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ASME Turbo Expo 2019: Turbomachinery Technical Conference and Exposition

June 17–21, 2019

Phoenix, Arizona, USA

Conference Sponsors:

ISBN:

978-0-7918-5857-8

In This Volume

Design Methods and CFD Modeling for Turbomachinery (39)

Volume 2C: Turbomachinery

Design Methods and CFD Modeling for Turbomachinery

Aerodynamic Shape Optimization of a Turbine Blade Considering Geometric Uncertainty Using an Adjoint Method

Jiaqi Luo, Yao Zheng

GT 2019; V02CT41A001doi:https://doi.org/10.1115/GT2019-90051

Abstract

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Topics: Shape optimization , Turbine blades , Uncertainty , Blades , Design , Optimization , Flow (Dynamics) , Shapes , Computation , Principal component analysis

A Methodology for Steady and Unsteady Full-Engine Simulations

Luigi Romagnosi, Yingchen Li, Mohamed Mezine, Mateus Teixeira, Stephane Vilmin, Jan E. Anker, Kilian Claramunt, Yannick Baux, Charles Hirsch

GT 2019; V02CT41A002doi:https://doi.org/10.1115/GT2019-90110

Abstract

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Topics: Engines , Simulation , Combustion chambers , Turbines , Compressors , Combustion , Blades , Computational fluid dynamics , Flamelet generated manifold , Reynolds-averaged Navier–Stokes equations

Using a New Entropy Loss Analysis to Assess the Accuracy of RANS Predictions of an HPT Vane

Yaomin Zhao, Richard D. Sandberg

GT 2019; V02CT41A003doi:https://doi.org/10.1115/GT2019-90126

Abstract

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Topics: Entropy , Reynolds-averaged Navier–Stokes equations , Turbulence , Flow (Dynamics) , Energy dissipation , Heat flux , Wakes , Errors , Failure , Fluctuations (Physics)

Effect of Tip Clearance on Rotating Stall in a Mixed-Flow Pump

Wei Li, Ramesh K. Agarwal, Ling Zhou, Enda Li, Leilei Ji

GT 2019; V02CT41A004doi:https://doi.org/10.1115/GT2019-90134

Abstract

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Topics: Clearances (Engineering) , Flow (Dynamics) , Pumps , Leakage flows , Blades , Flow separation , Internal flow , Leakage , Vortices , Computer simulation

Simulation of an Aero-Engine Bearing Compartment Using Two-Way Transition Between Lagrangian Droplets and a Three-Dimensional Eulerian Liquid Film

Jean-Sebastien Dick, Vivek Kumar, Pravin Nakod, Federico Montanari

GT 2019; V02CT41A005doi:https://doi.org/10.1115/GT2019-90146

Abstract

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Topics: Aircraft engines , Bearings , Drops , Liquid films , Simulation , Modeling , Particulate matter , Computer simulation , Fluids , Resolution (Optics)

Investigation and Prediction Models of the Axial Thrust in Centrifugal Compressors

Mohand Younsi, Eric Hypolite

GT 2019; V02CT41A006doi:https://doi.org/10.1115/GT2019-90165

Abstract

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Topics: Compressors , Thrust , Computational fluid dynamics , Aerodynamics , Computer simulation , Flow (Dynamics) , Fluid-dynamic forces , Geometry , Impellers , Pumps

Prediction of Separated Flow Transition Using LES and Transitional RANS Model

Ettore Bertolini, Paul Pieringer, Wolfgang Sanz

GT 2019; V02CT41A007doi:https://doi.org/10.1115/GT2019-90214

Abstract

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Topics: Flow (Dynamics) , Reynolds-averaged Navier–Stokes equations , Boundary layers , Engineering simulation , Simulation , Blades , Separation (Technology) , Bubbles , Cascades (Fluid dynamics) , Suction

The Effect of Isentropic Exponent on Transonic Turbine Performance

David Baumgärtner, John J. Otter, Andrew P. S. Wheeler

GT 2019; V02CT41A008doi:https://doi.org/10.1115/GT2019-90251

Abstract

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Topics: Turbines , Carbon dioxide , Cascades (Fluid dynamics) , Engineering simulation , Flow (Dynamics) , Fluids , Gasdynamics , Mach number , Simulation , Temperature

