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G. Gyarmathy
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Proceedings Papers

Flow Phenomena in a Vaned Diffuser of a Centrifugal Stage

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P. Dalbert, G. Gyarmathy, A. Sebestyen
Proc. ASME. GT1993, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A021, May 24–27, 1993
Publisher: American Society of Mechanical Engineers
Paper No: 93-GT-053
https://doi.org/10.1115/93-GT-053
View Paper titled, Flow Phenomena in a Vaned Diffuser of a Centrifugal Stage
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Topics: Diffusers, Flow (Dynamics), Design, Cascades (Fluid dynamics), Compressors, Computation, Flow visualization, Geometry, Viscous flow
Proceedings Papers

Numerical Flow Analysis in a Subsonic Vaned Radial Diffuser With Leading Edge Redesign

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E. Casartelli, A. P. Saxer, G. Gyarmathy
Proc. ASME. GT1997, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A035, June 2–5, 1997
Publisher: American Society of Mechanical Engineers
Paper No: 97-GT-185
https://doi.org/10.1115/97-GT-185
View Paper titled, Numerical Flow Analysis in a Subsonic Vaned Radial Diffuser With Leading Edge Redesign
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Topics: Diffusers, Flow (Dynamics), Pressure, Blades, Compressors, Computer software, Design, Geometry
Proceedings Papers

A Comparison of Experimental With Computational Results in an Annular Turbine Cascade With Emphasis on Losses

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C. Casciaro, M. Treiber, M. Sell, A. P. Saxer, G. Gyarmathy
Proc. ASME. GT1998, Volume 1: Turbomachinery, V001T01A043, June 2–5, 1998
Publisher: American Society of Mechanical Engineers
Paper No: 98-GT-146
https://doi.org/10.1115/98-GT-146
View Paper titled, A Comparison of Experimental With Computational Results in an Annular Turbine Cascade With Emphasis on Losses
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Topics: Cascades (Fluid dynamics), Turbines, Flow (Dynamics), Turbulence, Computational fluid dynamics, Computation, Blades, Experimental methods, Mach number, Pressure
Proceedings Papers

Performance Analysis in a Subsonic Radial Diffuser

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E. Casartelli, A. P. Saxer, G. Gyarmathy
Proc. ASME. GT1998, Volume 1: Turbomachinery, V001T01A045, June 2–5, 1998
Publisher: American Society of Mechanical Engineers
Paper No: 98-GT-153
https://doi.org/10.1115/98-GT-153
View Paper titled, Performance Analysis in a Subsonic Radial Diffuser
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Topics: Diffusers, Flow (Dynamics), Design, Pressure, Computer software, Impellers, Outflow, Shapes, Steady state
Proceedings Papers

Prediction and Measurement of Rotating Stall Cells in an Axial Compressor

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H. M. Saxer-Felici, A. P. Saxer, A. Inderbitzin, G. Gyarmathy
Proc. ASME. GT1998, Volume 1: Turbomachinery, V001T01A020, June 2–5, 1998
Publisher: American Society of Mechanical Engineers
Paper No: 98-GT-067
https://doi.org/10.1115/98-GT-067
View Paper titled, Prediction and Measurement of Rotating Stall Cells in an Axial Compressor
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Topics: Compressors, Flow (Dynamics), Momentum, Pressure, Blades, Computation, Computer simulation, Flow visualization, Fluids, Inertia (Mechanics)
Proceedings Papers

Investigations of Turbulent Flow in a Centrifugal Compressor Vaned Diffuser by 3-Component Laser Velocimetry

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D. Stahlecker, G. Gyarmathy
Proc. ASME. GT1998, Volume 1: Turbomachinery, V001T01A082, June 2–5, 1998
Publisher: American Society of Mechanical Engineers
Paper No: 98-GT-300
https://doi.org/10.1115/98-GT-300
View Paper titled, Investigations of Turbulent Flow in a Centrifugal Compressor Vaned Diffuser by 3-Component Laser Velocimetry
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Topics: Compressors, Diffusers, Laser velocimetry, Turbulence, Flow (Dynamics), Impellers, Fluctuations (Physics), Stress, Computational fluid dynamics, Mach number
Proceedings Papers

Comparison of Measurement Data at the Impeller Exit of a Centrifugal Compressor Measured With Both Pneumatic and Fast-Response Probes

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C. Roduner, P. Köppel, P. Kupferschmied, G. Gyarmathy
Proc. ASME. GT1998, Volume 1: Turbomachinery, V001T01A056, June 2–5, 1998
Publisher: American Society of Mechanical Engineers
Paper No: 98-GT-241
https://doi.org/10.1115/98-GT-241
View Paper titled, Comparison of Measurement Data at the Impeller Exit of a Centrifugal Compressor Measured With Both Pneumatic and Fast-Response Probes
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Topics: Compressors, Impellers, Probes, Flow (Dynamics), Geometry, Temperature, Turbines
Proceedings Papers

Structure and Propagation of Rotating Stall in a Single- and a Multi-Stage Axial Compressor

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H. M. Saxer-Felici, A. P. Saxer, F. Ginter, A. Inderbitzin, G. Gyarmathy
Proc. ASME. GT1999, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A070, June 7–10, 1999
Publisher: American Society of Mechanical Engineers
Paper No: 99-GT-452
https://doi.org/10.1115/99-GT-452
View Paper titled, Structure and Propagation of Rotating Stall in a Single- and a Multi-Stage Axial Compressor
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Topics: Compressors, Flow (Dynamics), Computational fluid dynamics, Equations of motion, Experimental analysis, Flow visualization, Physics, Pressure measurement, Water
Proceedings Papers

