Topics: Computational fluid dynamics , Design , Eddies (Fluid dynamics) , Flow (Dynamics) , Geometry , Large eddy simulation , Pressure , Rotors , Separation (Technology) , Simulation

Investigation on a Blockerless Cascade Thrust Reverser System Based on Response Surface Method

Li Zhou, Zhanxue Wang, Jingwei Shi, Xiaobo Zhang

GT 2018; V001T01A003https://doi.org/10.1115/GT2018-75110

Abstract

View Articletitled, Investigation on a Blockerless Cascade Thrust Reverser System Based on Response Surface Method

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Topics: Cascades (Fluid dynamics) , Response surface methodology , Thrust reversers , Flow (Dynamics) , Thrust , Design , Doors , High pressure (Physics) , Pressure , Actuators

Characterization of an Aircraft Auxiliary Power Unit Test Rig for Cycle Optimization Studies

Jan Zanger, Thomas Krummrein, Teresa Siebel, Jürgen Roth

GT 2018; V001T01A004https://doi.org/10.1115/GT2018-75180

Abstract

View Articletitled, Characterization of an Aircraft Auxiliary Power Unit Test Rig for Cycle Optimization Studies

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Topics: Aircraft , Cycles , Optimization , Compressors , Stress , Flow (Dynamics) , Temperature , Turbines , Boundary-value problems , Design

Estimating the Drag Developed by a High Bypass Ratio Turbofan Engine

M. S. Zawislak, D. J. Cerantola, A. M. Birk

GT 2018; V001T01A005https://doi.org/10.1115/GT2018-75204

Abstract

View Articletitled, Estimating the Drag Developed by a High Bypass Ratio Turbofan Engine

PDF

Topics: Drag (Fluid dynamics) , Engines , Turbofans , Thrust , Computational fluid dynamics , Boats , Databases , Design , Ducts , Engineering simulation

Effects of Transient Heat Transfer on Compressor Stability

A. Kiss, Z. Spakovszky

GT 2018; V001T01A006https://doi.org/10.1115/GT2018-75413

Abstract

View Articletitled, Effects of Transient Heat Transfer on Compressor Stability

PDF

Topics: Compressors , Stability , Transient heat transfer , Heat transfer , Transients (Dynamics) , Blades , Flow (Dynamics) , Computation , Engines , Capacitance

Dual Drive Booster for a Two-Spool Turbofan: High Shaft Power Offtake Capability for MEA and Hybrid Aircraft Concepts

Vadim Kloos, Trevor H. Speak, Robert J. Sellick, Peter Jeschke

GT 2018; V001T01A007https://doi.org/10.1115/GT2018-75501

Abstract

View Articletitled, Dual Drive Booster for a Two-Spool Turbofan: High Shaft Power Offtake Capability for MEA and Hybrid Aircraft Concepts

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Topics: Aircraft , Turbofans , Engines , Design , High pressure (Physics) , Compressors , Engine design , Pressure , Architecture , Electricity (Physics)

Assessment of CO₂ and NO_x Emissions in Intercooled Pulsed Detonation Turbofan Engines

Carlos Xisto, Olivier Petit, Tomas Grönstedt, Anders Lundbladh

GT 2018; V001T01A008https://doi.org/10.1115/GT2018-75510

Abstract

View Articletitled, Assessment of CO<sub>2</sub> and NO<sub>x</sub> Emissions in Intercooled Pulsed Detonation Turbofan Engines

PDF

Topics: Carbon dioxide , Emissions , Engines , Explosions , Nitrogen oxides , Turbofans , Fuels , Combustion , Combustion chambers , Gas turbines

An Investigation of Flow Characteristics and Parameter Effects for a New Concept of Hybrid SVC Nozzle

F. Song, J. W. Shi, L. Zhou, Z. X. Wang, X. B. Zhang

GT 2018; V001T01A009https://doi.org/10.1115/GT2018-75511

Abstract

View Articletitled, An Investigation of Flow Characteristics and Parameter Effects for a New Concept of Hybrid SVC Nozzle

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Topics: Flow (Dynamics) , Nozzles , Thrust , Pressure , Valves , Aircraft engines , Deflection , Exhaust systems , Weight (Mass)

A Top-Down Approach for Quantifying the Contribution of High Pressure Compressor Deterioration Mechanisms to the Performance Deterioration of Turbofan Engines

