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Proceedings Papers

New Theoretical Shock Loss Model for Axial Fans Based on the Integral Momentum Equation

Manuel Fritsche, Philipp Epple
Proc. ASME. FEDSM2024, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC); Multiphase Flow (MFTC), V001T03A006, July 15–17, 2024
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2024-130255
https://doi.org/10.1115/FEDSM2024-130255
View Paper titled, New Theoretical Shock Loss Model for Axial Fans Based on the Integral Momentum Equation
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Topics: Fans, Momentum, Shock (Mechanics), Pressure, Turbomachinery, Computation, Computational fluid dynamics, Design, Energy conservation, Engineering education
Proceedings Papers

Physics-Based Design and Optimization Strategy for Low-Pressure Axial Fans

Manuel Fritsche, Philipp Epple
Proc. ASME. FEDSM2024, Volume 2: Computational Fluid Dynamics (CFDTC); Micro and Nano Fluid Dynamics (MNFDTC); Flow Visualization, V002T05A007, July 15–17, 2024
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2024-130475
https://doi.org/10.1115/FEDSM2024-130475
View Paper titled, Physics-Based Design and Optimization Strategy for Low-Pressure Axial Fans
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Topics: Design, Fans, Optimization, Physics, Pressure, Blades, Flow (Dynamics), Computational fluid dynamics, Equilibrium (Physics), Geometry
Proceedings Papers

Analytical and Numerical Analysis of the De Haller Criterion for Low-Pressure Axial Fans

Manuel Fritsche, Philipp Epple, Antonio Delgado
Proc. ASME. IMECE2023, Volume 9: Fluids Engineering, V009T10A010, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-113304
https://doi.org/10.1115/IMECE2023-113304
View Paper titled, Analytical and Numerical Analysis of the De Haller Criterion for Low-Pressure Axial Fans
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Topics: Computational fluid dynamics, Fans, Numerical analysis, Pressure, Blades, Flow (Dynamics), Analytical design, Computer simulation, Impellers, Cascades (Fluid dynamics)
Proceedings Papers

Analytical and Numerical Investigations on the Stator Guide Vanes for Low-Pressure Axial Fans

Manuel Fritsche, Philipp Epple, Antonio Delgado
Proc. ASME. IMECE2023, Volume 9: Fluids Engineering, V009T10A004, October 29–November 2, 2023
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2023-112080
https://doi.org/10.1115/IMECE2023-112080
View Paper titled, Analytical and Numerical Investigations on the Stator Guide Vanes for Low-Pressure Axial Fans
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Topics: Computational fluid dynamics, Fans, Guide vanes, Pressure, Stators
Journal Articles

Flow Visualization of Wing Vortices of Delta Wings

Philipp Epple, Dustyn Kramer, Michael Steppert
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Photo Gallery
J. Fluids Eng. June 2023, 145(6): 060904.
Paper No: FE-23-1073
https://doi.org/10.1115/1.4057070
Published Online: March 10, 2023
View Article titled, Flow Visualization of Wing Vortices of Delta Wings
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Topics: Flow visualization, Vortices, Wings
Proceedings Papers

Impact of the Blade Profiling on the Performance of Low-Pressure Axial Fans

Manuel Fritsche, Philipp Epple, Antonio Delgado
Proc. ASME. IMECE2022, Volume 8: Fluids Engineering; Heat Transfer and Thermal Engineering, V008T10A001, October 30–November 3, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2022-94280
https://doi.org/10.1115/IMECE2022-94280
View Paper titled, Impact of the Blade Profiling on the Performance of Low-Pressure Axial Fans
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Topics: Blades, Fans, Pressure, Flow (Dynamics), Impellers, Reynolds number, Sheet metal, Flow separation, Air conditioning, Computational fluid dynamics
Proceedings Papers

Impact of the Tip Clearance and the Inflow Nozzle Shape on the Performance of Low-Pressure Axial Fans

