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Proceedings Papers
Volume 5C: Heat Transfer
Internal Air Systems and Seals (With Turbomachinery)
Use of Fin Equation to Calculate Nusselt Numbers for Rotating Discs
GT 2015; V05CT15A001https://doi.org/10.1115/GT2015-42029
Topics:
Rotating disks
,
Disks
,
Temperature measurement
,
Convection
,
Heat conduction
,
Heat flux
,
Heat transfer
,
Temperature
,
Uncertainty
,
Buoyancy
Effect of Shaft Rotation, Hole and Annulus Geometry on the Discharge Behavior Through Rotating Radial Holes
GT 2015; V05CT15A002https://doi.org/10.1115/GT2015-42044
Topics:
Annulus
,
Geometry
,
Rotation
,
Flow (Dynamics)
,
Discharge coefficient
,
Computational fluid dynamics
,
Coriolis force
,
Mach number
,
Mesh generation
,
Optimization
Effect of Ingress on Turbine Discs
GT 2015; V05CT15A004https://doi.org/10.1115/GT2015-42324
Topics:
Disks
,
Turbines
,
Flow (Dynamics)
,
Rotors
,
Sealing (Process)
,
Wheels
,
Pressure
,
Stators
,
Annulus
,
Boundary layers
Theoretical Model to Determine Effect of Ingress on Turbine Discs
GT 2015; V05CT15A005https://doi.org/10.1115/GT2015-42326
Topics:
Disks
,
Turbines
,
Rotors
,
Sealing (Process)
,
Wheels
,
Flow (Dynamics)
,
Fluids
,
Gas turbines
,
Geometry
,
Temperature measurement
Design of an Improved Turbine Rim-Seal
GT 2015; V05CT15A006https://doi.org/10.1115/GT2015-42327
Topics:
Design
,
Turbines
,
Cavities
,
Computation
,
Flow (Dynamics)
,
Polishing equipment
,
Rotors
,
Computational fluid dynamics
,
Disks
,
Engines
Best Strategies for the Development of a Holistic Porosity Model of a Heat Exchanger for Aero Engine Applications
GT 2015; V05CT15A007https://doi.org/10.1115/GT2015-42408
Topics:
Aircraft engines
,
Heat exchangers
,
Porosity
,
Computational fluid dynamics
,
Heat transfer
,
Computation
,
Geometry
,
Pressure
,
Design
,
Flow (Dynamics)
Experimental Study on the Friction Contact Between a Labyrinth Seal Fin and a Honeycomb Stator
GT 2015; V05CT15A008https://doi.org/10.1115/GT2015-42430
Topics:
Friction
,
Honeycomb structures
,
Stators
,
Metal foil
,
Temperature
,
Wear
,
Blades
,
Databases
,
Fins
,
Geometry
Preliminary Investigations for a Pressure Balanced Back Plate at Low Inclined Brush Seals
GT 2015; V05CT15A010https://doi.org/10.1115/GT2015-42580
Topics:
Pressure
,
Design
,
Oscillations
,
Sealing (Process)
,
Steam turbines
,
Pressure drop
,
Renewable energy sources
,
Stiffness
,
Stress
,
Test facilities
Coupled Aero-Thermal Modeling of a Rotating Cavity With Radial Inflow
GT 2015; V05CT15A011https://doi.org/10.1115/GT2015-42609
Topics:
Cavities
,
Inflow
,
Modeling
,
Computational fluid dynamics
,
Compressors
,
Flow (Dynamics)
,
Disks
,
Turbulence
,
Aircraft engines
,
Blades
Experimental Investigation of Swirl and Flow Structure Inside a Rotor-Stator Cavity
GT 2015; V05CT15A013https://doi.org/10.1115/GT2015-42852
Topics:
Cavities
,
Flow (Dynamics)
,
Rotors
,
Stators
,
Fluids
,
Pressure
,
Cavity flows
,
Databases
,
Design
,
Gas turbines
A Computational Investigation of Hot Gas Ingress Through the Rim Seal of a Counter-Rotating Turbine Cavity With Annulus
GT 2015; V05CT15A014https://doi.org/10.1115/GT2015-42944
Topics:
Annulus
,
Cavities
,
Turbines
,
Sealing (Process)
,
Flow (Dynamics)
,
Rotors
,
Stators
,