Helena Vogel, André Kando, Holger Schulte, Stephan Staudacher

GT 2018; V001T01A010https://doi.org/10.1115/GT2018-75558

Abstract

View Articletitled, A Top-Down Approach for Quantifying the Contribution of High Pressure Compressor Deterioration Mechanisms to the Performance Deterioration of Turbofan Engines

PDF

Topics: Compressors , Engines , High pressure (Physics) , Turbofans , Flight , Time series , Abrasion , Condition monitoring , Erosion , Fittings

The Assessment of Assemblability and Dissassemblability of Aero Engines During Preliminary Design

Jochen Mall, Stephan Staudacher, Christian Koch

GT 2018; V001T01A011https://doi.org/10.1115/GT2018-75615

Abstract

View Articletitled, The Assessment of Assemblability and Dissassemblability of Aero Engines During Preliminary Design

PDF

Topics: Aircraft engines , Design , Manufacturing , Air traffic control , Aircraft , Optimization , Pressure , Product design , Product development , Turbines

Evaluation of the Fuel Saving Potential Regarding Recuperated Helicopter Flight Conditions

Chengyu Zhang, Martin Kerler, Volker Gümmer

GT 2018; V001T01A012https://doi.org/10.1115/GT2018-75637

Abstract

View Articletitled, Evaluation of the Fuel Saving Potential Regarding Recuperated Helicopter Flight Conditions

PDF

Topics: Flight , Fuels , Weight (Mass) , Cycles , Engines , Electromagnetic weapons , Gas turbines , Simulation , Aircraft , Compressed air

Integration of 3D-CFD Component Simulation Into Overall Engine Performance Analysis for Engine Condition Monitoring Purposes

C. Klein, F. Wolters, S. Reitenbach, D. Schönweitz

GT 2018; V001T01A013https://doi.org/10.1115/GT2018-75719

Abstract

View Articletitled, Integration of 3D-CFD Component Simulation Into Overall Engine Performance Analysis for Engine Condition Monitoring Purposes

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Topics: Computational fluid dynamics , Condition monitoring , Engines , Simulation , Blades , Clearances (Engineering) , Cycles , Damage , Guide vanes , Hardware

Numerical Investigation on Bearing Chamber Wall Heat Transfer

Volkan Tatar, Altug Piskin

GT 2018; V001T01A014https://doi.org/10.1115/GT2018-75721

Abstract

View Articletitled, Numerical Investigation on Bearing Chamber Wall Heat Transfer

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Topics: Bearings , Heat transfer , Engines , Flow (Dynamics) , Temperature , Finite element analysis , Modeling , Reynolds number , Sealing (Process) , Wall temperature

Demonstration of a Remotely-Controlled Swirl Generator for Simulating Aircraft Inlet Secondary Flows During Turbine Engine Ground Tests

David Beale

GT 2018; V001T01A015https://doi.org/10.1115/GT2018-75749

Abstract

View Articletitled, Demonstration of a Remotely-Controlled Swirl Generator for Simulating Aircraft Inlet Secondary Flows During Turbine Engine Ground Tests

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Topics: Aircraft , Flow (Dynamics) , Gas turbines , Generators , Engines , Engineering prototypes , Simulation , Warfare , Avionics , Control systems

Pressure Equalization Method for Passive Flow Control of an S-Duct Intake for High Subsonic Speeds

Asad Asghar, Stephen Pym, William D. E. Allan, Marc LaViolette, Robert Stowe

GT 2018; V001T01A016https://doi.org/10.1115/GT2018-75793

Abstract

View Articletitled, Pressure Equalization Method for Passive Flow Control of an S-Duct Intake for High Subsonic Speeds

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Topics: Ducts , Flow control , Pressure , Flow (Dynamics) , Engines , Mach number , Aircraft , Aircraft engines , Boundary layers , Diffusers

Foreign Object Damage Diagnosis of Aero-Engine Compressor Based on Damping Averaging Built-in Matrix Method

Shuming Wu, Xuefeng Chen, Pete Russhard, Shibin Wang, Zhi Zhai, Zhibin Zhao

GT 2018; V001T01A017https://doi.org/10.1115/GT2018-75798

Abstract

View Articletitled, Foreign Object Damage Diagnosis of Aero-Engine Compressor Based on Damping Averaging Built-in Matrix Method

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Topics: Aircraft engines , Compressors , Damage , Damping , Blades , Signals , Transients (Dynamics) , Finite element model , Cycles , Engines

Heat Generation in a Main-Shaft Turbine Aero-Engine Bearing Considering Metal and Ceramic Rolling Elements

