[Journal Article]
Comparative analysis of leakage calculations for metallic seals of ball-seat valves using the multi-asperity model and the magnification-based model
In: Tribology international, 163, 107130, 2021
[DOI: 10.1016/j.triboint.2021.107130]

Peng, Chao (Corresponding author)
Fischer, Felix Justin
Schmitz, Katharina
Murrenhoff, Hubertus

[Abstract]
Audiovisuelle und kognitive Effekte bei der Lautheitsbeurteilung eines Baggers mit Hydraulikpumpe
In: 47. Jahrestagung für Akustik Wien 2021-08-15 - 2021-08-18, 2021

Georgi, Markus
Pietrzyk, Tobias
Schmitz, Katharina
Schlittmeier, Sabine Janina

[Journal Article]
Selbsterrichtende Windenergieanlage mit Nabenhöhe von 180 m
In: Stahlbau, 90 (9), 672-680, 2021
[DOI: 10.1002/stab.202100040]

Pak, Daniel (Corresponding author)
Korte, Sebastian (Corresponding author)
Kemper, Frank (Corresponding author)
Friehe, Mirko (Corresponding author)
Fontecha Gonzalez, Robert (Corresponding author)
et al.

[Contribution to a book, Journal Article]
Bio-Based Hydraulic Fluids and the Influence of Hydraulic Oil Viscosity on the Efficiency of Mobile Machinery
In: Sustainability, 13 (14), 7570, 2021
[DOI: 10.3390/su13147570]

Deuster, Sebastian (Corresponding author)
Schmitz, Katharina

[Contribution to a book, Journal Article]
Psychoacoustic Evaluation of Hydraulic Pumps
In: Sustainability, 13 (13), 7320, 2021
[DOI: 10.3390/su13137320]

Pietrzyk, Tobias
Georgi, Markus
Schlittmeier, Sabine Janina
Schmitz, Katharina (Corresponding author)

[Contribution to a conference proceedings]
Novel hydraulically relieved electromechanical direct actuation system for large scale switching valves
In: [The 17th Scandinavian International Conference on Fluid Power, SICFP'21, 2021-06-01 - 2022-06-02, Linköping, Sweden], 173-185, 2021

Vonderbank, Tobias
Schmitz, Katharina

[Contribution to a conference proceedings]
Electromechanical Actuator for Large Sized Directional Control Valves
In: [10th International Conference on Fluid Power Transmission and Control, ICFP, 2021-04-11 - 2021-04-13, Hangzhou, China], 312-317, 2021

Vonderbank, Tobias
Schmitz, Katharina

[Patent]
Fluidgetriebener Antrieb, 2021

Reinertz, Olivier
Schmitz, Katharina

[Journal Article]
Investigation into the Reciprocating Sealing Performance based on an Optical Test Method
In: Tribology transactions, 2021
[DOI: 10.1080/10402004.2021.1904161]

Peng, Chao
Ouyang, Xiaoping (Corresponding author)
Wei, Wang
Schmitz, Katharina
Yang, Huayong

[Contribution to a conference proceedings]
Experimental Investigation of New Design Concepts for the Tribological Contact between the Valve Plate and the Cylinder Block in Axial Piston Machines
In: SICFP’21 : The 17th Scandinavian International Conference on Fluid Power : Online, hosted from Linköping, Sweden, 1 - 2 juni, 2021 : Proceeding, 117-129, 2021

Geffroy, Stefan (Corresponding author)
Wegner, Stephan
Gels, Stefan
Schmitz, Katharina

[Contribution to a conference proceedings]
Experimental Investigation of the Influence of Fluid Viscosity on the Efficiency of a Crawler Excavator
In: SICFP’21 : The 17th Scandinavian International Conference on Fluid Power : Online, hosted from Linköping, Sweden, 1 - 2 juni, 2021 : Proceeding, 19-32, 2021

Deuster, Sebastian (Corresponding author)
Schmitz, Katharina (Corresponding author)

[Journal Article]
Investigation into the tribological performance of reciprocating seals in a wide temperature range
In: Proceedings of the Institution of Mechanical Engineers / J, 235 (11), 2396-2414, 2021
[DOI: 10.1177/13506501211004786]

Peng, Chao
Ouyang, Xiaoping (Corresponding author)
Schmitz, Katharina
Wang, Wei
Guo, Shengrong
et al.

