Topics: Annulus , Boundary layers , Computational fluid dynamics , Design , Diffusion (Physics) , Drag (Fluid dynamics) , Engineering simulation , Engines , Fans , Flow (Dynamics)

Internal Aerodynamic Performance Evaluation of Double Entrance S-Duct Intake at Moderately High Subsonic Mach Number

Satpreet Sidhu, Asad Asghar, William D. E. Allan, R. A. Stowe, R. Pimentel

GT 2021; V001T01A004doi:https://doi.org/10.1115/GT2021-58849

Abstract

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Topics: Ducts , Mach number , Performance evaluation , Pressure , Engines , Aircraft , Air flow , Aircraft propulsion , Computational fluid dynamics , Flow separation

Sensitivity Analysis of an Aircraft Engine Model Under Consideration of Dependent Variables

Julian Salomon, Jan Göing, Sebastian Lück, Matteo Broggi, Jens Friedrichs, Michael Beer

GT 2021; V001T01A005doi:https://doi.org/10.1115/GT2021-58905

Abstract

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Topics: Aircraft engines , Sensitivity analysis , Engines , Turbofans

Design and Analysis of an Aircraft Thermal Management System Linked to a Low-Bypass Ratio Turbofan Engine

Robert A. Clark, Mingxuan Shi, Jonathan Gladin, Dimitri Mavris

GT 2021; V001T01A006doi:https://doi.org/10.1115/GT2021-58942

Abstract

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Topics: Aircraft , Design , Engines , Thermal management , Turbofans , Stress , Cooling , Cycles , Heat , Flow (Dynamics)

Multi-Objective Optimization of Aero Engine Combustor Adopting an Integrated Procedure for Aero-Thermal Preliminary Design

Carlo Alberto Elmi, Ignazio Vitale, Hauke Reese, Antonio Andreini

GT 2021; V001T01A007doi:https://doi.org/10.1115/GT2021-58945

Abstract

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Topics: Aircraft engines , Combustion chambers , Design , Optimization , Pareto optimization

Study of Oil Film Heat Transfer in Gas Turbine Engine Bearing Chamber

Illia Petukhov, Taras Mykhailenko, Oleksii Lysytsia, Artem Kovalov

GT 2021; V001T01A008doi:https://doi.org/10.1115/GT2021-58964

Abstract

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Topics: Bearings , Gas turbines , Heat transfer , Thermal resistance

Numerical Investigation of Air-Oil Two-Phase Flow Pattern Transition in the Scavenge Line of an Aeroengine

Ghofrane Sekrani, Jean-Sebastien Dick, Sébastien Poncet, Sravankumar Nallamothu

GT 2021; V001T01A009doi:https://doi.org/10.1115/GT2021-58988

Abstract

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Topics: Two-phase flow , Flow (Dynamics) , Modeling , Fluids , Porosity , Turbulence , Air flow , Algebra , Calibration , Compressibility

Inlet Flow Distortion in an Advanced Civil Transport Boundary Layer Ingesting Engine Installation

D. K. Hall, E. M. Greitzer, A. Uranga, M. Drela, S. A. Pandya

GT 2021; V001T01A010doi:https://doi.org/10.1115/GT2021-59079

Abstract

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Topics: Boundary layers , Engines , Flow (Dynamics) , Aircraft , Computation , NASA , Pressure , Bubbles , Fans , Inflow

Evolutionary Algorithm for Enhanced Gas Path Analysis in Turbofan Engines

T. O. Rootliep, W. P. J. Visser, M. Nollet

GT 2021; V001T01A011doi:https://doi.org/10.1115/GT2021-59089

Abstract

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Topics: Engines , Evolutionary algorithms , Gas turbines , Turbofans

A Method of Solving Three Temperature Problem of Turbine With Adiabatic Wall Temperature

Zeyu Wu, Xiang Luo, Jianqin Zhu, Zhe Zhang, Jiahua Liu

GT 2021; V001T01A012doi:https://doi.org/10.1115/GT2021-59418

Abstract

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Topics: Cavities , Temperature , Turbines , Wall temperature

Estimation of Design Parameters and Performance for a State-of-the-Art Turbofan

Oliver Sjögren, Carlos Xisto, Tomas Grönstedt

GT 2021; V001T01A013doi:https://doi.org/10.1115/GT2021-59489

Abstract

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Topics: Design , Turbofans , Pressure , Uncertainty , Aviation , Cycles , Engines , Fuels , Aircraft engines , Commercial air transport

On the Shaft Speed Selection of Parallel Hybrid Aero Engines

Michael Sielemann, Jesse Gohl, Xin Zhao, Konstantinos Kyprianidis, Giorgio Valente, Sharmila Sumsurooah

GT 2021; V001T01A014doi:https://doi.org/10.1115/GT2021-59500

Abstract

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Topics: Aircraft , Aircraft engines , Cooling , Design , Drag (Fluid dynamics) , Electric propulsion , Electricity (Physics) , Fuel consumption , Gas turbines , Mach number

On the Use of an Inflatable Rubber Lip to Improve the Reverse Thrust Flow Field in a Variable Pitch Fan

