2015-42612

Abstract

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Topics: Capacitance , Computational fluid dynamics , Heat transfer , Modeling , Turbochargers , Compressors , Compression , Engines , Heat , Simulation

Design and Performance Measurements of a 6 kW High-Speed Micro Gas Turbine Prototype

Aki Grönman, Juha Honkatukia, Petri Sallinen, Jari Backman, Antti Uusitalo, Teemu Turunen-Saaresti, Ahti Jaatinen-Värri

GT 2015; V008T23A005doi:https://doi.org/10.1115/GT2015-42620

Abstract

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Topics: Design , Engineering prototypes , Micro gas turbines , Engines , Generators , Fuel consumption , Jet engines , Aircraft , Boats , Earthquakes

The Benefits of an Inverted Brayton Bottoming Cycle as an Alternative to Turbo-Compounding

Colin D. Copeland, Zhihang Chen

GT 2015; V008T23A006doi:https://doi.org/10.1115/GT2015-42623

Abstract

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Topics: Cycles , Turbochargers , Brayton cycle , Turbomachinery , Heat recovery , Thermal efficiency , Exhaust systems , Internal combustion engines , Otto cycle , Pressure

Damping Behavior of Blades From Small Radial Turbines

David Hemberger, Dietmar Filsinger, Hans-Jörg Bauer

GT 2015; V008T23A007doi:https://doi.org/10.1115/GT2015-42634

Abstract

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Topics: Blades , Damping , Turbines , Vibration , Excitation , Computational fluid dynamics , Numerical analysis , Turbochargers , Computer simulation , Density

Dynamic Simulation of Energy Systems: Comparison of a Physics-Based Against Time Constant Based Approach Applied to a Microturbine Test Rig

Rory A. Roberts, I. Rossi, A. Traverso

GT 2015; V008T23A008doi:https://doi.org/10.1115/GT2015-42651

Abstract

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Topics: Energy / power systems , Microturbines , Physics , Simulation , Modeling , Computer software , Differential equations , Energy generation , Fuel cells , Gas turbines

Radial Inflow Turbine Design Through Multi-Disciplinary Optimisation Technique

Dario Barsi, Andrea Perrone, Luca Ratto, Daniele Simoni, Pietro Zunino

GT 2015; V008T23A009doi:https://doi.org/10.1115/GT2015-42702

Abstract

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Topics: Design , Inflow , Optimization , Turbines , Finite element analysis , Blades , Computational fluid dynamics , Mesh generation , Aerodynamics , Artificial neural networks

Field and Laboratory Evaluations of Commercial and Next Generation Alumina-Forming Austenitic Foil for Advanced Recuperators

Bruce A. Pint, Sebastien Dryepondt, Michael P. Brady, Yukinori Yamamoto, Bo Ruan, Robert D. McKeirnan, Jr.

GT 2015; V008T23A010doi:https://doi.org/10.1115/GT2015-42763

Abstract

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Topics: Alloys , Corrosion , Creep , Manufacturing , Microturbines , Oxidation , Steel , Temperature , Testing , Turbines

Design of a Small Scale Gas Turbine for a Hybrid Propulsion System

Elliott Bryner, David Ransom, John Bishop, Shane Coogan, Grant Musgrove

GT 2015; V008T23A011doi:https://doi.org/10.1115/GT2015-42770

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Topics: Design , Gas turbines , Propulsion systems , Machinery , Fuels , Generators , Unmanned aerial vehicles , Additive manufacturing , Ceramics , Hardware

Fuel Efficiency Optimization for a Divided Exhaust Period Regulated Two-Stage Downsized SI Engine

Bo Hu, Sam Akehurst, Chris Brace, Pengfei Lu, Colin D. Copeland, J. W. G. Turner

GT 2015; V008T23A012doi:https://doi.org/10.1115/GT2015-43023

Abstract

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Topics: Exhaust systems , Fuel efficiency , Optimization , Spark-ignition engine , Valves , Combustion , Engines , Flow (Dynamics) , Manifolds , Stress

A Throttle Loss Recovery Concept Using an Expander for a 2.0 Litre Turbocharged Gasoline Engine