Conceptual Fan Design for Boundary Layer Ingestion

M. Mennicken, D. Schoenweitz, M. Schnoes, R. Schnell

GT 2019; V02CT41A009doi:https://doi.org/10.1115/GT2019-90257

Abstract

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Topics: Boundary layers , Design , Design methodology , Mach number , Fans , Flow (Dynamics) , Aircraft , Annulus , Blades , Calibration

A New OpenFOAM Solver Capable of Modelling Oil Jet-Breakup and Subsequent Film Formation for Bearing Chamber Applications

Andrew Nicoli, Richard Jefferson-Loveday, Kathy Simmons

GT 2019; V02CT41A010doi:https://doi.org/10.1115/GT2019-90264

Abstract

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Topics: Bearings , Modeling , Drops , Computational fluid dynamics , Particulate matter , Ducts , Film thickness , Momentum , Separation (Technology) , Thin films

Influence of Thermodynamic and Regime Parameters on the Efficiency of a System of Series Connected Low-Power Natural Gas Turbogenerators

D. S. Kalabukhov

GT 2019; V02CT41A011doi:https://doi.org/10.1115/GT2019-90310

Abstract

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Topics: Natural gas , Turbogenerators , Turbines , Design , Compressors , Computer software , Electric power generation , Energy efficiency , Flow (Dynamics) , Gas industry

Multi-Scale Parallelised CFD Modelling Towards Resolving Manufacturable Roughness

Marios Kapsis, Li He, Yan Sheng Li, Roger Wells, Omar Valero, Senthil Krishnababu, Gaurav Gupta, Jayanta Kapat, Megan Schaenzer

GT 2019; V02CT41A012doi:https://doi.org/10.1115/GT2019-90314

Abstract

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Topics: Computational fluid dynamics , Modeling , Surface roughness , Flow (Dynamics) , Resolution (Optics) , Design , Additive manufacturing , Finishes , Simulation , Spacetime

Reduced-Order Model of Unsteady Flows in a Turbomachinery Fan Modeled Using a Novel Proper Orthogonal Decomposition

Elizabeth H. Krath, Forrest L. Carpenter, Paul G. A. Cizmas, David A. Johnston

GT 2019; V02CT41A013doi:https://doi.org/10.1115/GT2019-90323

Abstract

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Topics: Principal component analysis , Turbomachinery , Unsteady flow , Boundary-value problems , Computation , Density , Differential equations , Flow (Dynamics) , Rotors

Modeling of Combustor and Turbine Vane Interaction

Ishan Verma, Laith Zori, Jaydeep Basani, Samir Rida

GT 2019; V02CT41A014doi:https://doi.org/10.1115/GT2019-90325

Abstract

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Topics: Combustion chambers , Modeling , Turbines , Simulation , Nozzle guide vanes , Aircraft engines , Flow (Dynamics) , Boundary-value problems , Compressors , Engines

Modelling the Unsteady Dynamics of a Turbine Research Facility

John P. Longley

GT 2019; V02CT41A015doi:https://doi.org/10.1115/GT2019-90352

Abstract

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Topics: Dynamics (Mechanics) , Modeling , Turbines , Control systems , Simulation , Flow (Dynamics) , Noise (Sound) , Brakes , Honeycomb structures , Reliability

Improving Steady CFD to Capture the Effects of Radial Mixing in Axial Compressors

Lorenzo Cozzi, Filippo Rubechini, Andrea Arnone, Andrea Schneider, Pio Astrua

GT 2019; V02CT41A016doi:https://doi.org/10.1115/GT2019-90363

Abstract

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Topics: Compressors , Computational fluid dynamics , Flow (Dynamics) , Simulation , Blades , Convection , Performance , Reynolds-averaged Navier–Stokes equations , Steady state , Vorticity

Transient CFD Co-Simulation of a 3D Compressor Model in its 1D System Environment

Andreas Spille-Kohoff, Farai Hetze, Bennie Du Toit

GT 2019; V02CT41A017doi:https://doi.org/10.1115/GT2019-90426

Abstract

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Topics: Compressors , Computational fluid dynamics , Simulation , Transients (Dynamics) , Machinery , Pressure , Flow (Dynamics) , Pressurized gas , Screws , Turbochargers

Evaluation of the Numerical Modelling of a High Pressure Turbine Test Rig

David Luquet, Francois Julienne, Aurélien Arntz, Eric Lippinois

GT 2019; V02CT41A018doi:https://doi.org/10.1115/GT2019-90483

Abstract

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Topics: High pressure (Physics) , Modeling , Turbines , Computation , Combustion chambers , Reynolds-averaged Navier–Stokes equations , Air flow , Blades , Boundary-value problems , Cooling