David John Rajendran, Vassilios Pachidis

GT 2021; V001T01A015doi:https://doi.org/10.1115/GT2021-59526

Abstract

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Topics: Flow (Dynamics) , Rubber , Separation (Technology) , Thrust

Transient Analysis of Aircraft Oil Supply System With Fuel-Oil Heat Exchangers During Abrupt Change in Engine Operating Modes

Viktor Yevlakhov, Leonid Moroz, Andrii Khandrymailov, Yuriy Hyrka

GT 2021; V001T01A016doi:https://doi.org/10.1115/GT2021-59992

Abstract

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Topics: Aircraft , Engines , Flow (Dynamics) , Fuel oils , Fuels , Heat exchangers , Heat transfer , Thermofluids , Transient analysis , Temperature

The Use of Enhanced Nozzle Maps for Gas-Turbine Performance Modelling

Aws A. Al-Akam, Theoklis Nikolaidis, David G. MacManus, Alvise Pellegrini

GT 2021; V001T01A017doi:https://doi.org/10.1115/GT2021-60029

Abstract

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Topics: Aircraft engines , Engines , Gas turbines , Modeling , Nozzles

Investigation of a Passive Flow Control Device in an S-Duct Inlet at High Subsonic Flow

Courtney Rider, Asad Asghar, William D. E. Allan, Grant Ingram, Robert Stowe, Rogerio Pimentel

GT 2021; V001T01A018doi:https://doi.org/10.1115/GT2021-60230

Abstract

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Topics: Ducts , Flow control , Subsonic flow , Flow (Dynamics) , Computational fluid dynamics , Pressure , Simulation , Diffusers , Additive manufacturing , Airfoils

Aerodynamic Characteristics of a Blended-Wing-Body Aircraft With A Serpentine Inlet Using Flow Control Techniques

Min-Sik Youn, Youn-Jea Kim

GT 2021; V001T01A019doi:https://doi.org/10.1115/GT2021-60335

Abstract

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Topics: Aircraft , Ducts , Flow control , Wings

Fans and Blowers

Feasibility Study on the Effect of Blade Inclination for Heavy Duty Centrifugal Fans – Aerodynamic Aspects

Till M. Biedermann, Youssef Moutamassik, Frank Kameier

GT 2021; V001T10A001doi:https://doi.org/10.1115/GT2021-58505

Abstract

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Topics: Blades , Fans , Design , Impellers , Aerodynamics , Computational fluid dynamics , Inflow , Optimization , Stress , Testing

Study of CFD-Based Raised-Floor Data Center Cooling With Parametric CRAC Turbofan Blower Airflow Patterns

Zhihang Song, Wan Chen

GT 2021; V001T10A002doi:https://doi.org/10.1115/GT2021-58728

Abstract

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Topics: Air flow , Computational fluid dynamics , Cooling , Data centers , Turbofans

Effect of Tip Vortex Reduction on Air-Cooled Condenser Axial Flow Fan Performance: An Experimental Investigation

J. P. Pretorius, J. A. Erasmus

GT 2021; V001T10A003doi:https://doi.org/10.1115/GT2021-58735

Abstract

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Topics: Axial flow , Condensers (steam plant) , Wake turbulence

Optimization of a High Pressure Industrial Fan

Edward De Jesús Rivera, Fanny Besem-Cordova, Jean-Charles Bonaccorsi

GT 2021; V001T10A004doi:https://doi.org/10.1115/GT2021-58967

Abstract

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Topics: Computational fluid dynamics , High pressure (Physics) , Optimization

Preliminary Evaluation of the 24 Ft. Diameter Fan Performance In the MinWaterCSP Large Cooling Systems Test Facility

S. J. van der Spuy, D. N. J. Els, L. Tieghi, G. Delibra, A. Corsini, F. G. Louw, A. Zapke, C. J. Meyer

GT 2021; V001T10A005doi:https://doi.org/10.1115/GT2021-59130

Abstract

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Topics: Blades , Cooling systems , Pressure , Test facilities , Computational fluid dynamics , Rotors , Actuators , Axial flow , Concentrating solar power , Condensers (steam plant)

Cascade With Sinusoidal Leading Edges: Identification And Quantification of Deflection With Unsupervised Machine Learning

Alessandro Corsini, Giovanni Delibra, Lorenzo Tieghi, Francesco Aldo Tucci

GT 2021; V001T10A006doi:https://doi.org/10.1115/GT2021-59277

Abstract

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Topics: Cascades (Fluid dynamics) , Deflection , Machine learning

Optimization of a Tip Appendage for the Control of Tip Leakage Vortices in Axial Flow Fans

Thomas O. Meyer, Sybrand J. van der Spuy, Christiaan J. Meyer, Alessandro Corsini

GT 2021; V001T10A007doi:https://doi.org/10.1115/GT2021-59465

Abstract

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Topics: Axial flow , Fans , Leakage , Optimization , Vortices , Design , Performance characterization , Databases , Experimental design , Geometry

Overview of the Best 2020 Axial-Flow Fan Data and Inclusion in Similarity Charts for the Search of the Best Design