P. Lu, B. Hu, C. Brace

GT 2015; V008T23A013doi:https://doi.org/10.1115/GT2015-43031

Abstract

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Topics: Gasoline engines , Engines , Brakes , Energy generation , Exhaust systems , Flow (Dynamics) , Machinery , Pressure drop , Turbochargers , Combustion

Performance Analysis of an Electric Turbocompounding System for a Hybrid Vehicle Diesel Engine

Zhanming Ding, Weilin Zhuge, Yangjun Zhang, Yong Yin, Shuyong Zhang

GT 2015; V008T23A014doi:https://doi.org/10.1115/GT2015-43068

Abstract

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Topics: Diesel engines , Hybrid electric vehicles , Engines , Turbines , Cycles , Fuel efficiency , Stress , Turbochargers , Emissions , Fuel consumption

Experimental Investigation of Steady State and Transient Heat Transfer in a Radial Turbine Wheel of a Turbocharger

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

GT 2015; V008T23A015doi:https://doi.org/10.1115/GT2015-43165

Abstract

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Topics: Steady state , Transient heat transfer , Turbines , Turbochargers , Wheels , Temperature , Flow (Dynamics) , Cycles , Engines , Stress

Feasibility Study on Dehydrogenation of LOHC Using Excess Exhaust Heat From a Hydrogen Fueled Micro Gas Turbine

Balbina Hampel, Stefan Bauer, Norbert Heublein, Christoph Hirsch, Thomas Sattelmayer

GT 2015; V008T23A016doi:https://doi.org/10.1115/GT2015-43168

Abstract

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Topics: Exhaust systems , Heat , Hydrogen fuels , Micro gas turbines , Hydrogen , Flow (Dynamics) , Computer simulation , Distributed power generation , Enthalpy , Storage

A Comparison of a Mono, Twin and Double Scroll Turbine for Automotive Applications

Jason Walkingshaw, Georgios Iosifidis, Tobias Scheuermann, Dietmar Filsinger, Nobuyuki Ikeya

GT 2015; V008T23A017doi:https://doi.org/10.1115/GT2015-43240

Abstract

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Topics: Automotive industry , Turbines , Engines , Turbochargers , Flow (Dynamics) , Computational fluid dynamics , Exhaust systems , Corporate average fuel economy , Design , Emissions

Experimental and Numerical Investigation of Partial Admission of a Radial Turbocharger Turbine for Improved Off-Design Operation

Mirko Ilievski, Frederic Heidinger, Christopher Fuhrer, Markus Schatz, Damian M. Vogt, Sebastian Challand

GT 2015; V008T23A018doi:https://doi.org/10.1115/GT2015-43318

Abstract

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Topics: Design , Turbines , Turbochargers , Exhaust systems , Engines , Enthalpy , Flow (Dynamics) , Compressors , Cylinders , Ducts

Innovative Ram Air Turbine for Airborne Power Generation

Daniel Haid, John Justak

GT 2015; V008T23A019doi:https://doi.org/10.1115/GT2015-43437

Abstract

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Topics: Energy generation , Turbines , Design , Aircraft , Drag (Fluid dynamics) , Electricity (Physics) , Power density , Batteries , Electronic systems , Flight

CFD Analysis of Turbec T100 Combustor at Part Load by Varying Fuels

Raffaela Calabria, Fabio Chiariello, Patrizio Massoli, Fabrizio Reale

GT 2015; V008T23A020doi:https://doi.org/10.1115/GT2015-43455

Abstract

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Topics: Combustion chambers , Computational fluid dynamics , Fuels , Stress , Design , Micro gas turbines , Natural gas , Temperature , Combustion , Compressors

Mechanical Design Features of a Small Gas Turbine for Power Generation in Unmanned Aerial Vehicles

Caleb S. Cunningham, David Ransom, Jason Wilkes, John Bishop, Benjamin White

GT 2015; V008T23A021doi:https://doi.org/10.1115/GT2015-43491

Abstract

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Topics: Design engineering , Energy generation , Gas turbines , Unmanned aerial vehicles , Design , Bearings , Combustion chambers , Industrial lubrication systems , Additive manufacturing , Manufacturing