Reynolds number
,
Computer simulation
,
Disks
Brush Seals Used in Steam Environments: Chronological Wear Development and the Impact of Different Seal Designs
GT 2015; V05CT15A017https://doi.org/10.1115/GT2015-43184
Topics:
Steam
,
Wear
,
Rotors
,
Design
,
Stress
,
Transients (Dynamics)
,
Flow (Dynamics)
,
Aircraft engines
,
Bearings
,
Boundary-value problems
Impact of High Exhaust Back Pressure on Power Turbine Secondary Flows and Disc Thermals
GT 2015; V05CT15A019https://doi.org/10.1115/GT2015-43238
Topics:
Disks
,
Exhaust systems
,
Flow (Dynamics)
,
Pressure
,
Turbines
,
Cavity flows
,
Dynamics (Mechanics)
,
Gas turbines
,
Temperature
,
Combined cycles
Development of Laminated Seals for Stator-Stator Sealing in Gas Turbines
GT 2015; V05CT15A021https://doi.org/10.1115/GT2015-43378
Topics:
Gas turbines
,
Sealing (Process)
,
Stators
,
Textiles
,
Leakage
,
Manufacturing
,
Geometry
Implicit Heterogeneous 1D/2D Coupling for Aero-Thermo-Mechanical Simulation of Secondary Air Systems
GT 2015; V05CT15A022https://doi.org/10.1115/GT2015-43406
Topics:
Air engines
,
Approximation
,
Cycles
,
Engines
,
Finite element model
,
Flow (Dynamics)
,
Fluids
,
Heat transfer
,
Manufacturing
,
Network models
A Multiphase Computational Study of Oil-Air Flow Within the Bearing Sector of Aeroengines
GT 2015; V05CT15A024https://doi.org/10.1115/GT2015-43496
Topics:
Bearings
,
Flow (Dynamics)
,
Roller bearings
,
Boundary-value problems
,
Computational fluid dynamics
,
Simulation
,
Combustion
,
Combustion chambers
,
Cooling
,
Drops
Simplified Protrusion Drag and Heat Transfer Modelling of Bolts on a Rotating Disc
GT 2015; V05CT15A025https://doi.org/10.1115/GT2015-43501
Topics:
Drag (Fluid dynamics)
,
Heat transfer
,
Modeling
,
Rotating disks
,
Disks
,
Temperature
,
Computational fluid dynamics
,
Flow (Dynamics)
,
Rotors
,
Cavities
Thin-Film Flow Over a Rotating Plate: An Assessment of the Suitability of VOF and Eulerian Thin-Film Methods for the Numerical Simulation of Isothermal Thin-Film Flows
GT 2015; V05CT15A027https://doi.org/10.1115/GT2015-43506
Topics:
Computer simulation
,
Flow (Dynamics)
,
Thin films
,
Film thickness
,
Fluids
,
Computational fluid dynamics
,
Model validation
,
Modeling
,
Temperature
Two-Phase Computational Modelling of a Spiral Bevel Gear Using a Eulerian Multiphase Model
GT 2015; V05CT15A030https://doi.org/10.1115/GT2015-43541
Topics:
Modeling
,
Spiral bevel gears
,
Gears
,
Lubrication
,
Bevel gears
,
Flow (Dynamics)
,
Fuel consumption
,
Gas turbines
,
Heat
,
Mechanical drives
CFD Investigation of Labyrinth Seal Leakage Performance Depending on Mushroom Shaped Tooth Wear
GT 2015; V05CT15A034https://doi.org/10.1115/GT2015-43607
Topics:
Computational fluid dynamics
,
Leakage
,
Wear
,
Clearances (Engineering)
,
Rotors
,
Stators
,
Flow (Dynamics)
,
Pressure
,
Damage
,
Engines
CFD Investigation of Brush Seal Leakage Performance Depending on Geometric Dimensions and Operating Conditions
GT 2015; V05CT15A035https://doi.org/10.1115/GT2015-43638
Topics:
Computational fluid dynamics
,
Dimensions
,
Leakage
,
Design
,
Clearances (Engineering)
,
Flow (Dynamics)
,
Geometry
,
Porous materials
,
Pressure
,
Rotors
CAE Based Brush Seal Characterization for Stiffness and Stress Levels
GT 2015; V05CT15A038https://doi.org/10.1115/GT2015-44068