Massimo Masi, Piero Danieli, Andrea Lazzaretto

GT 2021; V001T10A008doi:https://doi.org/10.1115/GT2021-59491

Abstract

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Topics: Axial flow , Design

Morphing of Reversible Axial Fan Blade: A FSI-FEM Study

Valerio F. Barnabei, Alessio Castorrini, Alessandro Corsini, Franco Rispoli

GT 2021; V001T10A009doi:https://doi.org/10.1115/GT2021-59554

Abstract

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Topics: Blades , Finite element methods , Finite element model , Fluid structure interaction , Design , Flow (Dynamics) , Engineering simulation , Fluids , Shapes , Simulation

Analysis and Design of Centrifugal Blowers for the Pressure Ratio Range 1.2 - 1.8

Jonathon Howard, Abraham Engeda

GT 2021; V001T10A010doi:https://doi.org/10.1115/GT2021-59821

Abstract

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Topics: Blades , Compressors , Design , Impellers , Pressure

Performance Modification of an Erosion-Damaged Large-Sized Centrifugal Fan

Nicola Aldi, Nicola Casari, Michele Pinelli, Alessio Suman, Alessandro Vulpio, Paolo Saccenti

GT 2021; V001T10A011doi:https://doi.org/10.1115/GT2021-59832

Abstract

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Topics: Computational fluid dynamics , Erosion , Particulate matter

Marine

Case Closed: The Completion of the United States Navy 501-K34 Gas Turbine Engine RADCON Program (2011 - 2019)

Jeffrey S. Patterson, Kevin Fauvell, Dennis Russom, Willie A. Durosseau, Phyllis Petronello, Javier O. Moralez

GT 2021; V001T18A001doi:https://doi.org/10.1115/GT2021-00379

Abstract

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Topics: Gas turbines , Navy , Earthquakes , Damage , Aircraft , Contamination , Decontamination , Disasters , Governments , Hull

Upgrading Marine Engine Materials for Future Navy Ships

David A. Shifler, Donald Hoffman

GT 2021; V001T18A002doi:https://doi.org/10.1115/GT2021-01719

Abstract

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Topics: Corrosion , Engines , Navy , Oxidation , Ships , Temperature , Gas turbines , Blades , Marine gas turbines , Turbines

Hybrid Electric Drive Systems in the United States Navy

Gianfranco Buonamici

GT 2021; V001T18A003doi:https://doi.org/10.1115/GT2021-03523

Abstract

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Topics: Electric propulsion , Navy , Gas turbines , Ships , Fuel efficiency , Fuels , Electric motors , Energy consumption , Generators , Petroleum

The OP16 Gas Turbine Gen-Set for Marine Power Generation

Jan Horvath

GT 2021; V001T18A004doi:https://doi.org/10.1115/GT2021-59075

Abstract

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Topics: Gas turbines , Ocean energy , Vessels , Energy / power systems , Energy generation , Fuels , Machinery , Maintenance , Propulsion , Regulations

Research on Matching Characteristics of Ship-Engine-Propeller of COGAG

Zhitao Wang, Jiayi Ma, Haichao Yu, Tielei Li

GT 2021; V001T18A005doi:https://doi.org/10.1115/GT2021-59788

Abstract

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Topics: Economics , Engines , Propellers , Propulsion , Ships

Wind Energy

A Robust Procedure to Implement Dynamic Stall Models Into Actuator Line Methods for the Simulation of Vertical-Axis Wind Turbines

Pier Francesco Melani, Francesco Balduzzi, Alessandro Bianchini

GT 2021; V001T40A001doi:https://doi.org/10.1115/GT2021-59102

Abstract

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Topics: Actuators , Simulation , Vertical axis wind turbines , Flow (Dynamics) , Blades , Computational fluid dynamics , Signals , Turbines , Filtration , Inflow

Machine Learning Aided Prediction of Rain Erosion Damage on Wind Turbine Blade Sections

Alessio Castorrini, Paolo Venturini, Fabrizio Gerboni, Alessandro Corsini, Franco Rispoli

GT 2021; V001T40A002doi:https://doi.org/10.1115/GT2021-59156

Abstract

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Topics: Blades , Damage , Erosion , Machine learning , Wind turbines , Coating processes , Coatings , Energy generation , Modeling , Turbine blades

High Efficiency Wind Turbine Using Co-Flow Jet Active Flow Control

Kewei Xu, Gecheng Zha

GT 2021; V001T40A003doi:https://doi.org/10.1115/GT2021-59664

Abstract

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Topics: Flow (Dynamics) , Flow control , Wind turbines , Airfoils , Blades , Flow separation , Turbines , Wind velocity , Adaptive control , Doors

Influence of Yawed Wind Flow on the Blade Forces/Bending Moments and Blade Elastic Torsion for an Axial-Flow Wind Turbine

Mohammad H. B. Ahmadi, Zhiyin Yang

GT 2021; V001T40A004doi:https://doi.org/10.1115/GT2021-60237

Abstract

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Topics: Axial flow , Blades , Flow (Dynamics) , Torsion , Wind , Wind turbines , Risk-based maintenance , Rotors , Actuators , Horizontal axis wind turbines