Numerical Simulation and Design Optimization of an Electrical Submersible Power Recovery Turbine

Risa Rutter, Tony Hepp, David McManus

GT 2019; V02CT41A019doi:https://doi.org/10.1115/GT2019-90643

Abstract

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Topics: Computer simulation , Design , Optimization , Submersibles , Turbines , Computational fluid dynamics , Impellers , Pumps , Thrust , Engines

Inlet and Outlet Characteristics Boundary Conditions for Large Eddy Simulations of Turbomachinery

Nicolas Odier, Thierry Poinsot, Florent Duchaine, Laurent Gicquel, Stéphane Moreau

GT 2019; V02CT41A020doi:https://doi.org/10.1115/GT2019-90747

Abstract

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Topics: Boundary-value problems , Large eddy simulation , Turbomachinery , Flow (Dynamics) , Pressure , Computational fluid dynamics , Relaxation (Physics) , Temperature

CFD-Based Throughflow Analysis of Transonic Flows in Steam Turbines

Martina Ricci, Roberto Pacciani, Michele Marconcini, Paolo Macelloni, Stefano Cecchi, Claudio Bettini

GT 2019; V02CT41A021doi:https://doi.org/10.1115/GT2019-90851

Abstract

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Topics: Computational fluid dynamics , Steam turbines , Transonic flow , Flow (Dynamics) , Pressure , Blades , Design , Gas flow , Leakage , Rotors

High Pressure Compressor Aerodynamic Performance at Uncertain Boundary Conditions

Philip Magin, Florian Danner, Matthias Voigt, Ronald Mailach

GT 2019; V02CT41A022doi:https://doi.org/10.1115/GT2019-90908

Abstract

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Topics: Boundary-value problems , Compressors , High pressure (Physics) , Engines , Uncertainty , Computational fluid dynamics , Cycles , Flight , Turbomachinery , Accounting

Scale-Resolving Simulations of a Fundamental Trailing-Edge Cooling Slot Using a Discontinuous-Galerkin Spectral-Element Method

Anirban Garai, Scott M. Murman, Nateri K. Madavan

GT 2019; V02CT41A023doi:https://doi.org/10.1115/GT2019-91146

Abstract

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Topics: Cooling , Engineering simulation , Simulation , Turbulence , Airfoils , Turbines , Compressors , Design , Entropy , Flow (Dynamics)

Favre-Averaged Fourier-Based Methods for Gas Turbine Flows

Feng Wang, Luca di Mare, Paolo Adami

GT 2019; V02CT41A024doi:https://doi.org/10.1115/GT2019-91300

Abstract

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Topics: Flow (Dynamics) , Gas turbines , Design , Simulation , Turbomachinery , Unsteady flow , Compressors , Computational fluid dynamics , Modeling , Reynolds-averaged Navier–Stokes equations

Numerical Investigations on the Power Generation of Turbo-Expander During the Propane De-Hydrogenation Process

Hwabhin Kwon, Heesung Park

GT 2019; V02CT41A025doi:https://doi.org/10.1115/GT2019-91306

Abstract

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Topics: Energy generation , Turbochargers , Pressure , Blades , Fluids , Computer simulation , Electricity (Physics) , Generators , Kinetic energy , Vortices

Prediction of Film Thickness of an Aero-Engine Bearing Chamber Using Coupled VOF and Thin Film Model

Kuldeep Singh, Medhat Sharabi, Stephen Ambrose, Carol Eastwick, Richard Jefferson-Loveday

GT 2019; V02CT41A026doi:https://doi.org/10.1115/GT2019-91314

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Topics: Aircraft engines , Bearings , Film thickness , Thin films , Air flow , Fluids , Lubricants

Assessment of an Enhanced Thin Film Model to Capture Wetting and Drying Behavior in an Aero-Engine Bearing Chamber

Kuldeep Singh, Medhat Sharabi, Stephen Ambrose, Carol Eastwick, Richard Jefferson-Loveday, Jing Cao, Adrian Jacobs

GT 2019; V02CT41A027doi:https://doi.org/10.1115/GT2019-91323

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Topics: Aircraft engines , Bearings , Drying , Thin films , Wetting , Film thickness , Lubricants , Air flow , Flat plates , Fluids