Unsteady Thrust Force Loading of a Turbocharger Rotor During Engine Operation

Bernhardt Lüddecke, Philipp Nitschke, Michael Dietrich, Dietmar Filsinger, Michael Bargende

GT 2015; V008T23A022doi:https://doi.org/10.1115/GT2015-43559

Abstract

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Topics: Engines , Rotors , Thrust , Turbochargers , Bearings , Stress , Compressors , Turbines , Friction , Pressure

Micro Gas Turbine Firing Kerosene and Ammonia

Norihiko Iki, Osamu Kurata, Takayuki Matsunuma, Takahiro Inoue, Masato Suzuki, Taku Tsujimura, Hirohide Furutani

GT 2015; V008T23A023doi:https://doi.org/10.1115/GT2015-43689

Abstract

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Topics: Firing , Micro gas turbines , Combustion chambers , Combustion , Engineering prototypes , Exhaust systems , Nitrogen oxides , Co-firing , Diffusion (Physics) , Electricity (Physics)

Debris Tolerant Compliant Foil Bearings for High-Speed Turbomachines

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

GT 2015; V008T23A024doi:https://doi.org/10.1115/GT2015-43712

Abstract

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Topics: Foil bearings , Turbomachinery , Testing , Bearings , Dust , Temperature , Failure , Cantilevers , Coating processes , Coatings

High Effectiveness, Low Pressure Drop Recuperator for High Speed and Power Oil-Free Turbogenerator

José Luis Córdova, James F. Walton, II, Hooshang Heshmat

GT 2015; V008T23A025doi:https://doi.org/10.1115/GT2015-43718

Abstract

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Topics: Additive manufacturing , Bearings , Ceramics , Combustion chambers , Compressors , Cycles , Engineering prototypes , Engines , Flow (Dynamics) , Gas turbines

Bump-Type Foil Bearings and Flexure Pivot Tilting Pad Bearings for Oil-Free Automotive Turbochargers: Highlights in Rotordynamic Performance

Keun Ryu, Zachary Ashton

GT 2015; V008T23A026doi:https://doi.org/10.1115/GT2015-43927

Abstract

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Topics: Bearings , Bending (Stress) , Foil bearings , Turbochargers , Rotors , Gas bearings , Temperature , Clearances (Engineering) , Reliability , Stability

Steam Turbines

Numerical Study of Reynolds Number Effects on Steam Turbine Performance

J. H. Cheon, P. Milčák, M. Šťastný

GT 2015; V008T26A001doi:https://doi.org/10.1115/GT2015-42052

Abstract

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Topics: Reynolds number , Steam turbines , Surface roughness , Blades , Flow (Dynamics) , Cascades (Fluid dynamics) , Chords (Trusses) , Computational fluid dynamics , Numerical analysis

Polytropic Change of State Calculations With Condensation or Evaporation and its Use for Thermal Power Cycles

Hans E. Wettstein

GT 2015; V008T26A002doi:https://doi.org/10.1115/GT2015-42075

Abstract

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Topics: Algorithms , Carbon dioxide , Computational methods , Condensation , Cycles , Energy dissipation , Enthalpy , Equations of state , Equilibrium (Physics) , Evaporation

Development and Application of Low Pressure Stages for Large Flow and High Speed Unit

Xiaopeng Xin, Yongfeng Sui, Hanzhong Mao, Peng Chu, Jianqiang Kong, Zhong Ye

GT 2015; V008T26A003doi:https://doi.org/10.1115/GT2015-42135

Abstract

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Topics: Flow (Dynamics) , Pressure , Blades , Bending (Stress) , Design , Stress , Computational fluid dynamics , Computer-aided engineering , Feedwater , Fluids

Numerical Investigation on the Vibration of Steam Turbine Inlet Valves and the Feedback to the Dynamic Flow Field

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

GT 2015; V008T26A004doi:https://doi.org/10.1115/GT2015-42182

Abstract

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Topics: Feedback , Flow (Dynamics) , Steam turbines , Valves , Vibration , Structural dynamics , Computational fluid dynamics , Finite element model , Piston rings , Bushings

Experimental and Numerical Investigation of the Flow in a LP Industrial Steam Turbine With Part-Span Connectors