[Abstract, Contribution to a conference proceedings]
Performance analysis of the VL seal under starved conditions
In: The 10th International Conference on Fluid Power Transmission and Control : April 11-13, 2021, Hangzhou, China, S2201, 104-104, 2021

Peng, Chao (Corresponding author)
Ouyang, Xiaoping
Schmitz, Katharina

[Contribution to a book, Contribution to a conference proceedings]
Experimental Validation of a New Design Concept for the Increase of Efficiency of the Hydraulic Drive System in Mobile Working Machines
In: 19th Drive Train Technology Conference (ATK 2021) 9th-11th March 2021, Aachen, Germany, 012017, 1-13, 2021
[DOI: 10.1088/1757-899X/1097/1/012017]

Geffroy, Stefan (Corresponding author)
Brautlacht, Alexandra
Wegner, Stephan
Gels, Stefan
Schmitz, Katharina

[Contribution to a conference proceedings, Journal Article]
Conceptual Design of Electromechanical Actuation Systems for Large-Sized Directional Control Valves
In: Actuators : open access journal, 10 (6), 133, 2021
[DOI: 10.3390/act10060133]

Vonderbank, Tobias (Corresponding author)
Schmitz, Katharina

[Contribution to a book, Contribution to a conference proceedings]
Messtechnische Erprobung einer elektro-hydraulischen Linearachse mit High-Speed Antrieb
In: Hybride und energieeffiziente Antriebe für mobile Arbeitsmaschinen : 8. Fachtagung, 23. Februar 2021, Karlsruhe / herausgegeben von Institutsteil Mobile Arbeitsmaschinen (Mobima), Prof. Dr. Marcus Geimer; Verband Deutscher Maschinen- und Anlagenbau (VDMA), Dipl.-Ing. Peter-Michael Synek, 109-125, 2021
[DOI: 10.5445/KSP/1000127640]

Pietrzyk, Tobias (Corresponding author)
Schmitz, Katharina

[Contribution to a book, Contribution to a conference proceedings]
Hydraulische Mehrdrucksysteme für mobile Arbeitsmaschinen mit elektrischen Antrieben
In: Hybride und energieeffiziente Antriebe für mobile Arbeitsmaschinen : 8. Fachtagung, 23. Februar 2021, Karlsruhe / herausgegeben von Institutsteil Mobile Arbeitsmaschinen (Mobima), Prof. Dr. Marcus Geimer; Verband Deutscher Maschinen- und Anlagenbau (VDMA), Dipl.-Ing. Peter-Michael Synek, 13-33, 2021

Opgenoorth, Andreas (Corresponding author)
Haas, Christian
Frischkorn, Konrad
Schmitz, Katharina

[Contribution to a book, Contribution to a conference proceedings]
Simulation Based Data Sampling for Condition Monitoring of Fluid Power Drives
In: 19th Drive Train Technology Conference (ATK 2021) 9th-11th March 2021, Aachen, Germany, 1-10, 2021
[DOI: 10.1088/1757-899X/1097/1/012018]

Makansi, Faried (Corresponding author)
Schmitz, Katharina

[Journal Article]
Berechnungstool zur Bestimmung des CO2-Fußabdrucks von Produkten
In: O+P-Journal : anwendungsnahe Forschung für Fluidtechnik, 2021 (6), 32-35, 2021

Duensing, Yannick (Corresponding author)
Richert, Oliver
Schmitz, Katharina

[Contribution to a book, Contribution to a conference proceedings]
Extreme High-Speed Laser Material Deposition (EHLA) as High-Potential Coating Method for Tribological Contacts in Hydraulic Applications
In: Enhanced Material, Parts Optimization and Process Intensification : Proceedings of the First International Joint Conference on Enhanced Material and Part Optimization and Process Intensification, EMPOrIA 2020, May 19-20, 2020, Aachen, Germany / Uwe Reisgen, Dietmar Drummer, Holger Marschall Editors, 153-167, 2021
[DOI: 10.1007/978-3-030-70332-5_14]

