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Journal Articles

Insights Into Frictional Brush Seal Hysteresis

H. M. Phan, M. J. Pekris, J. W. Chew
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2024, 146(8): 081010.
Paper No: GTP-23-1521
https://doi.org/10.1115/1.4064151
Published Online: February 8, 2024
View Article titled, Insights Into Frictional Brush Seal Hysteresis
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Topics: Displacement, Friction, Pressure
Proceedings Papers

Modeling of Compressor Drum Cavities With Radial Inflow

D. Amirante, Z. Sun, J. W. Chew, N. J. Hills, N. R. Atkins
Proc. ASME. GT2016, Volume 5A: Heat Transfer, V05AT15A010, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56505
https://doi.org/10.1115/GT2016-56505
View Paper titled, Modeling of Compressor Drum Cavities With Radial Inflow
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Topics: Cavities, Compressors, Inflow, Modeling, Computational fluid dynamics, Temperature, Computation, Disks, Buoyancy, Cavity flows
Proceedings Papers

Prediction of Flow in Rotating DISC Systems Using the k-ε Turbulence Model

J. W. Chew
Proc. ASME. GT1984, Volume 4: Heat Transfer; Electric Power, V004T09A019, June 4–7, 1984
Publisher: American Society of Mechanical Engineers
Paper No: 84-GT-229
https://doi.org/10.1115/84-GT-229
View Paper titled, Prediction of Flow in Rotating DISC Systems Using the k-ε Turbulence Model
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Topics: Flow (Dynamics), Rotating disks, Turbulence, Disks, Outflow
Proceedings Papers

A Numerical Study of the Influence of Disc Geometry on the Flow and Heat Transfer in a Rotating Cavity

B. L. Lapworth, J. W. Chew
Proc. ASME. GT1990, Volume 1: Turbomachinery, V001T01A043, June 11–14, 1990
Publisher: American Society of Mechanical Engineers
Paper No: 90-GT-136
https://doi.org/10.1115/90-GT-136
View Paper titled, A Numerical Study of the Influence of Disc Geometry on the Flow and Heat Transfer in a Rotating Cavity
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Topics: Cavities, Disks, Flow (Dynamics), Geometry, Heat transfer, Turbulence, Boundary-value problems, Navier-Stokes equations, Outflow
Proceedings Papers

The Use of De-Swirl Nozzles to Reduce the Pressure Drop in a Rotating Cavity With a Radial Inflow

P. R. Farthing, J. W. Chew, J. M. Owen
Proc. ASME. GT1989, Volume 1: Turbomachinery, V001T01A076, June 4–8, 1989
Publisher: American Society of Mechanical Engineers
Paper No: 89-GT-184
https://doi.org/10.1115/89-GT-184
View Paper titled, The Use of De-Swirl Nozzles to Reduce the Pressure Drop in a Rotating Cavity With a Radial Inflow
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Topics: Cavities, Inflow, Nozzles, Pressure drop, Flow (Dynamics), Pressure, Flow visualization, Momentum, Reynolds number, Rotating disks
Proceedings Papers

Performance of Radial Clearance Rim Seals in Upstream and Downstream Rotor-Stator Wheelspaces

S. Dadkhah, A. B. Turner, J. W. Chew
Proc. ASME. GT1991, Volume 1: Turbomachinery, V001T01A011, June 3–6, 1991
Publisher: American Society of Mechanical Engineers
Paper No: 91-GT-032
https://doi.org/10.1115/91-GT-032
View Paper titled, Performance of Radial Clearance Rim Seals in Upstream and Downstream Rotor-Stator Wheelspaces
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Topics: Clearances (Engineering), Rotors, Stators, Flow (Dynamics), Sealing (Process), Cavities, Cavity flows, Disks, Pressure, Reynolds number
Proceedings Papers

Rim Sealing of Rotor-Stator Wheelspaces in the Absence of External Flow

J. W. Chew, S. Dadkhah, A. B. Turner
Proc. ASME. GT1991, Volume 1: Turbomachinery, V001T01A012, June 3–6, 1991
Publisher: American Society of Mechanical Engineers
Paper No: 91-GT-033
https://doi.org/10.1115/91-GT-033
View Paper titled, Rim Sealing of Rotor-Stator Wheelspaces in the Absence of External Flow
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Topics: Flow (Dynamics), Rotors, Sealing (Process), Stators, Cavities, Rotating disks, Fluids, Reynolds number
Proceedings Papers