M. Häfele, C. Traxinger, M. Grübel, M. Schatz, D. M. Vogt, R. Drozdowski

GT 2015; V008T26A005doi:https://doi.org/10.1115/GT2015-42202

Abstract

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Topics: Flow (Dynamics) , Steam turbines , Computational fluid dynamics , Blades , Pressure , Steam , Turbines , Equilibrium (Physics) , Friction , Probes

Differential Expansion Sensitivity Studies During Steam Turbine Start-Up

Monika Topel, Markus Jöcker, Sayantan Paul, Björn Laumert

GT 2015; V008T26A006doi:https://doi.org/10.1115/GT2015-42214

Abstract

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Topics: Steam turbines , Turbines , Modeling , Temperature , Bearings , Cavities , Clearances (Engineering) , Computer simulation , Finite element analysis , Rotors

Experimental and Numerical Investigation of the Nonlinear Vibrational Behavior of Steam Turbine Last Stage Blades With Friction Bolt Damping Elements

R. Drozdowski, L. Völker, M. Häfele, D. M. Vogt

GT 2015; V008T26A007doi:https://doi.org/10.1115/GT2015-42244

Abstract

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Topics: Blades , Damping , Friction , Steam turbines , Pressure , Vibration , Design , Dynamic testing (Materials) , Finite element methods , Machinery

Numerical Investigation of Two-Phase Wet Steam Flow With Spontaneous Condensation Based on Euler S2 Calculation Method

Deying Li, Huanlong Chen, Yanping Song, Ke Cui, Hiroharu Ooyama

GT 2015; V008T26A008doi:https://doi.org/10.1115/GT2015-42254

Abstract

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Topics: Computational methods , Condensation , Flow (Dynamics) , Steam , Pressure , Nozzles , Numerical analysis , Steam turbines , Design , Drops

Numerical Investigation of the Non-Axisymmetric End Wall Application to the White Cascade

Deying Li, Huanlong Chen, Yanping Song, Ke Cui

GT 2015; V008T26A009doi:https://doi.org/10.1115/GT2015-42261

Abstract

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Topics: Cascades (Fluid dynamics) , Steam , Warping , Condensation , Chords (Trusses) , Flow (Dynamics) , Nucleation (Physics) , Pressure , Corners (Structural elements) , Flow separation

An Experimental Investigation of the Performance Impact of Swirl on a Turbine Exhaust Diffuser/Collector for a Series of Diffuser Strut Geometries

Song Xue, Stephen Guillot, Wing F. Ng, Jon Fleming, K. Todd Lowe, Nihar Samal, Ulrich E. Stang

GT 2015; V008T26A010doi:https://doi.org/10.1115/GT2015-42325

Abstract

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Topics: Diffusers , Exhaust systems , Struts (Engineering) , Turbines , Pressure , Flow (Dynamics) , Engines , Flow visualization , Gas turbines , Geometry

Numerical Study on Typical Wet Steam Flow Based on a New Two-Fluid Model

Ke Cui, Huanlong Chen, Yanping Song, Fu Chen

GT 2015; V008T26A011doi:https://doi.org/10.1115/GT2015-42361

Abstract

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Topics: Flow (Dynamics) , Fluids , Steam , Pressure , Turbulence , Condensation , Cascades (Fluid dynamics) , Computer simulation , Drops , Nucleation (Physics)

Unsteady Wet-Steam Flows Through Low Pressure Turbine Final Three Stages Considering Blade Number

Satoshi Miyake, Hironori Miyazawa, Satoru Yamamoto, Yasuhiro Sasao, Kazuhiro Momma, Hiroharu Ooyama, Toshihiro Miyawaki

GT 2015; V008T26A012doi:https://doi.org/10.1115/GT2015-42366

Abstract

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Topics: Blades , Flow (Dynamics) , Pressure , Steam , Turbines , Steam turbines , Condensation , Flow simulation , Rotors , Stators

A Study of Spontaneous Condensation in an LP Test Turbine

Kane Chandler, Mauro Melas, Teresa Jorge

GT 2015; V008T26A013doi:https://doi.org/10.1115/GT2015-42458

Abstract

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Topics: Condensation , Turbines , Nucleation (Physics) , Flow (Dynamics) , Temperature , Computational fluid dynamics , Drops , Blades , Nonequilibrium flow , Steam turbines