Manuel Fritsche, Philipp Epple, Antonio Delgado
Proc. ASME. IMECE2022, Volume 8: Fluids Engineering; Heat Transfer and Thermal Engineering, V008T10A006, October 30–November 3, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2022-95881
https://doi.org/10.1115/IMECE2022-95881
View Paper titled, Impact of the Tip Clearance and the Inflow Nozzle Shape on the Performance of Low-Pressure Axial Fans
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Topics: Clearances (Engineering), Fans, Inflow, Nozzles, Pressure, Shapes, Blades, Impellers, Flow (Dynamics), Manufacturing
Journal Articles

Numerical and Theoretical Investigation of the Gap Flow in Centrifugal Fans for Design and Off-Design Conditions

Manuel Fritsche, Philipp Epple, Antonio Delgado
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. March 2023, 145(3): 031203.
Paper No: FE-22-1338
https://doi.org/10.1115/1.4056311
Published Online: December 21, 2022
View Article titled, Numerical and Theoretical Investigation of the Gap Flow in Centrifugal Fans for Design and Off-Design Conditions
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Topics: Design, Flow (Dynamics), Impellers, Pressure, Computational fluid dynamics, Fans, Stress, Dimensional analysis, Blades
Proceedings Papers

Simulation-Driven Blade Work Distribution Based Design Strategy and Optimization of a Low-Pressure Axial Fan

Manuel Fritsche, Philipp Epple, Antonio Delgado
Proc. ASME. FEDSM2022, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC), V001T01A016, August 3–5, 2022
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2022-87635
https://doi.org/10.1115/FEDSM2022-87635
View Paper titled, Simulation-Driven Blade Work Distribution Based Design Strategy and Optimization of a Low-Pressure Axial Fan
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Topics: Blades, Design, Optimization, Pressure, Simulation, Impellers, Shapes, Performance characterization, Equilibrium (Physics), Fans
Proceedings Papers

The Impact of Scaling on the Gap Flow Rate of Radial Fans

Manuel Fritsche, Philipp Epple, Antonio Delgado
Proc. ASME. FEDSM2022, Volume 1: Fluid Applications and Systems (FASTC); Fluid Measurement and Instrumentation (FMITC); Fluid Mechanics (FMTC), V001T01A019, August 3–5, 2022
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2022-87987
https://doi.org/10.1115/FEDSM2022-87987
View Paper titled, The Impact of Scaling on the Gap Flow Rate of Radial Fans
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Topics: Fans, Flow (Dynamics), Impellers, Dimensional analysis, Pressure, Design, Dimensions, Fluid density, Performance characterization, Viscosity
Journal Articles

Sluice Gate Discharge From Momentum Balance

Michael Steppert, Philipp Epple, Andreas Malcherek
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. April 2022, 144(4): 041101.
Paper No: FE-21-1355
https://doi.org/10.1115/1.4053351
Published Online: February 8, 2022
View Article titled, Sluice Gate Discharge From Momentum Balance
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Topics: Computational fluid dynamics, Gates (Closures), Momentum, Pressure, Sluice gates, Parametrization, Discharge coefficient
Journal Articles

Flow Visualization of Protection Effectiveness of Partition Walls and Face Masks

Philipp Epple, Michael Steppert, Michael Florschuetz, Peter Dahlem
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Photo Gallery
J. Fluids Eng. April 2022, 144(4): 040907.
Paper No: FE-21-1683
https://doi.org/10.1115/1.4053574
Published Online: January 29, 2022
View Article titled, Flow Visualization of Protection Effectiveness of Partition Walls and Face Masks
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Topics: Flow visualization
Journal Articles

Effect of Winglets on Wing Tip Vortices

Philipp Epple, Michael Steppert, Michael Florschuetz
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Photo Gallery
J. Fluids Eng. April 2022, 144(4): 040906.
Paper No: FE-21-1671
https://doi.org/10.1115/1.4053573
Published Online: January 29, 2022
View Article titled, Effect of Winglets on Wing Tip Vortices
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Topics: Wake turbulence, Wings
Proceedings Papers

