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Peter F. Pelz
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Journal Articles

Dynamic Force and Moment Characteristics of Annular Gaps—Simulation Results and Evaluation of the Relevance of the Tilt and Moment Coefficients

Maximilian M. G. Kuhr, Rainer Nordmann, Peter F. Pelz
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. January 2023, 145(1): 011801.
Paper No: TRIB-22-1005
https://doi.org/10.1115/1.4055180
Published Online: October 7, 2022
View Article titled, Dynamic Force and Moment Characteristics of Annular Gaps—Simulation Results and Evaluation of the Relevance of the Tilt and Moment Coefficients
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Topics: Annulus, Damping, Excitation, Flow (Dynamics), Fluid films, Inertia (Mechanics), Reynolds number, Stiffness, Rotation
Journal Articles

Static Force Characteristic of Annular Gaps – Experimental and Simulation Results

Maximilian M. G. Kuhr, Sebastian R. Lang, Peter F. Pelz
Journal: Journal of Tribology
Article Type: Research Papers
J. Tribol. November 2022, 144(11): 111804.
Paper No: TRIB-21-1627
https://doi.org/10.1115/1.4054792
Published Online: July 12, 2022
View Article titled, Static Force Characteristic of Annular Gaps – Experimental and Simulation Results
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Topics: Annulus, Clearances (Engineering), Flow (Dynamics), Pressure, Reynolds number, Rotors, Simulation results
Journal Articles

Efficiency Scaling: Influence of Reynolds and Mach Numbers on Fan Performance

Peter F. Pelz, Sebastian Saul, Johannes Brötz
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. June 2022, 144(6): 061001.
Paper No: TURBO-20-1106
https://doi.org/10.1115/1.4053172
Published Online: January 28, 2022
View Article titled, Efficiency Scaling: Influence of Reynolds and Mach Numbers on Fan Performance
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Topics: Fans, Flow (Dynamics), Friction, Mach number, Pressure, Reynolds number, Machinery, Impellers, Surface roughness
Proceedings Papers

Meaningful and Physically Consistent Efficiency Definition for Positive Displacement Pumps - Continuation of the Critical Review of ISO 4391 and ISO 4409

Christian Schänzle, Peter F. Pelz
Proc. ASME. FPMC2021, ASME/BATH 2021 Symposium on Fluid Power and Motion Control, V001T01A027, October 19–21, 2021
Paper No: FPMC2021-68739
https://doi.org/10.1115/FPMC2021-68739
View Paper titled, Meaningful and Physically Consistent Efficiency Definition for Positive Displacement Pumps - Continuation of the Critical Review of ISO 4391 and ISO 4409
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Topics: Vacuum pumps, Fluids, Compressibility, Machinery, Cycles, Displacement, Enthalpy, Flow (Dynamics), High pressure (Physics), Pumps
Journal Articles

Experimental Investigation of the Swirl Development at the Inlet of a Coaxial Rotating Diffuser or Nozzle

Ferdinand-J. Cloos, Peter F. Pelz
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. April 2019, 141(4): 041107.
Paper No: FE-18-1084
https://doi.org/10.1115/1.4042095
Published Online: January 29, 2019
View Article titled, Experimental Investigation of the Swirl Development at the Inlet of a Coaxial Rotating Diffuser or Nozzle
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Topics: Boundary layers, Diffusers, Flow (Dynamics), Nozzles, Reynolds number, Turbulence, Pipes
Journal Articles

Developing Swirl Boundary Layer and Flow Separation at the Inlet of a Coaxial Rotating Diffuser or Nozzle

Ferdinand-J. Cloos, Peter F. Pelz
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. July 2019, 141(7): 071102.
Paper No: FE-18-1085
https://doi.org/10.1115/1.4042035
Published Online: January 7, 2019
View Article titled, Developing Swirl Boundary Layer and Flow Separation at the Inlet of a Coaxial Rotating Diffuser or Nozzle
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Topics: Boundary layers, Diffusers, Flow (Dynamics), Flow separation, Nozzles, Reynolds number, Momentum, Centrifugal force
eBook Chapter