Topics:
Computer-aided engineering
,
Stiffness
,
Stress
,
Rotors
,
Design
,
Pressure
,
Steady state
,
Turbines
Brush Seal Free State Stiffness Analyses, Tests and Inspection on Dynamic Effects
GT 2015; V05CT15A039https://doi.org/10.1115/GT2015-44069
Topics:
Inspection
,
Stiffness
,
Rotors
,
Computer-aided engineering
,
Durability
,
Leakage
,
Stress
,
Wear
,
Finite element analysis
,
Pressure
Transitional Flows (With Turbomachinery)
Transonic Turbine Cascade Measurements for a Variable Speed Power Turbine Blade at Low to Moderate Reynolds Numbers: Aerodynamic Loss Surveys
GT 2015; V05CT16A001https://doi.org/10.1115/GT2015-42504
Topics:
Cascades (Fluid dynamics)
,
Reynolds number
,
Turbine blades
,
Turbines
,
Turbulence
,
Blades
,
Pressure
,
Chords (Trusses)
,
Design
,
Heat transfer
Admissible Roughness in Gas Turbines
GT 2015; V05CT16A002https://doi.org/10.1115/GT2015-43326
Topics:
Gas turbines
,
Surface roughness
,
Blades
,
Compressors
,
Engines
,
Pressure
,
Airfoils
,
Chords (Trusses)
,
Combustion chambers
,
Flow (Dynamics)
The Limitations of “Ra” to Describe Surface Roughness
GT 2015; V05CT16A003https://doi.org/10.1115/GT2015-43329
Topics:
Surface roughness
,
Airfoils
,
Drag (Fluid dynamics)
,
Blades
,
Polishing
,
Reynolds number
,
Skin friction (Fluid dynamics)
,
Wakes
Combustors (With Combustion, Fuels and Emissions)
Flowfield and Temperature Profiles Measurements on a Combustor Simulator Dedicated to Hot Streaks Generation
Tommaso Bacci, Gianluca Caciolli, Bruno Facchini, Lorenzo Tarchi, Charlie Koupper, Jean-Louis Champion
GT 2015; V05CT17A001https://doi.org/10.1115/GT2015-42217
Topics:
Combustion chambers
,
Temperature profiles
,
Flow (Dynamics)
,
Cooling
,
Ducts
,
High pressure (Physics)
,
Air flow
,
Coolants
,
Databases
,
Ejectors
Turbulence Field Measurements at the Exit of a Combustor Simulator Dedicated to Hot Streaks Generation
GT 2015; V05CT17A002https://doi.org/10.1115/GT2015-42218
Topics:
Combustion chambers
,
Turbulence
,
Flow (Dynamics)
,
Air flow
,
Coolants
,
Cooling
,
Ducts
,
Fibers
,
High pressure (Physics)
,
Probes
Experimental and Numerical Calculation of Turbulent Timescales at the Exit of an Engine Representative Combustor Simulator
Charlie Koupper, Tommaso Bacci, Bruno Facchini, Alessio Picchi, Lorenzo Tarchi, Laurent Gicquel, Florent Duchaine, Guillaume Bonneau
GT 2015; V05CT17A003https://doi.org/10.1115/GT2015-42278
Topics:
Combustion chambers
,
Engines
,
Turbulence
,
Signals
,
High pressure (Physics)
,
Air flow
,
Combustion
,
Cooling
,
Errors
,
Flow (Dynamics)
Evaluation of the Turbulence Radiation Interaction and the Validity of the Optically Thin Fluid Approximation in a High Turbulent Premixed Methane Flame
GT 2015; V05CT17A006https://doi.org/10.1115/GT2015-42478
Topics:
Approximation
,
Flames
,
Fluids
,
Methane
,
Radiation (Physics)
,
Turbulence
,
Computational fluid dynamics
,
Absorption
,
Stress
,
Temperature
Adiabatic Effectiveness and Flow Field Measurements in a Realistic Effusion Cooled Lean Burn Combustor
GT 2015; V05CT17A008https://doi.org/10.1115/GT2015-42584
Topics:
Combustion chambers
,
Flow (Dynamics)
,
Vortices
,
Ejectors
,
Emissions
,
Geometry
,
Nitrogen oxides
,
Aircraft engines
,
Coolants
,
Cooling