Numerical Investigation of Vaneless Diffuser by Pinching and Rotation

Porika Niveditha, Bhamidi V. S. S. S. Prasad

GT 2019; V02CT41A028doi:https://doi.org/10.1115/GT2019-91353

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Topics: Rotation , Vaneless diffusers

New Methods for Secondary Flow Phenomena Visualization and Analysis

Mattia Straccia, Rodolfo Hofmann, Volker Gümmer

GT 2019; V02CT41A029doi:https://doi.org/10.1115/GT2019-91378

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Topics: Flow (Dynamics) , Visualization , Vortices , Turbulence , Boundary layers , Rotors , Shock (Mechanics) , Design , Engineering simulation , Equilibrium (Physics)

Comprehensive Smith Charts for Axial Compressor Design

Mark R. Anderson

GT 2019; V02CT41A030doi:https://doi.org/10.1115/GT2019-91569

Abstract

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Topics: Compressors , Design , Flow (Dynamics) , Mach number , Optimization , Turbines , Computational fluid dynamics , Generators , Geometry , Inflow

Adjoint Based Aerodynamic Optimization of a Multi-Splitter Turbine Vane Frame

Vincenzo Russo, Simone Orsenigo, Lasse Mueller, Tom Verstraete, Sergio Lavagnoli

GT 2019; V02CT41A031doi:https://doi.org/10.1115/GT2019-91608

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Topics: Optimization , Turbines , Pressure , Design , Geometry , Aerodynamics , Airfoils , Aircraft engines , Algorithms , Chords (Trusses)

On the Effect of Inflow Disturbances on the Flow Past a Linear LPT Vane Using Spectral/hp Element Methods

Andrea Cassinelli, Hui Xu, Francesco Montomoli, Paolo Adami, Raul Vazquez Diaz, Spencer J. Sherwin

GT 2019; V02CT41A032doi:https://doi.org/10.1115/GT2019-91622

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Topics: Flow (Dynamics) , Inflow , Cascades (Fluid dynamics) , Blades , Computer software , Momentum , Turbulence , Boundary layers , Computational fluid dynamics , Design

A Step Towards an Intelligent Aerodynamic Design Process

Christopher J. Clark

GT 2019; V02CT41A033doi:https://doi.org/10.1115/GT2019-91637

Abstract

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Topics: Design , Errors , Databases , Blades , Flow (Dynamics) , Geometry , Mach number , Airfoils , Design methodology , Iterative methods

Modelling Droplet Heat and Mass Transfer in Aero-Engine Bearing Chambers

Dafne Gaviria Arcila, Hervé Morvan, Kathy Simmons, Stephen Ambrose, Michael Walsh, Bruce Kakimpa

GT 2019; V02CT41A034doi:https://doi.org/10.1115/GT2019-91657

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Topics: Aircraft engines , Bearings , Drops , Heat , Mass transfer , Modeling , Evaporation , Air flow , Flow (Dynamics) , Temperature

Efficient Passage-Spectral Method for Unsteady Flows Under Stall Conditions

David Romera, Roque Corral

GT 2019; V02CT41A035doi:https://doi.org/10.1115/GT2019-91661

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Topics: Unsteady flow , Flow (Dynamics) , Annulus , Fourier series , Modeling , NASA , Rotors , Blades , Compressors , Leakage

An Analytical Shock-Loss Model Fully Integrated to a Streamline Curvature Method for Axial-Flow Compressors

Hasani Azamar Aguirre, Vassilios Pachidis, Ioannis Templalexis

GT 2019; V02CT41A036doi:https://doi.org/10.1115/GT2019-91701

Abstract

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Topics: Axial flow , Compressors , Shock (Mechanics) , Design , Blades , Flow (Dynamics) , Physics , Pressure , Compressible flow , Computational fluid dynamics

A Comparison of Tip Gap Loss Sensitivity for Shrouded vs. Unshrouded Turbine Rotors

William V. Banks, Ali A. Ameri, Robert J. Boyle, Jeffrey P. Bons

GT 2019; V02CT41A037doi:https://doi.org/10.1115/GT2019-91747

Abstract

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Topics: Rotors , Turbines , Blades , Clearances (Engineering) , Aircraft engines , Boundary-value problems , Flow (Dynamics) , High pressure (Physics) , NASA , Pressure