Influence of the Tip Clearance on the Auto-Oscillation Frequency of a Cavitating Pump

Series: ASME Press Select Proceedings
Publisher: ASME Press
Published: 2018
ISBN: 9780791861851
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Topics: Clearances (Engineering), Oscillations, Pumps
eBook Chapter

Numerical 3D Simulation of the NPSH Characteristics of Centrifugal Pumps with Local and Integral Analysis of Void Structures

Series: ASME Press Select Proceedings
Publisher: ASME Press
Published: 2018
ISBN: 9780791861851
Open the PDF for Numerical 3D Simulation of the NPSH Characteristics of Centrifugal Pumps with Local and Integral Analysis of Void Structures in another window
Topics: Centrifugal pumps, Simulation
eBook Chapter

On the Dynamics of a Torus Cloud Employing the Van Wijngaarden Ansatz and the Gilmore Bubble Dynamics Equation

Series: ASME Press Select Proceedings
Publisher: ASME Press
Published: 2018
ISBN: 9780791861851
Open the PDF for On the Dynamics of a Torus Cloud Employing the Van Wijngaarden Ansatz and the Gilmore Bubble Dynamics Equation in another window
Topics: Ansätze (Mathematics), Bubbles, Dynamics (Mechanics)
eBook Chapter

The Role of Diffusion-Driven Nucleation in Hydrodynamic Cavitation

Series: ASME Press Select Proceedings
Publisher: ASME Press
Published: 2018
ISBN: 9780791861851
Open the PDF for The Role of Diffusion-Driven Nucleation in Hydrodynamic Cavitation in another window
Topics: Cavitation, Diffusion (Physics), Nucleation (Physics)
Journal Articles

Modeling of Cavitation-Induced Air Release Phenomena in Micro-Orifice Flows

Hans-Arndt Freudigmann, Aaron Dörr, Uwe Iben, Peter F. Pelz
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. November 2017, 139(11): 111301.
Paper No: FE-16-1482
https://doi.org/10.1115/1.4037048
Published Online: August 10, 2017
View Article titled, Modeling of Cavitation-Induced Air Release Phenomena in Micro-Orifice Flows
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Topics: Cavitation, Flow (Dynamics), Vapors, Equations of state, Pressure
Proceedings Papers

A Second Turbulent Regime When a Fully Developed Axial Turbulent Flow Enters a Rotating Pipe

Ferdinand-J. Cloos, Anna-L. Zimmermann, Peter F. Pelz
Proc. ASME. GT2016, Volume 2B: Turbomachinery, V02BT38A047, June 13–17, 2016
Paper No: GT2016-57499
https://doi.org/10.1115/GT2016-57499
View Paper titled, A Second Turbulent Regime When a Fully Developed Axial Turbulent Flow Enters a Rotating Pipe
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Topics: Pipes, Turbulence, Boundary layers, Flow (Dynamics), Reynolds number, Fluids, Laser Doppler anemometry, Momentum, Stability
Proceedings Papers

Analytic Assessment of an Embedded Aircraft Propulsion

Peter F. Pelz, Ferdinand-J. Cloos, Jörg Sieber
Proc. ASME. GT2016, Volume 1: Aircraft Engine; Fans and Blowers; Marine, V001T01A028, June 13–17, 2016
Paper No: GT2016-57524
https://doi.org/10.1115/GT2016-57524
View Paper titled, Analytic Assessment of an Embedded Aircraft Propulsion
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Topics: Aircraft, Aircraft engines, Aircraft propulsion, Boundary layers, Disks, Drag (Fluid dynamics), Engines, Flat plates, Flow (Dynamics), Momentum
Proceedings Papers