Aeroacoustic Computational Analysis of a Steam Turbine Trip Valve

C. Bianchini, R. Da Soghe, L. Cosi, E. Imparato

GT 2015; V008T26A014doi:https://doi.org/10.1115/GT2015-42473

Abstract

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Topics: Steam turbines , Valves , Acoustics , Fluctuations (Physics) , Pressure , Simulation , Steam , Computational fluid dynamics , Design , Diffusers

Optimized Steam Turbine Operation by Controlled Clutch Angle Engagement

Gerta Zimmer, Daniel Pieper, Kees van Driel, Bernd Lacombe, Mirko Daenner, Martin Bennauer

GT 2015; V008T26A015doi:https://doi.org/10.1115/GT2015-42485

Abstract

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Topics: Steam turbines , Turbines , Vibration , Control algorithms , Hardware , Simulation models , Actuators , Combined cycle power stations , Control equipment , Engineering prototypes

Turbulent Scale Resolving Modelling of Rotating Stall in Low-Pressure Steam Turbines Operated Under Low Volume Flow Conditions

Benjamin Megerle, Timothy Stephen Rice, Ivan McBean, Peter Ott

GT 2015; V008T26A016doi:https://doi.org/10.1115/GT2015-42498

Abstract

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Topics: Flow (Dynamics) , Modeling , Pressure , Steam turbines , Turbulence , Computational fluid dynamics , Blades , Excitation , Simulation , Turbines

Numerical Investigations on the Aerodynamic Performance of Turbine Stage and Rotordynamic Characteristics of Stator Seal With Consideration of Supplementary Steam

Zhigang Li, Jun Li, Shizhu Wang, Dawei Ji, Gaohui Xiao, Xuefei Zhai

GT 2015; V008T26A017doi:https://doi.org/10.1115/GT2015-42549

Abstract

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Topics: Stators , Steam , Turbines , Flow (Dynamics) , Blades , Gas cylinders , Reynolds-averaged Navier–Stokes equations , Steam turbines , Computation , Excitation

A Comparison of Modelling Techniques for Polydispersed Droplet Spectra in Steam Turbines

Fiona R. Hughes, Jörg Starzmann, Alexander J. White, John B. Young

GT 2015; V008T26A018doi:https://doi.org/10.1115/GT2015-42589

Abstract

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Topics: Drops , Modeling , Spectra (Spectroscopy) , Steam turbines , Method of moments , Nucleation (Physics) , Shapes , Approximation , Condensation , Evaporation

3D Blade Stacking Strategies and Understanding of Flow Physics in Low Pressure Steam Turbines: Part I — 3D Stacking Mechanisms

Said Havakechian, John Denton

GT 2015; V008T26A019doi:https://doi.org/10.1115/GT2015-42591

Abstract

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Topics: Blades , Flow (Dynamics) , Physics , Pressure , Steam turbines , Stators , Aerodynamics , Angular momentum , Computational fluid dynamics , Design

CFD Modeling of Low Pressure Steam Turbine Radial Diffuser Flow by Using a Novel Multiple Mixing Plane Based Coupling: Simulation and Validation

Peter Stein, Christoph Pfoster, Michael Sell, Paul Galpin, Thorsten Hansen

GT 2015; V008T26A020doi:https://doi.org/10.1115/GT2015-42632

Abstract

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Topics: Computational fluid dynamics , Diffusers , Flow (Dynamics) , Modeling , Pressure , Simulation , Steam turbines , Turbines , Design , Exhaust systems

Application of a Creep Damage Constitutive Model for the Rotor of a 1000 MW Ultra-Supercritical Steam Turbine

Jishen Jiang, Weizhe Wang, Nailong Zhao, Peng Wang, Yingzheng Liu, Puning Jiang

GT 2015; V008T26A021doi:https://doi.org/10.1115/GT2015-42801

Abstract

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Topics: Constitutive equations , Creep , Damage , Rotors , Steam turbines , Stress , Temperature , Computer software , Curve fitting , Heat

Numerical Investigations of Flow Features in a Low Pressure Steam Turbine Last Stage Under Different Mass Flow Rates