Calculation of Turbulent Flow for an Enclosed Rotating Cone

N. E. May, J. W. Chew, P. W. James
Proc. ASME. GT1992, Volume 1: Turbomachinery, V001T01A037, June 1–4, 1992
Publisher: American Society of Mechanical Engineers
Paper No: 92-GT-070
https://doi.org/10.1115/92-GT-070
View Paper titled, Calculation of Turbulent Flow for an Enclosed Rotating Cone
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Topics: Turbulence, Flow (Dynamics), Cavities, Disks, Finite difference methods, Momentum, Navier-Stokes equations, Rotors, Stators, Vortices
Proceedings Papers

Application of Computational Fluid Dynamics to Turbine Disc Cavities

G. P. Virr, J. W. Chew, J. Coupland
Proc. ASME. GT1993, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A030, May 24–27, 1993
Publisher: American Society of Mechanical Engineers
Paper No: 93-GT-089
https://doi.org/10.1115/93-GT-089
View Paper titled, Application of Computational Fluid Dynamics to Turbine Disc Cavities
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Topics: Cavities, Computational fluid dynamics, Disks, Turbines, Engines, Flow (Dynamics), Heat transfer, Design, Fluids, Gas turbines
Proceedings Papers

Rim Sealing of Rotor-Stator Wheelspaces in the Presence of External Flow

J. W. Chew, T. Green, A. B. Turner
Proc. ASME. GT1994, Volume 1: Turbomachinery, V001T01A041, June 13–16, 1994
Publisher: American Society of Mechanical Engineers
Paper No: 94-GT-126
https://doi.org/10.1115/94-GT-126
View Paper titled, Rim Sealing of Rotor-Stator Wheelspaces in the Presence of External Flow
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Topics: Flow (Dynamics), Rotors, Sealing (Process), Stators, Cavities, Computational fluid dynamics, Clearances (Engineering), Disks, Fluids, Guide vanes
Proceedings Papers

Heat Transfer Measurements to a Gas Turbine Cooling Passage With Inclined Ribs

Z. Wang, P. T. Ireland, S. T. Kohler, J. W. Chew
Proc. ASME. GT1996, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A062, June 10–13, 1996
Publisher: American Society of Mechanical Engineers
Paper No: 96-GT-542
https://doi.org/10.1115/96-GT-542
View Paper titled, Heat Transfer Measurements to a Gas Turbine Cooling Passage With Inclined Ribs
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Topics: Cooling, Gas turbines, Heat transfer, Heat transfer coefficients, Flow (Dynamics), Computational fluid dynamics, Friction, Transients (Dynamics), Vortices
Proceedings Papers

An Iterative CFD and Mechanical Brush Seal Model and Comparison With Experimental Results

L. H. Chen, P. E. Wood, T. V. Jones, J. W. Chew
Proc. ASME. GT1998, Volume 4: Heat Transfer; Electric Power; Industrial and Cogeneration, V004T09A067, June 2–5, 1998
Publisher: American Society of Mechanical Engineers
Paper No: 98-GT-372
https://doi.org/10.1115/98-GT-372
View Paper titled, An Iterative CFD and Mechanical Brush Seal Model and Comparison With Experimental Results
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Topics: Computational fluid dynamics, Pressure, Stress, Clearances (Engineering), Flow (Dynamics), Rotors, Friction
Proceedings Papers

Predicted Influence of Intake Acoustics Upon Part-Speed Fan Flutter

J. W. Chew, M. Vahdati, M. Imregun
Proc. ASME. GT1998, Volume 2: Aircraft Engine; Marine; Microturbines and Small Turbomachinery, V002T02A018, June 2–5, 1998
Publisher: American Society of Mechanical Engineers
Paper No: 98-GT-558
https://doi.org/10.1115/98-GT-558
View Paper titled, Predicted Influence of Intake Acoustics Upon Part-Speed Fan Flutter
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Topics: Acoustics, Flutter (Aerodynamics), Computational fluid dynamics, Acoustical properties, Aerodynamics, Approximation, Blades, Damping, Ducts, Engines
Proceedings Papers

Detailed Experimental Studies of Flow in Large Scale Brush Seal Model and a Comparison With CFD Predictions

L. H. Chen, P. E. Wood, T. V. Jones, J. W. Chew
Proc. ASME. GT1999, Volume 3: Heat Transfer; Electric Power; Industrial and Cogeneration, V003T01A084, June 7–10, 1999
Publisher: American Society of Mechanical Engineers
Paper No: 99-GT-281
https://doi.org/10.1115/99-GT-281
View Paper titled, Detailed Experimental Studies of Flow in Large Scale Brush Seal Model and a Comparison With CFD Predictions
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Topics: Computational fluid dynamics, Flow (Dynamics), Pressure, Anisotropy, Compacting, Engines, Clearances (Engineering), Deflection, Modeling, Pressure measurement
Proceedings Papers

