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Proceedings Papers

Influence of Mach Number on Profile Loss of Axial-Flow Gas Turbine Blades

M. D. Kibsey, S. A. Sjolander
Proc. ASME. GT2016, Volume 2B: Turbomachinery, V02BT38A015, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56410
https://doi.org/10.1115/GT2016-56410
View Paper titled, Influence of Mach Number on Profile Loss of Axial-Flow Gas Turbine Blades
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Topics: Axial flow, Blades, Gas turbines, Mach number, Pressure, Computational fluid dynamics, Turbine blades, Cascades (Fluid dynamics), Design, Flow (Dynamics)
Proceedings Papers

Off-Design Performance of a Linear Cascade of Turbine Blades

B. Tremblay, S. A. Sjolander, S. H. Moustapha
Proc. ASME. GT1990, Volume 1: Turbomachinery, V001T01A099, June 11–14, 1990
Publisher: American Society of Mechanical Engineers
Paper No: 90-GT-314
https://doi.org/10.1115/90-GT-314
View Paper titled, Off-Design Performance of a Linear Cascade of Turbine Blades
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Topics: Cascades (Fluid dynamics), Design, Turbine blades, Pressure, Reynolds number, Airfoils, Blades, Flow visualization, Turbines, Turning angles
Proceedings Papers

Prediction of Tip-Leakage Losses in Axial Turbines

M. I. Yaras, S. A. Sjolander
Proc. ASME. GT1990, Volume 1: Turbomachinery, V001T01A050, June 11–14, 1990
Publisher: American Society of Mechanical Engineers
Paper No: 90-GT-154
https://doi.org/10.1115/90-GT-154
View Paper titled, Prediction of Tip-Leakage Losses in Axial Turbines
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Topics: Leakage, Turbines, Flow (Dynamics), Physics, Turbomachinery
Proceedings Papers

Development of the Tip-Leakage Flow Downstream of a Planar Cascade of Turbine Blades: Vorticity Field

M. Yaras, S. A. Sjolander
Proc. ASME. GT1989, Volume 1: Turbomachinery, V001T01A028, June 4–8, 1989
Publisher: American Society of Mechanical Engineers
Paper No: 89-GT-55
https://doi.org/10.1115/89-GT-55
View Paper titled, Development of the Tip-Leakage Flow Downstream of a Planar Cascade of Turbine Blades: Vorticity Field
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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Leakage, Turbine blades, Vorticity, Vortices, Blades, Chords (Trusses), Diffusion (Physics), Leakage flows
Proceedings Papers

Gas Turbine and Turbomachinery Education at Carleton University

S. A. Sjolander, H. I. H. Saravanamuttoo
Proc. ASME. GT1989, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General, V005T15A001, June 4–8, 1989
Publisher: American Society of Mechanical Engineers
Paper No: 89-GT-16
https://doi.org/10.1115/89-GT-16
View Paper titled, Gas Turbine and Turbomachinery Education at Carleton University
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Topics: Education, Gas turbines, Turbomachinery, Aerodynamics, Design, Engineers, Engines, Manufacturing, Modeling, Teaching
Proceedings Papers

Effects of Simulated Rotation on Tip Leakage in a Planar Cascade of Turbine Blades: Part I — Tip Gap Flow

M. I. Yaras, S. A. Sjolander
Proc. ASME. GT1991, Volume 1: Turbomachinery, V001T01A050, June 3–6, 1991
Publisher: American Society of Mechanical Engineers
Paper No: 91-GT-127
https://doi.org/10.1115/91-GT-127
View Paper titled, Effects of Simulated Rotation on Tip Leakage in a Planar Cascade of Turbine Blades: Part I — Tip Gap Flow
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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Leakage, Rotation, Turbine blades, Blades, Belts, Chords (Trusses), Clearances (Engineering), Pressure
Proceedings Papers

Effects of Simulated Rotation on Tip Leakage in a Planar Cascade of Turbine Blades: Part II — Downstream Flow Field and Blade Loading

M. I. Yaras, S. A. Sjolander, R. J. Kind
Proc. ASME. GT1991, Volume 1: Turbomachinery, V001T01A051, June 3–6, 1991
Publisher: American Society of Mechanical Engineers
Paper No: 91-GT-128
https://doi.org/10.1115/91-GT-128
View Paper titled, Effects of Simulated Rotation on Tip Leakage in a Planar Cascade of Turbine Blades: Part II — Downstream Flow Field and Blade Loading
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Topics: Blades, Cascades (Fluid dynamics), Flow (Dynamics), Leakage, Rotation, Turbine blades, Vortices, Chords (Trusses), Clearances (Engineering), Pressure
Proceedings Papers

