Topics: Compressors , Gas turbines , Testing , Equations of state , Errors , Fuel consumption , Modeling , Natural gas , Performance , Resistance thermometers

Dynamic Model of Multistage Centrifugal Compressor With a Stage-by-Stage Anti-Surge Recirculating System

Nicola Casari, Michele Pinelli, Alessio Suman, Matteo Manganelli, Mirko Morini, Klaus Brun, Louis Larosiliere, Vishal Jariwala

GT 2021; V008T20A003https://doi.org/10.1115/GT2021-04273

Abstract

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Topics: Compressors , Dynamic models , Surges , Flow (Dynamics) , Recycling , Design , Energy dissipation , High pressure (Physics) , Pressure , Suction

Data Selection and Feature Engineering for the Application of Machine Learning to the Prediction of Gas Turbine Trip

Enzo Losi, Mauro Venturini, Lucrezia Manservigi, Giuseppe Fabio Ceschini, Giovanni Bechini, Giuseppe Cota, Fabrizio Riguzzi

GT 2021; V008T20A004https://doi.org/10.1115/GT2021-58914

Abstract

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Topics: Gas turbines , Machine learning , Algorithms , Damage , Fourier transforms , Peak load , Performance , Reliability , Service life (Equipment) , Stress

Prediction of Gas Turbine Trip: a Novel Methodology Based on Random Forest Models

Enzo Losi, Mauro Venturini, Lucrezia Manservigi, Giuseppe Fabio Ceschini, Giovanni Bechini, Giuseppe Cota, Fabrizio Riguzzi

GT 2021; V008T20A005https://doi.org/10.1115/GT2021-58916

Abstract

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Topics: Gas turbines , Machine learning , Case studies , Data mining , Image segmentation , Natural, scientific and engineering processes and practices , Profitability , Sensors , Service life (Equipment) , Time series

On Small Scale LNG Concepts

Rainer Kurz, Min Ji, Griffin Beck, Timothy C. Allison

GT 2021; V008T20A006https://doi.org/10.1115/GT2021-58989

Abstract

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Topics: Liquefied natural gas , Cycles , Compressors , Preferences , Brayton cycle , Compression , Economics , Equipment performance , Gas turbines , Optimization

Development of a Robust Scrubber Level Controller

Carolyn M. Day, Griffin C. Beck, Scott A. Schubring

GT 2021; V008T20A007https://doi.org/10.1115/GT2021-59078

Abstract

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Topics: Control equipment , Control systems , Failure , Downtime , Engineering prototypes , Natural gas , Damage , Fluids , Gases , Hazards

An Approach to Measure Total-Head in Wakes and Near End Walls at High Fogging Conditions

Janneck Harbeck, Silvio Geist, Markus Schatz

GT 2021; V008T20A008https://doi.org/10.1115/GT2021-59190

Abstract

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Topics: Wakes , Flow (Dynamics) , Drops , Pressure , Probes , Cascades (Fluid dynamics) , Underground injection , Water , Blades , Compressors

Unit Health Assessment- Oil & Gas Equipment Probabilistic Case Study

Noor Azman Mohamat Nor, Andrew Findlay

GT 2021; V008T20A009https://doi.org/10.1115/GT2021-59318

Abstract

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Topics: Downtime , Failure , Gas turbines , Life cycle management , Maintainability , Maintenance , Ocean engineering , Pattern recognition , Performance , Probability

Wet Gas Formation and Carryover in Compressor Suction Equipment

Griffin Beck, Nathan Andrews, A. Grey Berry, Amy McCleney

GT 2021; V008T20A010https://doi.org/10.1115/GT2021-59353

Abstract

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Topics: Compressors , Suction , Condensation , Boundary-value problems , Drops , Failure , Flow (Dynamics) , Fluid dynamics , Fluids , Gas flow

Power and Compression Analysis of Power-To-Gas Implementations in Natural Gas Pipelines With Up to 100% Hydrogen Concentration

Timothy C. Allison, John Klaerner, Stefan Cich, Rainer Kurz, Marybeth McBain

GT 2021; V008T20A011https://doi.org/10.1115/GT2021-59398

Abstract

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Topics: Compression , Energy storage , Hydrogen , Methane , Natural gas distribution , Pipelines

A Quantitative Approach for the Estimation of the Fouling Rate on the Stationary Parts of a Multistage Test Compressor

Alessandro Vulpio, Alessio Suman, Nicola Casari, Michele Pinelli

GT 2021; V008T20A012https://doi.org/10.1115/GT2021-59449

Abstract

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Topics: Compressors , Particulate matter , Computational fluid dynamics , Computer simulation , Contamination , Design , Economics , Engineering simulation , Engines , Flow (Dynamics)

Washing Effectiveness Assessment of Different Cleaners on a Small-Scale Multistage Compressor