Holzer, Achill (Corresponding author)
Koß, Stephan
Ziegler, Stephan
Schleifenbaum, Johannes Henrich
Schmitz, Katharina

[Contribution to a book, Contribution to a conference proceedings]
Investigation of the coating of hydrodynamic plain bearing contact surfaces by means of Extreme High-Speed Laser Material Deposition (EHLA)
In: 19th Drive Train Technology Conference (ATK 2021) 9th-11th March 2021, Aachen, Germany, 17, 2021
[DOI: 10.1088/1757-899X/1097/1/012016]

Koss, Stephan (Corresponding author)
Holzer, Achill (Corresponding author)
Megahed, Sandra
Ziegler, Stephan
Schleifenbaum, Johannes Henrich
et al.

[Journal Article]
Influence of normal force in metallic sealing
In: Engineering reports, 1-17, 2021
[DOI: 10.1002/eng2.12399]

Fischer, Felix Justin (Corresponding author)
Murrenhoff, Hubertus
Schmitz, Katharina

[Journal Article]
Geometry of Ball Seat Valves
In: International journal of fluid power, 22 (2), 173-198, 2021
[DOI: 10.13052/IJFP1439-9776.2222]

Fischer, Felix Justin (Corresponding author)
Bauer, Niklas
Murrenhoff, Hubertus
Schmitz, Katharina

[Contribution to a book, Contribution to a conference proceedings]
About the Change of Flow Factors during the Run-in Process of Lubricated Contacts
In: [10 International Conference on Tribologyt Balkantrib 2020, Balkantrib 2020, 2021-05-20 - 2021-05-22, Belgrad, Serbia], 98-100, 2021

Holzer, Achill (Corresponding author)
Schmitz, Katharina

[Journal Article]
Strategies for Implementing the Jakobsson-Floberg-Olsson Cavitation Model in EHL Simulations of Translational Seals
In: International journal of fluid power, 22 (2), 199-232, 2021
[DOI: 10.13052/ijfp1439-9776.2223]

Bauer, Niklas (Corresponding author)
Rambaks, Andris
Müller, Corinna
Murrenhoff, Hubertus
Schmitz, Katharina

[Journal Article]
Numerical and Experimental Study on Combined Seals With the Consideration of Stretching Effects
In: Journal of tribology, 143 (6), 062301, 2020
[DOI: 10.1115/1.4048496]

Peng, Chao
Ouyang, Xiaoping (Corresponding author)
Schmitz, Katharina
Guo, Shengrong
Yang, Huayong

[Book, Dissertation / PhD Thesis]
Experimental and simulative investigation of the cylinder block/valve plate contact in axial piston machines
In: Reihe Fluidtechnik. D 108, 2021
[DOI: 10.18154/RWTH-2021-03796]

Wegner, Stephan

[Journal Article]
Prozesskomposition in verteilten Automatisierungssystemen : Orchestrierung und Choreografie von Inbetriebnahme-Prozessen in verteilten Automatisierungssystemen mittels proaktiver Verwaltungsschalen und B2MML
In: Automatisierungstechnik : AT, 69 (3), 242-255, 2021
[DOI: 10.1515/auto-2020-0118]

Schweizer, Hartmut (Corresponding author)
Braunisch, Nico
Alt, Raphael Maria
Schmitz, Katharina
Wollschlaeger, Martin

[Book, Dissertation / PhD Thesis]
Methoden und Analyse der technischen und psychoakustischen Schallemission pneumatischer Komponenten
In: Reihe Fluidtechnik. D 107, 2021