Brian D. Nicholson, Jeremy T. Nickell

GT 2018; V001T01A018https://doi.org/10.1115/GT2018-75851

Abstract

View Articletitled, Heat Generation in a Main-Shaft Turbine Aero-Engine Bearing Considering Metal and Ceramic Rolling Elements

PDF

Topics: Aircraft engines , Bearings , Ceramics , Heat , Metals , Turbines , Lubricants , Flow (Dynamics) , Stress , Temperature

Numerical Modelling of Shock Wave Boundary Layer Interactions in Aero-Engine Intakes at Incidence

Hardeep S. Kalsi, Paul G. Tucker

GT 2018; V001T01A019https://doi.org/10.1115/GT2018-75872

Abstract

View Articletitled, Numerical Modelling of Shock Wave Boundary Layer Interactions in Aero-Engine Intakes at Incidence

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Topics: Aircraft engines , Boundary layers , Modeling , Shock waves , Reynolds-averaged Navier–Stokes equations , Flow (Dynamics) , Shock (Mechanics) , Oscillations , Simulation , Shapes

Impact of Turbine Blade Stagger Angle Adjustment on the Efficiency and Performance of Gas Turbines During Off-Design and Dynamic Operation

Meinhard T. Schobeiri

GT 2018; V001T01A020https://doi.org/10.1115/GT2018-75968

Abstract

View Articletitled, Impact of Turbine Blade Stagger Angle Adjustment on the Efficiency and Performance of Gas Turbines During Off-Design and Dynamic Operation

PDF

Topics: Design , Gas turbines , Turbine blades , Blades , Compressors , Engines , Flow (Dynamics) , Stators , Turbines , Aircraft engines

Near and Far Field Noise Decay From a Quadcopter Propeller With and Without a Leading Edge Notch

Kenneth Van Treuren, Charles Wisniewski, Emily Cinnamon

GT 2018; V001T01A021https://doi.org/10.1115/GT2018-75973

Abstract

View Articletitled, Near and Far Field Noise Decay From a Quadcopter Propeller With and Without a Leading Edge Notch

PDF

Topics: Noise (Sound) , Propellers , Wake turbulence , Cities , Cutting , Design , Electric propulsion , Electronic systems , Flow (Dynamics) , Phantoms

Simulation and Analysis of Oil Scoop Capture Efficiency

Lyu Yaguo, Jiang Le, Liu Zhenxia, Hu Jianping

GT 2018; V001T01A022https://doi.org/10.1115/GT2018-75989

Abstract

View Articletitled, Simulation and Analysis of Oil Scoop Capture Efficiency

PDF

Topics: Aircraft engines , Bearings , Computer simulation , Flow (Dynamics) , Lubrication , Nozzles , Optimization , Rotation , Simulation , Two-phase flow

Thermodynamic Analysis on Optimum Pressure Ratio Split of Intercooled Recuperated Turbofan Engines

Hualei Li, Zhiyong Tan

GT 2018; V001T01A023https://doi.org/10.1115/GT2018-76121

Abstract

View Articletitled, Thermodynamic Analysis on Optimum Pressure Ratio Split of Intercooled Recuperated Turbofan Engines

PDF

Topics: Engines , Pressure , Turbofans , Compression , Compressors , Cycles , Turbines , Corporate average fuel economy , Emissions , Exhaust systems

Application of Kriging Metamodels to the Automated Start Value Generation for Gas Turbine Performance Simulations

Jens Schmeink, Richard-Gregor Becker

GT 2018; V001T01A024https://doi.org/10.1115/GT2018-76153

Abstract

View Articletitled, Application of Kriging Metamodels to the Automated Start Value Generation for Gas Turbine Performance Simulations

PDF

Topics: Engineering simulation , Gas turbines , Simulation , Flight , Generators , Robustness , Simulation results

Effect of Aft Rotor on Forward Rotor Blade Wakes in Open Rotor Propulsion Systems

Charles DeLorenzo, Jared Deleon, Paul E. Slaboch

GT 2018; V001T01A025https://doi.org/10.1115/GT2018-76183

Abstract

View Articletitled, Effect of Aft Rotor on Forward Rotor Blade Wakes in Open Rotor Propulsion Systems

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Topics: Blades , Propulsion systems , Rotors , Wakes , Algorithms , Acoustics , Aviation , Data acquisition , Data acquisition systems , Data collection

