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Andreas Malcherek
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Journal Articles

The Integral Momentum Balance Applied to Metering Orifices to Obtain the Pressure Drop and the Flow Rate With High Accuracy

Sebastian Müller, Andreas Malcherek
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. October 2023, 145(10): 101203.
Paper No: FE-22-1493
https://doi.org/10.1115/1.4062505
Published Online: June 20, 2023
View Article titled, The Integral Momentum Balance Applied to Metering Orifices to Obtain the Pressure Drop and the Flow Rate With High Accuracy
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Topics: Computer simulation, Flow (Dynamics), Momentum, Pressure, Pressure drop, Pipes
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
Proceedings Papers

A Unified Theory for the Pressure Change of Sudden Expansions and Contractions Based on the Momentum Balance

Sebastian Müller, Andreas Malcherek
Proc. ASME. FEDSM2021, Volume 2: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V002T03A021, August 10–12, 2021
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2021-65703
https://doi.org/10.1115/FEDSM2021-65703
View Paper titled, A Unified Theory for the Pressure Change of Sudden Expansions and Contractions Based on the Momentum Balance
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Topics: Momentum, Pressure, Unified field theories, Computer simulation, Energy conservation, Flow (Dynamics), Geometry, Hydraulic structures
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

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
Journal Articles

A General Outflow Theory Based on Momentum Balance

Andreas Malcherek
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. January 2022, 144(1): 011301.
Paper No: FE-20-1710
https://doi.org/10.1115/1.4051579
Published Online: July 21, 2021
View Article titled, A General Outflow Theory Based on Momentum Balance
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Topics: Momentum, Outflow, Vessels
Journal Articles

The Application of the Integral Momentum Balance on the Pressure Drop of a Sudden Contraction

Andreas Malcherek, Sebastian Müller
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research-Article
J. Fluids Eng. January 2021, 143(1): 011302.
Paper No: FE-20-1102
https://doi.org/10.1115/1.4048286
Published Online: October 13, 2020
View Article titled, The Application of the Integral Momentum Balance on the Pressure Drop of a Sudden Contraction
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Topics: Flow (Dynamics), Momentum, Pressure, Pressure drop, Computer simulation, Turbulence
Proceedings Papers

Parametrisation of the Pressure and the Momentum Integral for Inclined Sluicegates Flows

Michael Steppert, Philipp Epple, Andreas Malcherek
Proc. ASME. FEDSM2020, Volume 1: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V001T01A019, July 13–15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2020-20253
https://doi.org/10.1115/FEDSM2020-20253
View Paper titled, Parametrisation of the Pressure and the Momentum Integral for Inclined Sluicegates Flows
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Topics: Flow (Dynamics), Momentum, Pressure, Sluice gates, Discharge coefficient, Flux (Metallurgy), Polynomials, Water, Computational fluid dynamics, Energy conservation
Proceedings Papers

Theoretical and Numerical Analysis of the Pressure Distribution and Discharge Velocity in Flows Under Inclined Sluice Gates

Philipp Epple, Michael Steppert, Andreas Malcherek, Manuel Fritsche
Proc. ASME. AJKFluids2019, Volume 5: Multiphase Flow, V005T05A056, July 28–August 1, 2019
Publisher: American Society of Mechanical Engineers
Paper No: AJKFluids2019-5020
https://doi.org/10.1115/AJKFluids2019-5020
View Paper titled, Theoretical and Numerical Analysis of the Pressure Distribution and Discharge Velocity in Flows Under Inclined Sluice Gates
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Topics: Flow (Dynamics), Numerical analysis, Pressure, Sluice gates, Momentum, Discharge coefficient, Boundary layers, Computational fluid dynamics, Geometry, Potential theory (Physics)
Proceedings Papers

Theoretical and Numerical Analysis of the Pressure Distribution and Discharge Velocity in Flows Under Sluice Gates

Philipp Epple, Michael Steppert, Michael Steber, Andreas Malcherek
Proc. ASME. FEDSM2018, Volume 2: Development and Applications in Computational Fluid Dynamics; Industrial and Environmental Applications of Fluid Mechanics; Fluid Measurement and Instrumentation; Cavitation and Phase Change, V002T11A009, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2018-83277
https://doi.org/10.1115/FEDSM2018-83277
View Paper titled, Theoretical and Numerical Analysis of the Pressure Distribution and Discharge Velocity in Flows Under Sluice Gates
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Topics: Flow (Dynamics), Numerical analysis, Pressure, Sluice gates, Gates (Closures), Momentum, Inflow, Computation, Computational fluid dynamics, Hydraulics