Waerder, Maximilian

[Book, Dissertation / PhD Thesis]
Reduktion von Bremskraftschwingungen mithilfe reibkraftgeregelter Bremsen
In: Reihe Fluidtechnik. D 106, 2021
[DOI: 10.18154/RWTH-2021-02466]

Hirtz, Matthias

[Book, Dissertation / PhD Thesis]
Thermoelastohydrodynamische Betrachtung des Kolben-Buchse-Kontakts in Hochdruckpump
In: Reihe Fluidtechnik 105, 2021

Fischer, Felix Lukas

[Journal Article]
Application of Weibull theory to laser surface textured Al2O3
In: Journal of the European Ceramic Society, 41 (2), 1415-1426, 2020
[DOI: 10.1016/j.jeurceramsoc.2020.10.003]

Liu, Chao (Corresponding author)
Aengenheister, Stefan
Herzog, Simone
Deng, Yuanbin
Kaletsch, Anke
et al.

[Contribution to a book, Contribution to a conference proceedings]
Implementation of Bubble Dynamic Effects by Coupling the Gilmore Equation With Fluid Dynamic Equations Using the Method of Characteristics
In: Proceedings of the ASME/BATH Symposium on Fluid Power and Motion Control - 2020 : presented at ASME/BATH 2020 Symposium on Fluid Power and Motion Control, September 9-11, 2020, online / sponsored by Fluid Power Systems and Technology Division, ASME, FPMC2020-2745, V001T01A020; 11 Seiten, 2020
[DOI: 10.1115/FPMC2020-2745]

Guse, Fabian (Corresponding author)
Pasquini, Enrico
Schmitz, Katharina

[Contribution to a conference proceedings]
Influence Analysis of the Viscosity of Hydraulic Fluids on the Energy Consumption of Machine Tools
In: [International Colloquium Tribology, ICT 2020, 2020-01-28 - 2020-01-30, Ostfildern, Germany], 143-144, 2020

Makansi, Faried
Sossenheimer, Johannes
Petruschke, Lars
Wincierz, Christoph
Alibert, Michael
et al.

[Journal Article]
Investigation of Accumulator Parameters for a Novel Hybrid Architecture
In: Journal of robotics and mechatronics, 32 (5), 876-884, 2020
[DOI: 10.20965/jrm.2020.p0876]

Hijikata, Seiji
Ito, Kazuhisa
Murrenhoff, Hubertus (Corresponding author)

[Contribution to a conference proceedings]
Design of electromechanical actuators for large sized valves
In: [1st International Electronic Conference on Actuator Technology: Materials, Devices and Applications], 2020

Vonderbank, Tobias
Schmitz, Katharina

[Contribution to a conference proceedings]
Psychoakustische Beurteilung drehzahlvariabler hydraulischer Antriebe
In: [8. Fachtagung Baumaschinentechnik 2020], 2020

Pietrzyk, Tobias
Georgi, Markus
Schlittmeier, Sabine Janina
Schmitz, Katharina

[Patent]
Fluidgetriebener Antrieb, 2020

Reinertz, Olivier

[Patent]
Hydraulische Verdrängerpumpe, 2020

Gärtner, Markus
Reinertz, Olivier
Hofmeister, Marius

[Journal Article]
IFAS-Fluidtechnik-Umfrage : Ergebnisse
In: O+P-Journal : anwendungsnahe Forschung für Fluidtechnik, 2020 (9), 12-15, 2020

Haas, Christian
Bauer, Niklas
Matthiesen, Gunnar
Rückert, Marcel
Schmitz, Katharina

[Contribution to a book, Contribution to a conference proceedings]
New Design Concepts for the Tribological Contact of Cylinder Block and Valve Plate
In: Proceedings of the ASME/BATH Symposium on Fluid Power and Motion Control - 2020 : presented at ASME/BATH 2020 Symposium on Fluid Power and Motion Control, September 9-11, 2020, online / sponsored by Fluid Power Systems and Technology Division, ASME, 2020
[DOI: 10.1115/FPMC2020-2725]

Geffroy, Stefan
Wegner, Stephan
Gels, Stefan
Murrenhoff, Hubertus
Schmitz, Katharina