Effect of Slot Injection and Effusion Array on the Liner Heat Transfer Coefficient of a Scaled Lean Burn Combustor With Representative Swirling Flow
GT 2015; V05CT17A009https://doi.org/10.1115/GT2015-42587
Topics:
Combustion chambers
,
Heat transfer coefficients
,
Swirling flow
,
Flow (Dynamics)
,
Cooling
,
Aircraft engines
,
Ejectors
,
Emissions
,
Geometry
,
Heat
Combustor Heat Shield Impingement Cooling and its Effect on Liner Convective Heat Transfer for a Model Annular Combustor With Radial Swirlers
David Gomez-Ramirez, Deepu Dilip, Bharath Viswanath Ravi, Samruddhi Deshpande, Jaideep Pandit, Srinath V. Ekkad, Hee-Koo Moon, Yong Kim, Ram Srinivasan
GT 2015; V05CT17A010https://doi.org/10.1115/GT2015-42868
Numerical Investigation of Effect of Geometry Changes in a Model Combustor on Swirl Dominated Flow and Heat Transfer
GT 2015; V05CT17A011https://doi.org/10.1115/GT2015-43035
Topics:
Combustion chambers
,
Flow (Dynamics)
,
Geometry
,
Heat transfer
,
Computation
,
Turbulence
,
Air flow
,
Convection
,
Cylinders
,
Engineering simulation
Metal Temperature Prediction of a DLN1 Class Flame Tube by CFD CHT Approach
Riccardo Da Soghe, Cosimo Bianchini, Antonio Andreini, Lorenzo Mazzei, Giovanni Riccio, Alessandro Marini
GT 2015; V05CT17A012https://doi.org/10.1115/GT2015-43135
Topics:
Computational fluid dynamics
,
Flames
,
Metals
,
Temperature
,
Stress
,
Combustion chambers
,
Heat transfer
,
Combustion
,
Engines
,
Flow (Dynamics)
CFD Modelling of Heat Soak-Back Phenomenon Inside a Gas Turbine Combustor
GT 2015; V05CT17A013https://doi.org/10.1115/GT2015-43819
Topics:
Combustion chambers
,
Computational fluid dynamics
,
Gas turbines
,
Heat
,
Modeling
,
Engines
,
Ejectors
,
Simulation
,
Air flow
,
Fuels
Structures (With Structures and Dynamics)
Supporting Structure Performances Analysis of Heavy-Duty Gas Turbine Based on Fluid-Solid Coupling Method
Guohui Xu, Jian Zhou, Mingjian Lu, Haipeng Geng, Yanhua Sun, Lie Yu, Lihua Yang, Shiquan Zhao, Xiaobing Qi, Xueyun Liu, Yu Fang
GT 2015; V05CT18A001https://doi.org/10.1115/GT2015-42098
Topics:
Fluids
,
Gas turbines
,
Cooling
,
Stress
,
Gravity (Force)
,
Temperature effects
,
Bearings
,
Deformation
,
Finite element methods
,
Flow (Dynamics)
Thermo-Mechanical Rotor Analysis Tuned by Engine Operational Data
Silvia Bruzzone, Marco Mantero, Stefano Patrone, Benedetto M. Santolini, Andrea Silingardi, Laura Traversone
GT 2015; V05CT18A002https://doi.org/10.1115/GT2015-42655
Topics:
Engines
,
Rotors
,
Thermomechanics
,
Stress
,
Finite element methods
,
Finite element model
,
Tie rods
,
Transients (Dynamics)
,
Boundary-value problems
,
Disks
Blade Triggered Excitation of Periodically Unsteady Impinging Jets for Efficient Turbine Liner Segment Cooling
GT 2015; V05CT18A004https://doi.org/10.1115/GT2015-43497
Topics:
Blades
,
Cooling
,
Excitation
,
Jets
,
Turbines
,
Pressure
,
Cavities
,
Oscillations
,
Rotors
,
Annulus
Influence of Temperature Distribution on Tighten Force in Tie-Bolt Fastened Rotor With Considering Thermal Contact Conductance
GT 2015; V05CT18A005https://doi.org/10.1115/GT2015-44031
Topics:
Contact resistance
,
Rotors
,
Temperature distribution
,
Tie rods
,
Pressure
,
Rods
,
Surface roughness
,
Thermal expansion
,
Finite element methods
,
Rotordynamics