Flow Interaction From the Exit Cavity of an Axial Turbine Blade Row Labyrinth Seal

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A. Pfau, M. Treiber, M. Sell, G. Gyarmathy
Proc. ASME. GT2000, Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery, V001T03A051, May 8–11, 2000
Publisher: American Society of Mechanical Engineers
Paper No: 2000-GT-0481
https://doi.org/10.1115/2000-GT-0481
View Paper titled, Flow Interaction From the Exit Cavity of an Axial Turbine Blade Row Labyrinth Seal
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Topics: Cavities, Flow (Dynamics), Turbine blades, Blades, Fluids, Leakage, Cavity flows, Clearances (Engineering), Cross-flow, Geometry
Journal Articles

Flow Interaction From the Exit Cavity of an Axial Turbine Blade Row Labyrinth Seal

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A. Pfau, M. Treiber, M. Sell, G. Gyarmathy
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. April 2001, 123(2): 342–352.
https://doi.org/10.1115/1.1368124
Published Online: February 1, 2000
View Articletitled, Flow Interaction From the Exit Cavity of an Axial Turbine Blade Row Labyrinth Seal
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Topics: Cavities, Flow (Dynamics), Pressure, Blades, Fluids
Journal Articles

Comparison of Measurement Data at the Impeller Exit of a Centrifugal Compressor Measured With Both Pneumatic and Fast-Response Probes

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C. Roduner, P. Ko¨ppel, P. Kupferschmied, G. Gyarmathy
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 1999, 121(3): 609–618.
https://doi.org/10.1115/1.2841359
Published Online: July 1, 1999
View Articletitled, Comparison of Measurement Data at the Impeller Exit of a Centrifugal Compressor Measured With Both Pneumatic and Fast-Response Probes
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Topics: Compressors, Impellers, Probes, Flow (Dynamics), Geometry, Temperature, Turbines
Journal Articles

Energy Input of a Centrifugal Stage Into the Attached Piping System During Mild Surge

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B. Ribi, G. Gyarmathy
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research Papers
J. Eng. Gas Turbines Power. April 1999, 121(2): 325–334.
https://doi.org/10.1115/1.2817124
Published Online: April 1, 1999
View Articletitled, Energy Input of a Centrifugal Stage Into the Attached Piping System During Mild Surge
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Topics: Piping systems, Surges, Diffusers, Compressors, Transients (Dynamics), Flow (Dynamics), Oscillations, Fluids, Inertia (Mechanics), Modeling
Journal Articles

Prediction and Measurement of Rotating Stall Cells in an Axial Compressor

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H. M. Saxer-Felici, A. P. Saxer, A. Inderbitzin, G. Gyarmathy
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 1999, 121(2): 365–375.
https://doi.org/10.1115/1.2841323
Published Online: April 1, 1999
View Articletitled, Prediction and Measurement of Rotating Stall Cells in an Axial Compressor
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Topics: Compressors, Flow (Dynamics), Momentum, Pressure, Blades, Computation, Computer simulation, Flow visualization, Fluids, Inertia (Mechanics)
Journal Articles

Numerical Flow Analysis in a Subsonic Vaned Radial Diffuser With Leading Edge Redesign

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E. Casartelli, A. P. Saxer, G. Gyarmathy
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 1999, 121(1): 119–126.
https://doi.org/10.1115/1.2841219
Published Online: January 1, 1999
View Articletitled, Numerical Flow Analysis in a Subsonic Vaned Radial Diffuser With Leading Edge Redesign
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Topics: Diffusers, Flow (Dynamics), Pressure, Blades, Compressors, Computer software, Design, Geometry
Journal Articles

On Fast-Response Probes: Part 2—Aerodynamic Probe Design Studies

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H. J. Humm, C. R. Gossweiler, G. Gyarmathy
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 1995, 117(4): 618–624.
https://doi.org/10.1115/1.2836580
Published Online: October 1, 1995
View Articletitled, On Fast-Response Probes: Part 2—Aerodynamic Probe Design Studies
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Topics: Design, Probes, Errors, Flow (Dynamics), Wedges, Yaw, Calibration, Circular cylinders, Turbomachinery, Pressure
Journal Articles

On Fast-Response Probes: Part 1—Technology, Calibration, and Application to Turbomachinery

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C. R. Gossweiler, P. Kupferschmied, G. Gyarmathy
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 1995, 117(4): 611–617.
https://doi.org/10.1115/1.2836579
Published Online: October 1, 1995
View Articletitled, On Fast-Response Probes: Part 1—Technology, Calibration, and Application to Turbomachinery
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Topics: Calibration, Probes, Turbomachinery, Pressure, Flow (Dynamics), Pressure transducers, Turbulence, Compressors, Errors, Fluctuations (Physics)
Journal Articles

The Operational Stability of a Centrifugal Compressor and Its Dependence on the Characteristics of the Subcomponents

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R. Hunziker, G. Gyarmathy
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 1994, 116(2): 250–259.
https://doi.org/10.1115/1.2928359
Published Online: April 1, 1994
View Articletitled, The Operational Stability of a Centrifugal Compressor and Its Dependence on the Characteristics of the Subcomponents
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Topics: Compressors, Stability, Diffusers, Pressure, Flow (Dynamics), Impellers, Compression, Pressure measurement, Surges
Journal Articles

Nonlinear Analysis of Surge Cycles

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G. Gyarmathy
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Technical Briefs
J. Fluids Eng. March 1977, 99(1): 258–259.
https://doi.org/10.1115/1.3448535
Published Online: March 1, 1977
View Articletitled, Nonlinear Analysis of Surge Cycles
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Topics: Cycles, Surges