[Contribution to a conference proceedings]
Implementation of the Jakobsson-Floberg-Olsson Cavitation Model in an EHL Simulation of Translational Hydraulic Seals
In: [2020 IEEE Global Fluid Power Society PhD Symposium], 2020

Bauer, Niklas
Rambaks, Andris
Murrenhoff, Hubertus
Schmitz, Katharina

[Contribution to a conference proceedings]
Finite Element Analysis of the Hard-Hard Contact in Seat Valves
In: [Global Fluid Power Society PhD Symposium], 2020

Fischer, Felix Justin
Bauer, Niklas
Murrenhoff, Hubertus
Schmitz, Katharina

[Contribution to a book, Contribution to a conference proceedings]
A 4/3-Way Flat Slide Valve With a Metallic Main Stage
In: Proceedings of the ASME/BATH Symposium on Fluid Power and Motion Control - 2020 : presented at ASME/BATH 2020 Symposium on Fluid Power and Motion Control, September 9-11, 2020, online / sponsored by Fluid Power Systems and Technology Division, ASME, 2020
[DOI: 10.1115/FPMC2020-2742]

Aengenheister, Stefan
Figge, Felix
Chao, Liu
Broeckmann, Christoph
Schmitz, Katharina

[Book, Dissertation / PhD Thesis]
Erweiterung der Einsatzgrenzen von wasserhydraulischen Kolbenpumpen
In: Reihe Fluidtechnik. A 104, 2020
[DOI: 10.18154/RWTH-2020-12036]

Schoemacker, Florian

[Journal Article]
Fluid Leakage in Metallic Seals
In: Tribology letters, 68 (4), 125, 2020
[DOI: 10.1007/s11249-020-01358-x]

Fischer, Felix Justin (Corresponding author)
Schmitz, Katharina
Tiwari, A.
Persson, B. N. J.

[Contribution to a conference proceedings]
Control concept for a grease lubricated hydrostatic bearing
In: 12th International Fluid Power Conference (12. IFK) : October 12-14, 2020 in Dresden. Volume 1. Symposium : Group A: Materials, Group B: System design & integration, Group C: Novel system solutions, Group D: Additive manufacturing, Group E: Components, Group F: Intelligent control, Group G: Fluids, Group H/K: Pumps, Group I/L: Mobile applications, Group J: Fundamentals, 2020
[DOI: 10.25368/2020.25]

Mass, Igor
Hoppermann, Andreas
Murrenhoff, Hubertus

[Contribution to a conference proceedings]
One dimensional unsteady model of a hydropneumatic piston accumulator based on finite volume method
In: 12th International Fluid Power Conference (12. IFK) : October 12-14, 2020 in Dresden. Volume 1. Symposium : Group A: Materials, Group B: System design & integration, Group C: Novel system solutions, Group D: Additive manufacturing, Group E: Components, Group F: Intelligent control, Group G: Fluids, Group H/K: Pumps, Group I/L: Mobile applications, Group J: Fundamentals, 2020

Kratschun, Filip
Köhne, Jens
Schmitz, Katharina
Kloft, Peter
Baum, Heiko

[Contribution to a book, Contribution to a conference proceedings]
Machine Learning for failure mode detection in mobile machinery
In: 11. Kolloquium Mobilhydraulik : Karlsruhe, 10. September 2020 / herausgegeben von Institutsteil Mobile Arbeitsmaschinen (Mobima), Karlsruher Institut für Technologie (KIT), Prof. Dr.-Ing. Marcus Geimer, Verband Deutscher Maschinen- und Anlagenbau (VDMA), Dipl.-Ing. Peter-Michael Synek, 1-26, 2020

Duensing, Yannick (Corresponding author)
Rodas Rivas, Alejandro
Schmitz, Katharina

[Book, Dissertation / PhD Thesis]
Schlauchmodellierung und Zustandsschätzung bei pneumatischen Antrieben
In: Reihe Fluidtechnik. D 103, 2020

Rager, David