Throughflow Method for a Combustion Chamber With Effusion Cooling Modelling

Xiaoheng Liu, Donghai Jin, Xingmin Gui

GT 2018; V001T01A026https://doi.org/10.1115/GT2018-76195

Abstract

View Articletitled, Throughflow Method for a Combustion Chamber With Effusion Cooling Modelling

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Topics: Combustion chambers , Cooling , Modeling , Simulation , Flow (Dynamics) , Boundary-value problems , Computers , Film cooling , Gas turbines , Performance characterization

Thermal Management System for the MEE and Engine Embedded Electric Machine

Noriko Morioka, Hitoshi Oyori, Naoki Seki, Tsuyoshi Fukuda, Fuminori Suzuki

GT 2018; V001T01A027https://doi.org/10.1115/GT2018-76356

Abstract

View Articletitled, Thermal Management System for the MEE and Engine Embedded Electric Machine

PDF

Topics: Engines , Machinery , Thermal management , Heat , Propulsion systems , Design , Gears , Turbofans , Aircraft , Aviation

Investigation of Oil Jet Impingement on a Rotating Gear Using Lattice Boltzman Method (LBM)

Stephen Ambrose, Hervé Morvan, Kathy Simmons

GT 2018; V001T01A028https://doi.org/10.1115/GT2018-76371

Abstract

View Articletitled, Investigation of Oil Jet Impingement on a Rotating Gear Using Lattice Boltzman Method (LBM)

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Topics: Gears , Particulate matter , Computational fluid dynamics , Cooling , Engineering simulation , Flow (Dynamics) , Heat , Mechanical drives , Simulation , Turbulence

Analysis and Testing of Aerobatic Turboprop Aircraft Inlet

Pierre-Jean Faltot, Daniela Pitel Welnitz, Philippe Vertenoeuil, Tomas Vlach, Luca Lombardi, Michele D’Ercole

GT 2018; V001T01A029https://doi.org/10.1115/GT2018-76398

Abstract

View Articletitled, Analysis and Testing of Aerobatic Turboprop Aircraft Inlet

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Topics: Aircraft , Testing , Engines , Design , Geometry , Computational fluid dynamics , Flight , Flow (Dynamics) , Military systems , Propellers

Direct Integration of Axial Turbomachinery Preliminary Aerodynamic Design Calculations in Engine Performance Component Models

Ioannis Kolias, Alexios Alexiou, Nikolaos Aretakis, Konstantinos Mathioudakis

GT 2018; V001T01A030https://doi.org/10.1115/GT2018-76494

Abstract

View Articletitled, Direct Integration of Axial Turbomachinery Preliminary Aerodynamic Design Calculations in Engine Performance Component Models

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Topics: Design , Engines , Turbomachinery , Compressors , Turbines , Annulus , Axial flow , Blades , Cycles , Engine design

Measurement Quality Assessment of an On-Wing Engine Thrust Measurement System

Marc Bauer, Jens Friedrichs, Detlev Wulff, Christian Werner-Spatz

GT 2018; V001T01A031https://doi.org/10.1115/GT2018-76496

Abstract

View Articletitled, Measurement Quality Assessment of an On-Wing Engine Thrust Measurement System

PDF

Topics: Engines , Measurement systems , Thrust , Wings , Aircraft , Maintenance , Flight , Aircraft engines , Condition monitoring , Drag (Fluid dynamics)

Turbofan Nose Cone Interactions With Inlet Swirl

Dustin J. Frohnapfel, Elizabeth Mack, Alexandrina Untaroiu, Walter F. O’Brien, K. Todd Lowe

GT 2018; V001T01A032https://doi.org/10.1115/GT2018-76616

Abstract

View Articletitled, Turbofan Nose Cone Interactions With Inlet Swirl

PDF

Topics: Turbofans , Fluids , Ducts , Engines , Architecture , Aviation , Computational fluid dynamics , Flow (Dynamics) , Geometry , Modeling

Investigation of a Passive Flow Control Device in an S-Duct Inlet of a Propulsion System With High Subsonic Flow

Asad Asghar, Satpreet Sidhu, William D. E. Allan, Grant Ingram, Tom M. Hickling, Robert Stowe

GT 2018; V001T01A033https://doi.org/10.1115/GT2018-76636

Abstract

View Articletitled, Investigation of a Passive Flow Control Device in an S-Duct Inlet of a Propulsion System With High Subsonic Flow

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Topics: Ducts , Flow control , Propulsion systems , Subsonic flow , Pressure , Flow (Dynamics) , Geometry , Additive manufacturing , Computational fluid dynamics , Diffusers