Bo Liu, Jiandao Yang, Daiwei Zhou, Xiaocheng Zhu, Zhaohui Du

GT 2015; V008T26A022doi:https://doi.org/10.1115/GT2015-42916

Abstract

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Topics: Flow (Dynamics) , Pressure , Steam turbines , Aerodynamics , Fluid-dynamic forces , Blades , Annulus , Compressors , Computer simulation , Diffusers

Numerical Investigations of Tangential Direction Cooling in the Intermediate Pressure Cylinder (IPC)

Liangliang Liu, Daiwei Zhou, Hao Liu, Xiaocheng Zhu, Zhaohui Du

GT 2015; V008T26A023doi:https://doi.org/10.1115/GT2015-42951

Abstract

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Topics: Cooling , Cylinders , Pressure , Turbulence , Mach number , Prandtl number , Vortices , Computational fluid dynamics , Internal flow , Reliability

Optimization of a Large Injection System for Steam Turbines

Leonardo Nettis, Enzo Imparato, Lorenzo Cosi

GT 2015; V008T26A024doi:https://doi.org/10.1115/GT2015-43007

Abstract

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Topics: Optimization , Steam turbines , Flow (Dynamics) , Computational fluid dynamics , Pressure , Design , Shapes , Steam , Excitation , Performance

Study on Rebound Characteristics of Fine Spherical Particles Impacting an AISI 403 Steel With High Velocity

Juan Di, Shun-sen Wang, Liu-xi Cai, Shang-fang Cheng, Chuang Wu

GT 2015; V008T26A025doi:https://doi.org/10.1115/GT2015-43058

Abstract

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Topics: Particulate matter , Steel , Blades , Particle size , Compressors , Computer software , Dynamics (Mechanics) , Energy dissipation , Erosion , Gas turbines

Advanced Water Droplet Erosion Protection for Modern Low Pressure Steam Turbine Steel Blades

Joerg Schuerhoff, Andrei Ghicov, Karsten Sattler

GT 2015; V008T26A026doi:https://doi.org/10.1115/GT2015-43140

Abstract

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Topics: Blades , Drops , Erosion , Pressure , Steam turbines , Steel , Water , Hardening , Lasers , Design

Influence of Trailing Edge Geometry on the Condensing Steam Flow in Low-Pressure Steam Turbine

Giteshkumar Patel, Yogini Patel, Teemu Turunen-Saaresti

GT 2015; V008T26A027doi:https://doi.org/10.1115/GT2015-43189

Abstract

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Topics: Flow (Dynamics) , Geometry , Pressure , Steam , Steam turbines , Computational fluid dynamics , Cascades (Fluid dynamics) , Condensation , Nucleation (Physics) , Shapes

The Characteristics of Rotating Instabilities in Low Pressure Steam Turbines at Low Volume Flow Operation

Roland Sigg, Timothy Rice

GT 2015; V008T26A028doi:https://doi.org/10.1115/GT2015-43211

Abstract

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Topics: Flow (Dynamics) , Pressure , Steam turbines , Resonance ionization spectroscopy , Exhaust systems , Turbines , Blades , Design , Stress , Compressors

Integrated Weld Quality Concept: A Holistic Design Approach for Steam Turbine Rotor Weld Joints

C. Borgmann, P. Dumstorff, T.-U. Kern, H. Almstedt, K. Niepold

GT 2015; V008T26A029doi:https://doi.org/10.1115/GT2015-43234

Abstract

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Topics: Design , Rotors , Steam turbines , Fracture mechanics , Power stations , Welding , Materials properties , Steam , Temperature , Carbon dioxide

A Simplified Analytical Approach for Calculating the Start-Up Time of Industrial Steam Turbines for Optimal and Fast Start-Up Procedures

Wolfgang Beer, Lukas Propp, Lutz Voelker

GT 2015; V008T26A030doi:https://doi.org/10.1115/GT2015-43284

Abstract

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Topics: Steam turbines , Stress , Finite element analysis , Geometry , Rotors , Temperature distribution , Turbine components , Algorithms , Boundary-value problems , Cycles