Alessandro Vulpio, Alessio Suman, Nicola Casari, Michele Pinelli, Craig Appleby, Simon Kyte

GT 2021; V008T20A013https://doi.org/10.1115/GT2021-59455

Abstract

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Topics: Compressors , Particulate matter , Fluids , Gas turbines , Blades , Drops , Engines , Soot , Axial flow , Filters

A Stochastic Model for Nanoparticle Deposits Growth

Alessio Suman, Alessandro Vulpio, Nicola Casari, Michele Pinelli

GT 2021; V008T20A014https://doi.org/10.1115/GT2021-59458

Abstract

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Topics: Nanoparticles , Particulate matter , Adhesion , Aircraft engines , Dust , Engineering systems and industry applications , Fans , Heat exchangers , Photovoltaic panels , Safety

Fouling Effects on Wet Gas Compressor Performance: An Experimental Investigation

Dagfinn Mæland, Lars E. Bakken

GT 2021; V008T20A015https://doi.org/10.1115/GT2021-59543

Abstract

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Topics: Gas compressors , Petroleum extraction , Compressors , Failure mechanisms , Machinery , Ocean engineering , Petroleum industry , Profitability , Reliability , Satellites

Centrifugal Compressor Polytropic Performance Evaluation Using Cubic Polynomial Approximation for the Temperature-Entropy Polytropic Path

Matt Taher, B. F. Evans

GT 2021; V008T20A016https://doi.org/10.1115/GT2021-59678

Abstract

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Topics: Compressors , Entropy , Performance evaluation , Polynomial approximation , Temperature , Approximation , Gases , Polynomials , Testing performance

Mathematical Modeling of the Polytropic Process Using the Sequential Cubic Polynomial Approximation

Matt Taher

GT 2021; V008T20A017https://doi.org/10.1115/GT2021-59715

Abstract

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Topics: Compression , Compressors , Energy dissipation , Modeling , Polynomial approximation , Polynomials , Testing performance , Thermodynamics

The Development of Turboexpander-Generators for Gas Pressure Letdown Part I: Design and Analysis

Rasish Khatri, Jeremy Liu, Freddie Sarhan, Ovais Najeeb, Hiroshi Kajita, Mitsuru Kozuka

GT 2021; V008T20A018https://doi.org/10.1115/GT2021-60125

Abstract

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Topics: Bearings , Design , Dynamics (Mechanics) , Generators , Magnetic bearings , Pressure

Steam Turbine

Experimental and Numerical Investigations of the Effects of Real Shape Modeling and Non-Equilibrium Condensation Modeling on the Flow Pattern in Steam Turbine

Soichiro Tabata, Yasuhiro Sasao, Kiyoshi Segawa

GT 2021; V008T22A001https://doi.org/10.1115/GT2021-01754

Abstract

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Topics: Condensation , Equilibrium (Physics) , Flow (Dynamics) , Modeling , Shapes , Steam turbines , Computational fluid dynamics , Blades , Computation , Pipes

Assessment of Rotor Stability for Steam Turbine Considering Labyrinth Seal Characteristics of Fluid Destabilization Force and Vibrational Frequency Effect of Bearing Coefficients

Ryokichi Hombo, Kenichi Murata, Yuichiro Waki, Nobuhiro Nagata, Makoto Iwasaki, Kazuyuki Matsumoto

GT 2021; V008T22A002https://doi.org/10.1115/GT2021-01893

Abstract

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Topics: Bearings , Fluids , Rotors , Stability , Steam turbines

Improvement of Surface Cracking Risks by Controlling Dilution of Cobalt-Based Hardfacings

Takashi Yokoyama, Takayuki Kurimura, Noriyuki Sakakibara, Fumiyuki Suzuki

GT 2021; V008T22A003https://doi.org/10.1115/GT2021-58497

Abstract

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Topics: Cobalt , Cracking (Materials) , Fracture (Process) , Steam , Valves

A Novel Test Rig Using Air for Investigation of Vibration and Interaction of Two Steam Turbine Control Valves

Stefan Wallat, Stefan Preibisch, Matthias Strauch, Dieter Brillert

GT 2021; V008T22A004https://doi.org/10.1115/GT2021-58509

Abstract

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Topics: Steam turbines , Valves , Vibration , Design , Fluctuations (Physics) , Pressure , Steam , Oscillations , Stress , Turbines

Reconstruction of a Steam Turbine Blade Using Piecewise Bernstein Polynomials and Transfinite Interpolation

Luis David Pérez Rubio, Sergio Ricardo Galván González, Francisco Javier Domínguez Mota, Angel Cerriteño Sánchez, Miguel Angel Tamayo Soto, Giovanni Delgado Sánchez