Measurements of the Flow in an Idealized Turbine Tip Gap

S. A. Sjolander, D. Cao
Proc. ASME. GT1994, Volume 1: Turbomachinery, V001T01A029, June 13–16, 1994
Publisher: American Society of Mechanical Engineers
Paper No: 94-GT-074
https://doi.org/10.1115/94-GT-074
View Paper titled, Measurements of the Flow in an Idealized Turbine Tip Gap
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Topics: Flow (Dynamics), Turbines, Blades, Bubbles, Discharge coefficient, Pressure, Separation (Technology), Vortices
Proceedings Papers

Interaction Between Inlet Boundary Layer, Tip-Leakage and Secondary Flows in a Low-Speed Turbine Cascade

J. K. K. Chan, M. I. Yaras, S. A. Sjolander
Proc. ASME. GT1994, Volume 1: Turbomachinery, V001T01A091, June 13–16, 1994
Publisher: American Society of Mechanical Engineers
Paper No: 94-GT-250
https://doi.org/10.1115/94-GT-250
View Paper titled, Interaction Between Inlet Boundary Layer, Tip-Leakage and Secondary Flows in a Low-Speed Turbine Cascade
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Topics: Boundary layers, Cascades (Fluid dynamics), Flow (Dynamics), Leakage, Turbines, Clearances (Engineering), Blades, Vorticity, Chords (Trusses), Pressure
Proceedings Papers

Influence of Leading-Edge Geometry on Profile Losses in Turbines at Off-Design Incidence: Experimental Results and an Improved Correlation

M. W. Benner, S. A. Sjolander, S. H. Moustapha
Proc. ASME. GT1995, Volume 1: Turbomachinery, V001T01A075, June 5–8, 1995
Publisher: American Society of Mechanical Engineers
Paper No: 95-GT-289
https://doi.org/10.1115/95-GT-289
View Paper titled, Influence of Leading-Edge Geometry on Profile Losses in Turbines at Off-Design Incidence: Experimental Results and an Improved Correlation
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Topics: Design, Geometry, Turbines, Blades, Wedges, Cascades (Fluid dynamics), Turbine blades
Proceedings Papers

Measurements of the Tip-Leakage Flow in a Turbine Cascade With Large Clearances

S. De Cecco, M. I. Yaras, S. A. Sjolander
Proc. ASME. GT1995, Volume 1: Turbomachinery, V001T01A009, June 5–8, 1995
Publisher: American Society of Mechanical Engineers
Paper No: 95-GT-077
https://doi.org/10.1115/95-GT-077
View Paper titled, Measurements of the Tip-Leakage Flow in a Turbine Cascade With Large Clearances
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Topics: Cascades (Fluid dynamics), Flow (Dynamics), Leakage, Turbines, Clearances (Engineering), Blades, Chords (Trusses), Pressure, Aerodynamics, Damage
Proceedings Papers

Measurements of Secondary Flows in a Turbine Cascade at Off-Design Incidence

M. W. Benner, S. A. Sjolander, S. H. Moustapha
Proc. ASME. GT1997, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A055, June 2–5, 1997
Publisher: American Society of Mechanical Engineers
Paper No: 97-GT-382
https://doi.org/10.1115/97-GT-382
View Paper titled, Measurements of Secondary Flows in a Turbine Cascade at Off-Design Incidence
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Topics: Cascades (Fluid dynamics), Design, Flow (Dynamics), Turbines, Flow visualization, Blades, Clearances (Engineering), Pressure
Proceedings Papers

Deviation in Axial Turbines at Subsonic Conditions

A. M. T. Islam, S. A. Sjolander
Proc. ASME. GT1999, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A005, June 7–10, 1999
Publisher: American Society of Mechanical Engineers
Paper No: 99-GT-026
https://doi.org/10.1115/99-GT-026
View Paper titled, Deviation in Axial Turbines at Subsonic Conditions
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Topics: Turbines, Blades, Databases, Optimization, Pressure, Genetic algorithms, Navier-Stokes equations, Subsonic flow
Proceedings Papers

Computational Study of a Transonic Turbine Cascade: Validation and Comparison of Griding Approaches and Challenges