Prediction of Low Engine Order Inlet Distortion Driven Resonance in a Low Aspect Ratio Fan

J. G. Marshall, L. Xu, J. Denton, J. W. Chew
Proc. ASME. GT2000, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education, V004T03A017, May 8–11, 2000
Publisher: American Society of Mechanical Engineers
Paper No: 2000-GT-0374
https://doi.org/10.1115/2000-GT-0374
View Paper titled, Prediction of Low Engine Order Inlet Distortion Driven Resonance in a Low Aspect Ratio Fan
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Topics: Engines, Resonance, Blades, Instrumentation, Modeling, Rotors, Structural dynamics, Torsion, Unsteady flow, Vibration
Proceedings Papers

Measurement and Analysis of Flow in a Pre-Swirled Cooling Air Delivery System

J. W. Chew, N. J. Hills, S. Khalatov, T. Scanlon, A. B. Turner
Proc. ASME. GT2003, Volume 5: Turbo Expo 2003, Parts A and B, 913-920, June 16–19, 2003
Publisher: American Society of Mechanical Engineers
Paper No: GT2003-38084
https://doi.org/10.1115/GT2003-38084
View Paper titled, Measurement and Analysis of Flow in a Pre-Swirled Cooling Air Delivery System
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Topics: Cooling, Flow (Dynamics), Nozzles, Temperature, Disks, Aircraft engines, Pressure, Temperature measurement
Proceedings Papers

Calculation of Surface Roughness Effects on Air-Riding Seals

C. Guardino, J. W. Chew, N. J. Hills
Proc. ASME. GT2002, Volume 3: Turbo Expo 2002, Parts A and B, 795-803, June 3–6, 2002
Publisher: American Society of Mechanical Engineers
Paper No: GT2002-30246
https://doi.org/10.1115/GT2002-30246
View Paper titled, Calculation of Surface Roughness Effects on Air-Riding Seals
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Topics: Surface roughness, Compressible flow, Computational fluid dynamics, Flow (Dynamics), Geometry, Lift (Fluid dynamics), Reynolds number, Stiffness
Proceedings Papers

Measurement and Analysis of Ingestion Through a Turbine Rim Seal

O. Gentilhomme, N. J. Hills, A. B. Turner, J. W. Chew
Proc. ASME. GT2002, Volume 3: Turbo Expo 2002, Parts A and B, 925-934, June 3–6, 2002
Publisher: American Society of Mechanical Engineers
Paper No: GT2002-30481
https://doi.org/10.1115/GT2002-30481
View Paper titled, Measurement and Analysis of Ingestion Through a Turbine Rim Seal
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Topics: Turbines, Cavities, Sealing (Process), Annulus, Disks, Flow (Dynamics), Rotors, Carbon dioxide, Clearances (Engineering), Computational fluid dynamics
Proceedings Papers

Interaction of Rim Seal and Annulus Flows in an Axial Flow Turbine

C. Cao, J. W. Chew, P. R. Millington, S. I. Hogg
Proc. ASME. GT2003, Volume 5: Turbo Expo 2003, Parts A and B, 1011-1019, June 16–19, 2003
Publisher: American Society of Mechanical Engineers
Paper No: GT2003-38368
https://doi.org/10.1115/GT2003-38368
View Paper titled, Interaction of Rim Seal and Annulus Flows in an Axial Flow Turbine
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Topics: Annulus, Axial flow, Flow (Dynamics), Turbines, Computational fluid dynamics, Cavities, Clearances (Engineering), Diaphragms (Mechanical devices), Diaphragms (Structural), Pressure measurement
Proceedings Papers

Pre-Swirled Cooling Air Delivery System Performance

J. W. Chew, F. Ciampoli, N. J. Hills, T. Scanlon
Proc. ASME. GT2005, Volume 3: Turbo Expo 2005, Parts A and B, 1129-1137, June 6–9, 2005
Publisher: American Society of Mechanical Engineers
Paper No: GT2005-68323
https://doi.org/10.1115/GT2005-68323
View Paper titled, Pre-Swirled Cooling Air Delivery System Performance
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Topics: Cooling, Flow (Dynamics), Nozzles, Aircraft engines, Computer simulation, Geometry