GT 2021; V008T22A005https://doi.org/10.1115/GT2021-58632

Abstract

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Topics: Blades , Interpolation , Polynomials , Steam turbines

Detached Eddy Simulation of Rotating Instabilities in a Low-Pressure Model Steam Turbine Operating Under Low Volume Flow Conditions

Ilgit Ercan, Damian M. Vogt

GT 2021; V008T22A006https://doi.org/10.1115/GT2021-58704

Abstract

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Topics: Eddies (Fluid dynamics) , Flow (Dynamics) , Pressure , Simulation , Steam turbines , Computational fluid dynamics , Diffusers , Physics , Stress , Annulus

Numerical Model for Condensing Steam Through Labyrinth Seal

Ravindra G. Devi, Satyanarayanan Seshadri, Vittorio Michelassi

GT 2021; V008T22A007https://doi.org/10.1115/GT2021-58736

Abstract

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Topics: Computer simulation , Condensation , Drops , Leakage flows , Nucleation (Physics) , Steam , Condensed matter , Flow (Dynamics) , Subcooling , Computational fluid dynamics

Experimental and Numerical Study for Improved Understanding of Mixed-Convection Type of Flows in Turbine Casing Cavities During Shut-Down Regimes

Oguzhan Murat, Budimir Rosic, Koichi Tanimoto, Ryo Egami

GT 2021; V008T22A008https://doi.org/10.1115/GT2021-59135

Abstract

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Topics: Cavities , Flow (Dynamics) , Mixed convection , Turbines , Computational fluid dynamics , Engines , Natural convection , Convection , Cooling , Cross-flow

Experimental Measurements and Numerical Investigations on the Aerodynamic Performance and Internal Flow Fields of Tangential Admission Volutes for Steam Turbines

Wensong Xue, Yang Chen, Zhigang Li, Jun Li

GT 2021; V008T22A009https://doi.org/10.1115/GT2021-59140

Abstract

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Topics: Internal flow , Steam turbines , Pressure , Flow (Dynamics) , Air flow , Design , Mach number , Numerical analysis , Optimization , Reynolds-averaged Navier–Stokes equations

Thrust Force Measurements in an Axial Steam Turbine Test Rig: Effect of Disk Balance Holes

Diganta Narzary, David Stasenko, Nikhil Rao

GT 2021; V008T22A010https://doi.org/10.1115/GT2021-59242

Abstract

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Topics: Disks , Force measurement , Steam turbines , Thrust , Pressure , Cavities , Rotors , Stators , Airfoils , Axial flow

Thermal Characterization of a Steam Turbine Casing Including Measuring of Adiabatic Wall Temperatures Using Proprietary Sensors

Bernhard Valerian Weigel, Stefan Odenbach, Wieland Uffrecht, Thomas Polklas

GT 2021; V008T22A011https://doi.org/10.1115/GT2021-59252

Abstract

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Topics: Sensors , Steam turbines , Thermal characterization , Wall temperature

Steam Turbine Overspeed Scenarios: Comparison Between API Energy Method and Dynamic Simulation

Fabrizio Piras, Federico Bucciarelli, Damaso Checcacci, Filippo Ingrasciotta

GT 2021; V008T22A012https://doi.org/10.1115/GT2021-59257

Abstract

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Topics: American Petroleum Institute , Simulation , Steam turbines , Design , Stress , Inertia (Mechanics) , Rotors , Turbomachinery , Blades , Dynamic models

Development of a Design Approach for the Optimization of Steam Turbine Exhaust System Performance Through CFD Modelling

Tommaso Diurno, Stella Grazia Tomasello, Tommaso Fondelli, Antonio Andreini, Bruno Facchini, Leonardo Nettis, Lorenzo Arcangeli

GT 2021; V008T22A013https://doi.org/10.1115/GT2021-59268

Abstract

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Topics: Computational fluid dynamics , Design , Exhaust systems , Modeling , Optimization , Steam turbines , Geometry , Diffusers , Engineering simulation , Flow (Dynamics)

Design and Validation of a Large Steam Turbine End-Stage Blade to Meet Current and Future Market Demands

Bertold Lübbe, Jens Aschenbruck, Oliver Pütz, Mira Theidel

GT 2021; V008T22A014https://doi.org/10.1115/GT2021-59315

Abstract

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Topics: Blades , Design , Steam turbines , Stress , Steel , Vibration , Condensers (steam plant) , Exhaust systems , Pressure , Strain gages

Steam Turbine Casing Analyses to Determine Pressure and Temperature Limits

Paul T. Smith, Daniel J. Griffin

GT 2021; V008T22A015https://doi.org/10.1115/GT2021-59535

Abstract

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Topics: Analytical methods , Finite element analysis , Pressure , Sealing (Process) , Steam turbines , Temperature , Turbines , Steam , Stress , Bolted joints