Prof. Dr.-Ing. Katharina Völkel

2025

• Besser, C., Tomastik, C., Lebel, A., Baese, M., Wirkner, J., Strobl, P.,... Stahl, K. (2025). Effects of Additives Adsorbed to Wet Clutch Disks on Their Tribological Performance Found in a Comparative Investigation. Lubricants, 13(8). https://doi.org/10.3390/lubricants13080369
• Pointner-Gabriel, L., Völkel, K., & Stahl, K. (2025). Drag Losses of Wet Brakes and Clutches—A Scoping Review. Lubricants, 13(1). https://doi.org/10.3390/lubricants13010027
• Strobl, P., Völkel, K., Schneider, T., & Stahl, K. (2025). Influence of the steel disk on the NVH behavior of industrial wet disk clutches. Industrial Lubrication and Tribology, 77(1), 27-41. https://doi.org/10.1108/ILT-02-2024-0054
• Völkel, K., & Stahl, K. (2025). Innovation, die bremst: Nasse Fahrzeugbremsen für die E-Mobilität. Konstruktion, 77(7-8), 59-.
• Völkel, K., & Stahl, K. (2025). Innovation that brakes: Wet vehicle brakes for e-mobility. Konstruktion, 77(7-8), 59.

2024

• Pointner-Gabriel, L., Flamm, S., Menzel, M., Völkel, K., & Stahl, K. (2024). Experimental investigation of drag loss and plate separation behavior of wet clutches under external forces. Results in Engineering, 24. https://doi.org/10.1016/j.rineng.2024.102918
• Pointner-Gabriel, L., Flamm, S., Völkel, K., & Stahl, K. (2024). Image-Based Analysis of Plate Separation and Clearance Distribution in Wet Clutches. Applied Sciences, 14(20). https://doi.org/10.3390/app14209270
• Pointner-Gabriel, L., Franzelin, T., Morhard, B., Schweigert, D., Völkel, K., & Stahl, K. (2024). Electric Drive Units: A Set-Up for Investigating Function, Efficiency, and Dynamics. Vehicles, 6(3), 1415-1441. https://doi.org/10.3390/vehicles6030067
• Pointner-Gabriel, L., Menzel, M., Völkel, K., Schneider, T., & Stahl, K. (2024). Experimental investigation of drag loss behavior of dip-lubricated wet clutches for building a data-driven prediction model. Scientific Reports, 14(1). https://doi.org/10.1038/s41598-024-59488-4
• Pointner-Gabriel, L., Steiner, M., Völkel, K., & Stahl, K. (2024). Using Gaussian process regression for building a data-driven drag loss model of wet clutches. Tribology International, 198. https://doi.org/10.1016/j.triboint.2024.109825
• Schneider, T., Völkel, K., Pflaum, H., & Stahl, K. (2024). Investigating Failure Modes and Performance Impacts of Wet Clutches in Automotive Limited Slip Differentials. Lubricants, 12(3). https://doi.org/10.3390/lubricants12030070
• Strobl, P., Meingassner, G.J., Pflaum, H., Völkel, K., Schneider, T., & Stahl, K. (2024). Holistic Measurement of the Friction Behavior of Wet Clutches. Lubricants, 12(7). https://doi.org/10.3390/lubricants12070235
• Wirkner, J., Baese, M., Lebel, A., Besser, C., Pflaum, H., Völkel, K.,... Stahl, K. (2024). Impact of Water Contamination and Iron Particles on the Performance Loss of e-Drive Transmission Fluids in Wet Clutches. Tribologie und Schmierungstechnik, 71(5-6), 23-28. https://doi.org/10.24053/TuS-2024-0035