High Fidelity Modeling of the Acceleration of a Turboshaft Engine During a Restart

Antoine Ferrand, Marc Bellenoue, Yves Bertin, Radu Cirligeanu, Patrick Marconi, Fabien Mercier-Calvairac

GT 2018; V001T01A034https://doi.org/10.1115/GT2018-76654

Abstract

View Articletitled, High Fidelity Modeling of the Acceleration of a Turboshaft Engine During a Restart

PDF

Topics: Engines , Modeling , Generators , Air flow , Combustion , Engineering simulation , Flight , Simulation , Sleep , Temperature

S-Duct Diffuser Offset-to-Length Ratio Effect on Aerodynamic Performance of Propulsion-System Inlet of High Speed Aircraft

Asad Asghar, William D. E. Allan, Marc LaViolette, Robert Stowe, Derrick Alexander, Grant Ingram

GT 2018; V001T01A035https://doi.org/10.1115/GT2018-76661

Abstract

View Articletitled, S-Duct Diffuser Offset-to-Length Ratio Effect on Aerodynamic Performance of Propulsion-System Inlet of High Speed Aircraft

PDF

Topics: Aircraft , Diffusers , Ducts , Propulsion systems , Pressure , Flow (Dynamics) , Additive manufacturing , Aircraft engines , Computational fluid dynamics , Drag (Fluid dynamics)

Experimental Study on Acoustic Performances of Notched Nozzle Using a Subscale Turbofan Engine

Tatsuya Ishii, Kenichiro Nagai, Hideshi Oinuma, Ryo Kagaya, Tsutomu Oishi

GT 2018; V001T01A036https://doi.org/10.1115/GT2018-76713

Abstract

View Articletitled, Experimental Study on Acoustic Performances of Notched Nozzle Using a Subscale Turbofan Engine

PDF

Topics: Acoustics , Engines , Nozzles , Turbofans , Noise (Sound) , Fuel consumption , Thrust , Aerospace industry , Emissions , Exhaust systems

Design and Application of a Multi-Disciplinary Pre-Design Process for Novel Engine Concepts

S. Reitenbach, A. Krumme, T. Behrendt, M. Schnös, T. Schmidt, S. Hönig, R. Mischke, E. Moerland

GT 2018; V001T01A037https://doi.org/10.1115/GT2018-76880

Abstract

View Articletitled, Design and Application of a Multi-Disciplinary Pre-Design Process for Novel Engine Concepts

PDF

Topics: Design , Engines , Emissions , Gas turbines , Turbofans , Aircraft engines , Carbon dioxide , Flow (Dynamics) , Fuel consumption , Aircraft

A Methodology for Quantifying Distortion Impacts Using a Modified Parallel Compressor Theory

Manish Pokhrel, Jonathan Gladin, Elena Garcia, Dimitri N. Mavris

GT 2018; V001T01A038https://doi.org/10.1115/GT2018-77089

Abstract

View Articletitled, A Methodology for Quantifying Distortion Impacts Using a Modified Parallel Compressor Theory

PDF

Topics: Compressors , Design , Pressure , Aircraft , Boundary-value problems , Engineering disciplines , Propulsion , Annulus , Boundary layers , Conceptual design

Multiphase CFD Modeling of External Oil Flow From a Journal Bearing

Martin Berthold, Hervé Morvan, Richard Jefferson-Loveday, Benjamin C. Rothwell, Colin Young

GT 2018; V001T01A039https://doi.org/10.1115/GT2018-77130

Abstract

View Articletitled, Multiphase CFD Modeling of External Oil Flow From a Journal Bearing

PDF

Topics: Computational fluid dynamics , Flow (Dynamics) , Journal bearings , Modeling , Bearings , Boundary-value problems , Outflow , Phase interfaces , Approximation , Centrifugal force

On the Efficacy of Integrating Structural Struts With Lobed Mixers in Turbofan Engine Exhaust Systems

Alexander Wright, Ali Mahallati, Martin J. Conlon, Julio Militzer

GT 2018; V001T01A040https://doi.org/10.1115/GT2018-77168

Abstract

View Articletitled, On the Efficacy of Integrating Structural Struts With Lobed Mixers in Turbofan Engine Exhaust Systems

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Topics: Engines , Exhaust systems , Turbofans , Flow (Dynamics) , Computational fluid dynamics , Design , Engineering simulation , Nozzles , Optimization , Pressure