A Dynamic Clearance Seal for Steam Turbine Application

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

GT 2015; V008T26A031doi:https://doi.org/10.1115/GT2015-43471

Abstract

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Topics: Clearances (Engineering) , Steam turbines , Design , Leakage flows , Sealing (Process) , Stress , Energy resources , Flow (Dynamics) , Mechanical properties , Power stations

Lifetime Assessment of Steam Turbine Casing

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

GT 2015; V008T26A032doi:https://doi.org/10.1115/GT2015-43495

Abstract

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Topics: Steam turbines , Cycles , Finite element analysis , Stress , Fossil fuels , Power grids , Renewable energy

Unsteady Wet Steam Flow Field Measurements in the Last Stage of Low Pressure Steam Turbine

Ilias Bosdas, Michel Mansour, Anestis I. Kalfas, Reza S. Abhari, Shigeki Senoo

GT 2015; V008T26A033doi:https://doi.org/10.1115/GT2015-43504

Abstract

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Topics: Flow (Dynamics) , Pressure , Steam , Steam turbines , Blades , Probes , Stress , Control systems , Fluctuations (Physics) , Leakage

On-Line Prediction of Temperature and Stress in Steam Turbine Components Using Neural Networks

Krzysztof Dominiczak, Romuald Rządkowski, Wojciech Radulski, Ryszard Szczepanik

GT 2015; V008T26A034doi:https://doi.org/10.1115/GT2015-43555

Abstract

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Topics: Artificial neural networks , Steam turbines , Stress , Temperature , Rotors , Turbines , Power stations , Algorithms , Control equipment , Finite element methods

Aerodynamic and Structural Numerical Investigation of Unsteady Flow Effects on Last Stage Blades

Tadashi Tanuma, Hiroshi Okuda, Gaku Hashimoto, Satoru Yamamoto, Naoki Shibukawa, Kenichi Okuno, Hiroshi Saeki, Tomohiko Tsukuda

GT 2015; V008T26A035doi:https://doi.org/10.1115/GT2015-43848

Abstract

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Topics: Blades , Unsteady flow , Rotating blades , Diffusers , Exhaust systems , Pressure , Boundary-value problems , Finite element analysis , Flow (Dynamics) , Steam turbines

A LCF Life Assessment Method for Steam Turbine Long Blade Based on Elastoplastic Analysis and Local Strain Approach

Deqi Yu, Aping He, Hong Yang, Jiandao Yang, Kai Cheng, Daiwei Zhou, Gongyi Wang, Luyin Gu

GT 2015; V008T26A036doi:https://doi.org/10.1115/GT2015-43955

Abstract

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Topics: Blades , Steam turbines , Stress , Fatigue , Damage , Fatigue life , Fracture (Materials) , Fracture (Process) , Cycles , Deformation

CFD Analysis of Steam Turbines With the IAPWS Standard on the Spline-Based Table Look-Up Method (SBTL) for the Fast Calculation of Real Fluid Properties

Matthias Kunick, Hans-Joachim Kretzschmar, Francesca di Mare, Uwe Gampe

GT 2015; V008T26A037doi:https://doi.org/10.1115/GT2015-43984

Abstract

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Topics: Computational fluid dynamics , Fluids , Splines , Steam turbines , Steam , Water , Engineering simulation , Internal energy (Physics) , Simulation , Aerospace industry

Performance Evaluation of Last Stage Bucket Tip Section Using Non-Equilibrium Wet Steam CFD Tool

Sai S. Sreedharan, Hiteshkumar Mistry, Vsevolod Ostrovskiy, Tao Guo

GT 2015; V008T26A038doi:https://doi.org/10.1115/GT2015-44084

Abstract

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Topics: Computational fluid dynamics , Equilibrium (Physics) , Performance evaluation , Steam , Design , Condensation , Blades , Flow (Dynamics) , Airfoils , Engineering simulation

3D Blade Stacking Strategies and Understanding of Flow Physics in Low Pressure Steam Turbines: Part II — Stacking Equivalence and Differentiators

Said Havakechian, John Denton

GT 2015; V008T26A039doi:https://doi.org/10.1115/GT2015-44125

Abstract

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Topics: Blades , Flow (Dynamics) , Physics , Pressure , Steam turbines , Guide vanes , Computational fluid dynamics , Design , Modeling , Optimization

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