H. M. Abo El Ella, M. Kibsey, S. A. Sjolander
Proc. ASME. GT2014, Volume 2C: Turbomachinery, V02CT38A042, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-26630
https://doi.org/10.1115/GT2014-26630
View Paper titled, Computational Study of a Transonic Turbine Cascade: Validation and Comparison of Griding Approaches and Challenges
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Topics: Cascades (Fluid dynamics), Turbines, Flow (Dynamics), Physics, Blades, Boundary-value problems, Chords (Trusses), Computation, Computational fluid dynamics, Kinetic energy
Proceedings Papers

Aerodynamic Performance of a Transonic Turbine Cascade at Off-Design Conditions

D. B. M. Jouini, S. A. Sjolander, S. H. Moustapha
Proc. ASME. GT2000, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A052, May 8–11, 2000
Publisher: American Society of Mechanical Engineers
Paper No: 2000-GT-0482
https://doi.org/10.1115/2000-GT-0482
View Paper titled, Aerodynamic Performance of a Transonic Turbine Cascade at Off-Design Conditions
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Topics: Cascades (Fluid dynamics), Design, Turbines, Flow (Dynamics), Mach number, Blades, Density, Physics, Pressure, Reynolds number
Proceedings Papers

Design of Low-Speed Cascades for Investigating Viscous Effects in High-Speed Axial Turbines

K. Zavitz, S. A. Sjolander
Proc. ASME. GT2000, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A053, May 8–11, 2000
Publisher: American Society of Mechanical Engineers
Paper No: 2000-GT-0483
https://doi.org/10.1115/2000-GT-0483
View Paper titled, Design of Low-Speed Cascades for Investigating Viscous Effects in High-Speed Axial Turbines
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Topics: Design, Turbines, Cascades (Fluid dynamics), Pressure, Flow (Dynamics), Blades, Optimization, Algorithms, Genetic algorithms, Geometry
Proceedings Papers

Midspan Flow-Field Measurements for Two Transonic Linear Turbine Cascades at Off-Design Conditions

D. B. M. Jouini, S. A. Sjolander, S. H. Moustapha
Proc. ASME. GT2001, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A077, June 4–7, 2001
Publisher: American Society of Mechanical Engineers
Paper No: 2001-GT-0493
https://doi.org/10.1115/2001-GT-0493
View Paper titled, Midspan Flow-Field Measurements for Two Transonic Linear Turbine Cascades at Off-Design Conditions
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Topics: Design, Flow (Dynamics), Turbines, Blades, Turbine blades, Computational fluid dynamics, Databases, Density, Geometry, Mach number
Proceedings Papers

Effects of Simplified Platform Overlap and Cavity Geometry on the Endwall Flow: Measurements and Computations in a Low-Speed Linear Turbine Cascade

G. D. MacIsaac, S. A. Sjolander, T. J. Praisner, E. A. Grover, R. Jurek
Proc. ASME. GT2013, Volume 6A: Turbomachinery, V06AT36A035, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-95670
https://doi.org/10.1115/GT2013-95670
View Paper titled, Effects of Simplified Platform Overlap and Cavity Geometry on the Endwall Flow: Measurements and Computations in a Low-Speed Linear Turbine Cascade
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Topics: Cascades (Fluid dynamics), Cavities, Computation, Flow measurement, Geometry, Turbines, Computational fluid dynamics, Vortices, Flow (Dynamics), Approximation
Journal Articles

Application of Nonaxisymmetric Endwall Contouring to Conventional and High-Lift Turbine Airfoils

T. J. Praisner, E. Allen-Bradley, E. A. Grover, D. C. Knezevici, S. A. Sjolander
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. November 2013, 135(6): 061006.
Paper No: TURBO-11-1045
https://doi.org/10.1115/1.4024023
Published Online: September 13, 2013
View Article titled, Application of Nonaxisymmetric Endwall Contouring to Conventional and High-Lift Turbine Airfoils
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Topics: Airfoils, Design, Flow (Dynamics), Turbines, Pressure, Vortices
Journal Articles

Toward the Expansion of Low-Pressure-Turbine Airfoil Design Space

T. J. Praisner, E. A. Grover, D. C. Knezevici, I. Popovic, S. A. Sjolander, J. P. Clark, R. Sondergaard
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. November 2013, 135(6): 061007.
Paper No: TURBO-11-1046
https://doi.org/10.1115/1.4024796
Published Online: September 13, 2013
View Article titled, Toward the Expansion of Low-Pressure-Turbine Airfoil Design Space
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Topics: Airfoils, Design, Pressure, Reynolds number