Fans and Blowers

Numerical Prediction of Tonal Noise in Centrifugal Blowers

Carlo Cravero, Davide Marsano

GT 2018; V001T09A001https://doi.org/10.1115/GT2018-75243

Abstract

View Articletitled, Numerical Prediction of Tonal Noise in Centrifugal Blowers

PDF

Topics: Noise (Sound) , Aerodynamic noise , Design , Fluids , Noise control , Air conditioning , Computational fluid dynamics , Dimensions , Emissions , Engineering simulation

Optimised Test Rig for Measurements of Aerodynamic and Aeroacoustic Performance of Leading Edge Serrations in Low-Speed Fan Application

Till M. Biedermann, F. Kameier, C. O. Paschereit

GT 2018; V001T09A002https://doi.org/10.1115/GT2018-75369

Abstract

View Articletitled, Optimised Test Rig for Measurements of Aerodynamic and Aeroacoustic Performance of Leading Edge Serrations in Low-Speed Fan Application

PDF

Topics: Blades , Design , Inflow , Noise control , Turbulence , Wavelength

Effects of Inlet Disturbances on Fan Stability

Kuen-Bae Lee, Mark Wilson, Mehdi Vahdati

GT 2018; V001T09A003https://doi.org/10.1115/GT2018-75469

Abstract

View Articletitled, Effects of Inlet Disturbances on Fan Stability

PDF

Topics: Annulus , Blades , Computational fluid dynamics , Engineering simulation , Engines , Flow (Dynamics) , Flow separation , Guide vanes , Pressure , Separation (Technology)

Combined Aerodynamic and Phased Array Microphone Studies on Basic Models of Low-Speed Axial Fan Blade Sections

Esztella Balla, János Vad

GT 2018; V001T09A004https://doi.org/10.1115/GT2018-75778

Abstract

View Articletitled, Combined Aerodynamic and Phased Array Microphone Studies on Basic Models of Low-Speed Axial Fan Blade Sections

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Topics: Blades , Microphones , Noise (Sound) , Airfoils , Fans , Reynolds number , Acoustics , Design , Dipoles (Electromagnetism) , Filtration

Performance Testing of an Axial Flow Fan Designed for Air-Cooled Heat Exchanger Applications

Michael B. Wilkinson, Johan van der Spuy, Theodor W. von Backström

GT 2018; V001T09A005https://doi.org/10.1115/GT2018-75964

Abstract

View Articletitled, Performance Testing of an Axial Flow Fan Designed for Air-Cooled Heat Exchanger Applications

PDF

Topics: Axial flow , Heat exchangers , Testing performance , Computational fluid dynamics , Blades , Pressure , Flow (Dynamics) , Test facilities , Actuators , Clearances (Engineering)

Aerodynamic Characteristics and Noise Analysis of a Low-Speed Axial Fan

Bo Luo, Wuli Chu, Wei Dong, Xiangyi Chen

GT 2018; V001T09A006https://doi.org/10.1115/GT2018-76079

Abstract

View Articletitled, Aerodynamic Characteristics and Noise Analysis of a Low-Speed Axial Fan

PDF

Topics: Noise (Sound) , Blades , Acoustics , Fans , Flow (Dynamics) , Turbulence , Aerodynamic noise , Center of mass , Computation , Computational fluid dynamics

Tonal Noise Control of Cooling Fan Module by Using Modulation Principles on Both Rotor and Stator

Zhigang Peng, Hua Ouyang, Yadong Wu, Jie Tian

GT 2018; V001T09A007https://doi.org/10.1115/GT2018-76300

Abstract

View Articletitled, Tonal Noise Control of Cooling Fan Module by Using Modulation Principles on Both Rotor and Stator

PDF

Topics: Cooling , Noise control , Rotors , Stators , Noise (Sound) , Blades , Design , Automobiles , Design methodology

Aeroacoustic Optimization of a Pressure-Side Strut Configuration for Subsonic Axial Fans Using Statistical-Empirical Modelling

Igor Neifach, Gi-Don Na, Frank Kameier, Nils Springer, Marco Wichers

GT 2018; V001T09A008https://doi.org/10.1115/GT2018-76348

Abstract

View Articletitled, Aeroacoustic Optimization of a Pressure-Side Strut Configuration for Subsonic Axial Fans Using Statistical-Empirical Modelling

PDF

Topics: Fans , Modeling , Optimization , Pressure , Struts (Engineering) , Cooling , Design , Noise (Sound) , Acoustics , Automobiles