2023

• Pointner-Gabriel, L., Völkel, K., Pflaum, H., & Stahl, K. (2023). A methodology for data-driven modeling and prediction of the drag losses of wet clutches. Forschung Im Ingenieurwesen-Engineering Research, 87(2), 555-570. https://doi.org/10.1007/s10010-023-00661-y
• Pointner-Gabriel, L., Völkel, K., Pflaum, H., & Stahl, K. (2023). A Methodology for Data-driven Modeling and Prediction of the Drag Losses of Wet Clutches. In VDI Berichte. (pp. 125-154). VDI Verlag GMBH.
• Schneider, T., Völkel, K., & Stahl, K. (2023). Failure Characteristics of Wet-Clutches in Limited Slip Differentials. In Dritev 2023. (pp. 307-324). VDI Verlag GMBH.
• Strobl, P., Schneider, T., Völkel, K., & Stahl, K. (2023). Influence of the steel plate on the friction behavior of automotive wet disk clutches. Forschung Im Ingenieurwesen-Engineering Research, 87(2), 541-554. https://doi.org/10.1007/s10010-023-00669-4
• Strobl, P., Schneider, T., Völkel, K., & Stahl, K. (2023). Influence of the Steel Plate on the Friction Behavior of Automotive Wet Disk Clutches. In Kupplungs- und Bremssysteme für mobile und stationäre Anwendungen. (pp. 21-48). VDI.
• Wirkner, J., Baese, M., Lebel, A., Pflaum, H., Völkel, K., Pointner-Gabriel, L.,... Stahl, K. (2023). Influence of Water Contamination, Iron Particles, and Energy Input on the NVH Behavior of Wet Clutches. Lubricants, 11(11). https://doi.org/10.3390/lubricants11110459

2022

• Groetsch, D., Motzet, R., Völkel, K., Pflaum, H., & Stahl, K. (2022). Analysis of Oil Distribution and Reduction of Axial Force due to Oil Supply in a Multi-Plate Clutch. Tribology in Industry, 44(2), 268-282. https://doi.org/10.24874/ti.1168.08.21.11
• Pointner-Gabriel, L., Forleo, C., Völkel, K., Pflaum, H., & Stahl, K. (2022). Investigation of the Drag Losses of Wet Clutches at Dip Lubrication. In SAE Technical Papers. Virtual, Online: SAE International.
• Schneider, T., Bedrikow, A.B., Dietsch, M., Völkel, K., Pflaum, H., & Stahl, K. (2022). Machine Learning Based Surrogate Models for the Thermal Behavior of Multi-Plate Clutches. Applied System Innovation, 5(5). https://doi.org/10.3390/asi5050097
• Schneider, T., Bedrikow, A.B., Völkel, K., Pflaum, H., & Stahl, K. (2022). Load Capacity Comparison of Different Wet Multi-Plate Clutches with Sinter Friction Lining with Regard to Spontaneous Damage Behavior. Tribology in Industry, 44(3), 394-406. https://doi.org/10.24874/ti.1256.02.22.04
• Schneider, T., Dietsch, M., Völkel, K., Pflaum, H., & Stahl, K. (2022). Analysis of the Thermo‐Mechanical Behavior of a Multi‐Plate Clutch during Transient Operating Conditions Using the FE Method. Lubricants, 10(5). https://doi.org/10.3390/lubricants10050076
• Schneider, T., Zilkens, A., Völkel, K., Pflaum, H., & Stahl, K. (2022). Failure Modes of Spontaneous Damage of Wet-Running Multi-Plate Clutches with Carbon Friction Linings. Tribology Transactions, 65(5), 813-826. https://doi.org/10.1080/10402004.2022.2083741
• Stockinger, U., Pflaum, H., Völkel, K., & Stahl, K. (2022). Thermal behavior of a double cone synchronizer with carbon friction lining – verification and validation of 2D thermo-mechanical simulations by temperature measurements. Proceedings of the Institution of Mechanical Engineers Part D-Journal of Automobile Engineering. https://doi.org/10.1177/09544070221074741
• Strobl, P., Schermer, E., Groetsch, D., Pointner-Gabriel, L., Völkel, K., Pflaum, H., & Stahl, K. (2022). Identification and Validation of Linear Friction Models Using ANOVA and Stepwise Regression. Lubricants, 10(11). https://doi.org/10.3390/lubricants10110286
• Strobl, P., Trapp, M.L., Völkel, K., Pflaum, H., & Stahl, K. (2022). Einfluss der Stillstandszeit auf das Losreißmoment nasslaufender Lamellenkupplungen. Tribologie und Schmierungstechnik, 69(5-6), 43-53. https://doi.org/10.24053/TuS-2022-0044
• Völkel, K., Pflaum, H., & Stahl, K. (2022). Einfluss der Stahllamellentopographie auf das Einlaufverhalten nasslaufender Lamellenkupplungen. Tribologie und Schmierungstechnik, 69(2), 40-49. https://doi.org/10.24053/TuS-2022-0011