Scaling Methods for Matching Tasks in Turbocharged Engines

Thibaut Njoya, Mehdi Nakhjiri, Peter F. Pelz, Robert Frase
Proc. ASME. GT2014, Volume 1B: Marine; Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V01BT24A006, June 16–20, 2014
Paper No: GT2014-25224
https://doi.org/10.1115/GT2014-25224
View Paper titled, Scaling Methods for Matching Tasks in Turbocharged Engines
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Topics: Turbocharged engines, Turbochargers, Calibration, Engines, Concretes, Heat transfer, Steady state, Uncertainty
Proceedings Papers

Evolution of Swirl Boundary Layer and Wall Stall at Part Load: A Generic Experiment

Dennis Stapp, Peter F. Pelz
Proc. ASME. GT2014, Volume 2A: Turbomachinery, V02AT37A033, June 16–20, 2014
Paper No: GT2014-26235
https://doi.org/10.1115/GT2014-26235
View Paper titled, Evolution of Swirl Boundary Layer and Wall Stall at Part Load: A Generic Experiment
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Topics: Boundary layers, Stress, Pipes, Flow (Dynamics), Machinery, Reynolds number, Resolution (Optics), Turbulence, Laser Doppler anemometry, Scaling laws (Mathematical physics)
Proceedings Papers

Introduction of an Universal Scale-Up Method for the Efficiency of Axial and Centrifugal Fans

Peter F. Pelz, Stefan S. Stonjek
Proc. ASME. GT2014, Volume 1A: Aircraft Engine; Fans and Blowers, V01AT10A007, June 16–20, 2014
Paper No: GT2014-25403
https://doi.org/10.1115/GT2014-25403
View Paper titled, Introduction of an Universal Scale-Up Method for the Efficiency of Axial and Centrifugal Fans
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Topics: Fans, Inertia (Mechanics), Design, Flow (Dynamics), Friction, Impellers, Performance characterization, Pressure, Rotors, Stators
Proceedings Papers

Turbomachines Under Periodic Admission: Axiomatic Performance Prediction

Mehdi Nakhjiri, Peter F. Pelz
Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 2483-2490, June 11–15, 2012
Paper No: GT2012-68398
https://doi.org/10.1115/GT2012-68398
View Paper titled, Turbomachines Under Periodic Admission: Axiomatic Performance Prediction
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Topics: Turbomachinery, Calibration, Engines, Steady state, Turbochargers, Uncertainty
Proceedings Papers

A Physical Model for the Tip Vortex Loss: Experimental Validation and Scaling Method

Sascha Karstadt, Peter F. Pelz
Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 73-81, June 11–15, 2012
Paper No: GT2012-68397
https://doi.org/10.1115/GT2012-68397
View Paper titled, A Physical Model for the Tip Vortex Loss: Experimental Validation and Scaling Method
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Topics: Wake turbulence, Clearances (Engineering), Vortices, Blades, Flow (Dynamics), Turbomachinery, Fluids, Pressure, Rotating blades, Suction
Journal Articles

The Influence of Reynolds Number and Roughness on the Efficiency of Axial and Centrifugal Fans—A Physically Based Scaling Method

Peter F. Pelz, Stefan S. Stonjek
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2013, 135(5): 052601.
Paper No: GTP-12-1323
https://doi.org/10.1115/1.4022991
Published Online: April 23, 2013
View Article titled, The Influence of Reynolds Number and Roughness on the Efficiency of Axial and Centrifugal Fans—A Physically Based Scaling Method
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Topics: Fans, Flow (Dynamics), Friction, Machinery, Pressure, Reynolds number, Surface roughness, Clearances (Engineering), Mach number
Proceedings Papers

Sound Deadening on Fans

Sascha Karstadt, Berthold Matyschok, Peter F. Pelz
Proc. ASME. GT2011, Volume 7: Turbomachinery, Parts A, B, and C, 961-971, June 6–10, 2011
Paper No: GT2011-45004
https://doi.org/10.1115/GT2011-45004
View Paper titled, Sound Deadening on Fans
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Topics: Fans, Noise (Sound), Acoustics, Clearances (Engineering), Ducts, Blades, Construction, Design, Flow (Dynamics), Manufacturing