A Meta-Model for Aerodynamic Properties of a Reversible Profile in Cascade With Variable Stagger and Solidity

Gino Angelini, Tommaso Bonanni, Alessandro Corsini, Giovanni Delibra, Lorenzo Tieghi, David Volponi

GT 2018; V001T09A009https://doi.org/10.1115/GT2018-76363

Abstract

View Articletitled, A Meta-Model for Aerodynamic Properties of a Reversible Profile in Cascade With Variable Stagger and Solidity

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Topics: Cascades (Fluid dynamics) , Computer software , Computational fluid dynamics , Simulation , Drag (Fluid dynamics) , Reynolds number , Airfoils , Blades , Reynolds-averaged Navier–Stokes equations

Effects of Fan Inflow Distortions on Heat Exchange in Air-Cooled Condensers: Unsteady Computations With Synthetic Blade Model

G. Angelini, T. Bonanni, A. Corsini, G. Delibra, L. Tieghi, D. Volponi

GT 2018; V001T09A010https://doi.org/10.1115/GT2018-76518

Abstract

View Articletitled, Effects of Fan Inflow Distortions on Heat Exchange in Air-Cooled Condensers: Unsteady Computations With Synthetic Blade Model

PDF

Topics: Blades , Computation , Condensers (steam plant) , Heat , Inflow , Fans , Flow (Dynamics) , Accounting , Actuators , Axial flow

Numerical and Experimental Investigation on Centrifugal Cooling Fan in a Traction Motor

Xiaoyun Qu, Jie Tian, Tong Wang

GT 2018; V001T09A011https://doi.org/10.1115/GT2018-76659

Abstract

View Articletitled, Numerical and Experimental Investigation on Centrifugal Cooling Fan in a Traction Motor

PDF

Topics: Cooling , Engines , Motors , Traction , Aerodynamic noise , Computational fluid dynamics , Trains , Impellers , Acoustics , Blades

Numerical Simulation of the Blade Aging Process in an Induced Draft Fan due to Long Time Exposition to Fly Ash Particles

Alessio Castorrini, Alessandro Corsini, Franco Rispoli, Paolo Venturini

GT 2018; V001T09A012https://doi.org/10.1115/GT2018-76740

Abstract

View Articletitled, Numerical Simulation of the Blade Aging Process in an Induced Draft Fan due to Long Time Exposition to Fly Ash Particles

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Topics: Blades , Computer simulation , Fly ash , Particulate matter , Erosion , Exhaust systems , Flow (Dynamics) , Chords (Trusses) , Fans , Fluids

Experimental Investigation of the Effect of Reynolds Number on the Efficiency of Single-Stage Axial Fans

Massimo Masi, Stefano Castegnaro, Andrea Lazzaretto

GT 2018; V001T09A013https://doi.org/10.1115/GT2018-76909

Abstract

View Articletitled, Experimental Investigation of the Effect of Reynolds Number on the Efficiency of Single-Stage Axial Fans

PDF

Topics: Fans , Reynolds number , Turbomachinery , Axial flow , Design , Aerodynamics , Blades , Cascades (Fluid dynamics) , Finishes , Fluid dynamics

Aerodynamic Optimization of Axial Fans Using the Adjoint Method

Konrad Bamberger, Thomas Carolus

GT 2018; V001T09A014https://doi.org/10.1115/GT2018-77027

Abstract

View Articletitled, Aerodynamic Optimization of Axial Fans Using the Adjoint Method

PDF

Topics: Fans , Optimization , Computational fluid dynamics , Pressure , Reynolds-averaged Navier–Stokes equations , Blades , Boundary-value problems , Engineering simulation , Simulation , Computer software

Marine

Thermodynamic Performance Enhancement of Marine Gas Turbine by Using Detonation Combustion

Ningbo Zhao, Hongtao Zheng, Xueyou Wen, Dongming Xiao

GT 2018; V001T25A001https://doi.org/10.1115/GT2018-75493

Abstract

View Articletitled, Thermodynamic Performance Enhancement of Marine Gas Turbine by Using Detonation Combustion

PDF

Topics: Combustion , Explosions , Marine gas turbines , Pressure , Cycles , Temperature , Combustion technologies , Entropy , Heat , Specific heat

Numerical Simulation of ITD Flows in the Presence of HP Blade and LP Vane

Jie Gao, Xuezheng Liu, Weiyan Xiao, Weiliang Fu, Fusheng Meng, Guoqiang Yue, Qun Zheng