Aerodynamic Performance Analysis of Winglets of Modern Sailplanes

Jens Kästner, Philipp Epple, Michael Steppert
Proc. ASME. IMECE2021, Volume 10: Fluids Engineering, V010T10A045, November 1–5, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2021-69672
https://doi.org/10.1115/IMECE2021-69672
View Paper titled, Aerodynamic Performance Analysis of Winglets of Modern Sailplanes
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Topics: Computation, Computational fluid dynamics, Design, Inviscid flow, Wings
Proceedings Papers

Design of a Hydrokinetic Turbine for Energy Ships Applications With Combined Extended Analytical Betz-Schmidt Method and Numerical Simulations CFD

Philipp Epple, Jonas Holzbrecher, Michael Steppert, Max F. Platzer
Proc. ASME. IMECE2021, Volume 10: Fluids Engineering, V010T10A049, November 1–5, 2021
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2021-70051
https://doi.org/10.1115/IMECE2021-70051
View Paper titled, Design of a Hydrokinetic Turbine for Energy Ships Applications With Combined Extended Analytical Betz-Schmidt Method and Numerical Simulations CFD
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Topics: Computational fluid dynamics, Computer simulation, Design, Hydraulic turbines, Ships, Turbines, Design methodology, Airfoils, Torque, Water
Proceedings Papers

Wall Bounded Flows and a General Proof of the Validity of the Universal Logarithmic Law of the Wall

Philipp Epple, Michael Steppert, Andreas Malcherek
Proc. ASME. FEDSM2021, Volume 3: Fluid Mechanics; Micro and Nano Fluid Dynamics; Multiphase Flow, V003T05A003, August 10–12, 2021
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2021-65733
https://doi.org/10.1115/FEDSM2021-65733
View Paper titled, Wall Bounded Flows and a General Proof of the Validity of the Universal Logarithmic Law of the Wall
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Topics: Flow (Dynamics), Navier-Stokes equations, Turbulence, Boundary layers, Dimensional analysis, External pressure, Flat plates, Laminar flow, Students, Teaching
Proceedings Papers

Impact of Flow Characteristics on the Pressure Distribution on Sluice Gates

Michael Steppert, Philipp Epple, Andreas Malcherek
Proc. ASME. FEDSM2021, Volume 2: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V002T03A006, August 10–12, 2021
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2021-65396
https://doi.org/10.1115/FEDSM2021-65396
View Paper titled, Impact of Flow Characteristics on the Pressure Distribution on Sluice Gates
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Topics: Flow (Dynamics), Gates (Closures), Pressure, Sluice gates
Proceedings Papers

Analytical and Numerical Investigation of the Fluid Structure Interaction of an Elastic Beam in a Water Channel

Manuel Fritsche, Philipp Epple, Antonio Delgado
Proc. ASME. IMECE2020, Volume 10: Fluids Engineering, V010T10A049, November 16–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2020-23831
https://doi.org/10.1115/IMECE2020-23831
View Paper titled, Analytical and Numerical Investigation of the Fluid Structure Interaction of an Elastic Beam in a Water Channel
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Topics: Deflection, Fluid structure interaction, Water
Proceedings Papers

A New Method for Performance Measurement of PPV Fans for Fire Fighting Under Realistic Conditions

Michael Steppert, Philipp Epple, Michael Steber, Stefan Gast
Proc. ASME. IMECE2020, Volume 10: Fluids Engineering, V010T10A055, November 16–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2020-24381
https://doi.org/10.1115/IMECE2020-24381
View Paper titled, A New Method for Performance Measurement of PPV Fans for Fire Fighting Under Realistic Conditions
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Topics: Fans, Fire, Nozzles, Flow (Dynamics), Smoke, Doors, Pressure, Combustion, Computational fluid dynamics, Design
Proceedings Papers

CFD Investigations on Drag Reduction due to Cavitator Heads on Supercavitating Bodies

Michael Steppert, Philipp Epple, Stefan Gast, Zoltan Von Mohos, Martin Wortmann
Proc. ASME. IMECE2020, Volume 10: Fluids Engineering, V010T10A056, November 16–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2020-24480
https://doi.org/10.1115/IMECE2020-24480
View Paper titled, CFD Investigations on Drag Reduction due to Cavitator Heads on Supercavitating Bodies
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Topics: Computational fluid dynamics, Drag reduction