2021

• Groetsch, D., Stockinger, U., Schneider, T., Reiner, F., Völkel, K., Pflaum, H., & Stahl, K. (2021). Experimental investigations of spontaneous damage to wet multi-plate clutches with carbon friction linings Experimentelle Untersuchungen zum Spontanschädigungsverhalten nasslaufender Lamellenkupplungen mit Carbon-Reibbelägen. Forschung Im Ingenieurwesen-Engineering Research, 85(4), 1043-1052. https://doi.org/10.1007/s10010-021-00492-9
• Groetsch, D., Völkel, K., Pflaum, H., & Stahl, K. (2021). Real-time temperature calculation and temperature prediction of wet multi-plate clutches Echtzeit-Temperaturberechnung und Temperaturprädiktion nasslaufender Lamellenkupplungen. Forschung Im Ingenieurwesen-Engineering Research, 85(4), 923-932. https://doi.org/10.1007/s10010-021-00529-z
• Schneider, T., Bedrikow, A.B., Völkel, K., Pflaum, H., & Stahl, K. (2021). Comparison of various wet-running multi-plate clutches with paper friction lining with regard to spontaneous damage behavior. Tribology in Industry, 43(1), 40-56. https://doi.org/10.24874/ti.992.10.20.01
• Schneider, T., Völkel, K., Pflaum, H., & Stahl, K. (2021). Influence of Pre-damage on the Friction Behaviour of Wet-running Multi-plate Clutches in an Endurance Test Einfluss von Vorschädigung auf das Reibungsverhalten nasslaufender Lamellenkupplungen im Dauerschaltbetrieb. Forschung Im Ingenieurwesen-Engineering Research, 85(4), 859-870. https://doi.org/10.1007/s10010-021-00540-4
• Stockinger, U., Acuner, R., Völkel, K., Pflaum, H., & Stahl, K. (2021). Friction screening test method for wet multi-plate clutches. International Journal of Powertrains, 10(4), 336-357. https://doi.org/10.1504/IJPT.2021.120945
• Stockinger, U., Groetsch, D., Reiner, F., Völkel, K., Pflaum, H., & Stahl, K. (2021). Friction behavior of innovative carbon friction linings for wet multi-plate clutches Reibungsverhalten innovativer Carbon-Reibbeläge in nasslaufenden Lamellenkupplungen. Forschung Im Ingenieurwesen-Engineering Research, 85(1), 115-127. https://doi.org/10.1007/s10010-020-00436-9
• Völkel, K., Meingaßner, G.J., Pflaum, H., & Stahl, K. (2021). Friction behavior of wet multi-plate disk clutches at the transition from static to dynamic friction Reibungsverhalten nasslaufender Lamellenkupplungen am Übergang Haftreibung – Gleitreibung. Forschung Im Ingenieurwesen-Engineering Research, 85(1), 129-138. https://doi.org/10.1007/s10010-021-00437-2
• Völkel, K., Pflaum, H., & Stahl, K. (2021). Running-in behavior of wet multi-plate clutches in slip operation mode Einlaufverhalten nasslaufender Lamellenkupplungen im Schlupfbetrieb. Forschung Im Ingenieurwesen-Engineering Research, 85(4), 905-912. https://doi.org/10.1007/s10010-021-00530-6

2020

• Groetsch, D., Niedenthal, R., Völkel, K., Pflaum, H., & Stahl, K. (2020). Volume of Fluid vs. Cavitation CFD-Models to Calculate Drag Torque in Multi-Plate Clutches. SAE Technical Papers, 2020-April(April). https://doi.org/10.4271/2020-01-0495
• Schneider, T., Völkel, K., Pflaum, H., & Stahl, K. (2020). Friction behavior of pre-damaged wet-running multi-plate clutches in an endurance test. Lubricants, 8(7). https://doi.org/10.3390/LUBRICANTS8070068
• Völkel, K., Pflaum, H., & Stahl, K. (2020). Running-In Behavior of Wet Multi-plate Clutches: Introduction of a New Test Method for Investigation and Characterization. Chinese Journal of Mechanical Engineering, 33(1). https://doi.org/10.1186/s10033-020-00450-6