GT 2018; V001T25A002https://doi.org/10.1115/GT2018-75516

Abstract

View Articletitled, Numerical Simulation of ITD Flows in the Presence of HP Blade and LP Vane

PDF

Topics: Blades , Computer simulation , Flow (Dynamics) , Turbines , Ducts , Inflow , Physics , Wakes , Engineering simulation , Fourier transforms

CMAS Effects on Ship Gas-Turbine Components/Materials

D. A. Shifler, S. R. Choi

GT 2018; V001T25A003https://doi.org/10.1115/GT2018-75865

Abstract

View Articletitled, CMAS Effects on Ship Gas-Turbine Components/Materials

PDF

Topics: Gas turbines , Ships , Engines , Corrosion , Temperature , Alloys , Coatings , Sands , Aircraft engines , Dust

Application and Experience of the SSS (Synchro-Self-Shifting) Clutch for High Speed Gas Turbine Marine Propulsion Systems

Morgan L. Hendry

GT 2018; V001T25A004https://doi.org/10.1115/GT2018-75869

Abstract

View Articletitled, Application and Experience of the SSS (Synchro-Self-Shifting) Clutch for High Speed Gas Turbine Marine Propulsion Systems

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Topics: Gas turbines , Propulsion systems , Propulsion , Vessels , Design , Engines , Hydrofoil , Machinery , Patrol boats , Weight (Mass)

A Novel COGAG Propulsion System for Marine Ships

Zhenzhong Xu, Xueyou Wen, Ningbo Zhao

GT 2018; V001T25A005https://doi.org/10.1115/GT2018-75908

Abstract

View Articletitled, A Novel COGAG Propulsion System for Marine Ships

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Topics: Propulsion systems , Ships , Gas turbines , Marine gas turbines , Corporate average fuel economy , Cross connections , Fuel efficiency , Gears , Reliability

Study on the Performance Variation of Compressor Under Salt Fog Scale

HaiOu Sun, Lisong Wang, Lei Wan, Feng Qu

GT 2018; V001T25A006https://doi.org/10.1115/GT2018-75981

Abstract

View Articletitled, Study on the Performance Variation of Compressor Under Salt Fog Scale

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Topics: Compressors , Blades , Stators , Surface roughness , Axial flow , Boundary layers , Computer simulation , Computer software , Design , Flow (Dynamics)

Simulation Study on the Work Characteristics of Combined Diesel-Electric and Gas Turbine (CODLAG)

Zhitao Wang, Jian Li, Tielei Li, Weitian Wang, Shuying Li

GT 2018; V001T25A007https://doi.org/10.1115/GT2018-76029

Abstract

View Articletitled, Simulation Study on the Work Characteristics of Combined Diesel-Electric and Gas Turbine (CODLAG)

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Topics: Diesel , Gas turbines , Simulation , Electric propulsion , Propulsion , Ships , Dynamic response , Matlab , Mechanical admittance , Power grids

A Novel Method of Intake and Exhausts System Simulators for Real Marine Engine Under Lab Conditions

Yigang Luan, Lianfeng Yang, Yonglei Qu

GT 2018; V001T25A008https://doi.org/10.1115/GT2018-76043

Abstract

View Articletitled, A Novel Method of Intake and Exhausts System Simulators for Real Marine Engine Under Lab Conditions

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Topics: Engines , Exhaust systems , Ships , Pressure , Simulation , Boundary-value problems , Computational fluid dynamics , Experimental methods , Power systems (Machinery) , Propulsion

Investigation of Turbine Aerodynamic Optimization Design System for Marine Gas Turbines

Xiying Niu, Feng Lin, Weiyan Xiao, Guoqiang Li, Chen Liang

GT 2018; V001T25A009https://doi.org/10.1115/GT2018-76617

Abstract

View Articletitled, Investigation of Turbine Aerodynamic Optimization Design System for Marine Gas Turbines

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Topics: Design , Marine gas turbines , Optimization , Turbines , Industrial research , Three-dimensional modeling

Development and Testing of the Hybrid Electric Drive Program for the Navy’s DDG 51 Class Ships

Gianfranco Buonamici, Michael Schauble

GT 2018; V001T25A010https://doi.org/10.1115/GT2018-76928

Abstract

View Articletitled, Development and Testing of the Hybrid Electric Drive Program for the Navy’s DDG 51 Class Ships

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Topics: Electric propulsion , Ships , Testing , Fuels , Corporate average fuel economy , Fuel efficiency , Gas turbines , Propulsion systems , Propulsion