Dr.-Ing. Benjamin Torner

wissenschaftlicher Mitarbeiter

Veröffentlichungen und Konferenzbeiträge

Veröffentlichungen und Konferenzbeiträge

2020

  • Wisniewski, A.; Medart, D.; Wurm, F.H., Torner, B.: Evaluation of Clinically Relevant Operating Conditions for Left Ventricular Assist Device Investigations. International Journal of Artificial Organs 2020. (in press)

2019

  • Torner, B.; Wurm F.-H.: Large-Eddy Simulation in a Rotary Blood Pump: Turbulence, Shear Stresses and Blood Damage Prediction. ISimT 2019, Schloß Hohenkammer, Germany, 2019.
  • Torner, B.; Konnigk, L.; Wurm, F.H.: Influence of Turbulent Shear Stresses on the Numerical Blood Damage Prediction in a Ventricular Assist Device. International Journal of Artificial Organs 42(12). 2019. https://doi.org/10.1177/0391398819861395.
  • Konnigk, L.; Torner, B.; Hallier, S.; Witte, M.; Wurm, F.H.: Grid-Induced Numerical Errors for Shear Stresses and Essential Flow Variables in a Ventricular Assist Device: Crucial for Blood Damage Prediction? 46th ESAO Congress, Hannover, Germany, 2-7 September 2019.
  • Konnigk, L.; Torner, B.; Hallier, S.; Witte, M.; Wurm, F.H.: Grid-Induced Numerical Errors for Shear Stresses and Essential Flow Variables in a Ventricular Assist Device: Crucial for Blood Damage Prediction? Journal of Verification, Validation and Uncertainty Quantification 3(4). 2019. doi.org/10.1115/1.4042989.
  • Witte, M; Kranz, O.; Torner, B.; Wurm, F.H.: Investigation of the Wall Pressure Fluctuations, the Operational Deflection Shapes and the Airborne Noise Radiation of a Single Stage Radial Pump. 13th European Conference on Turbomachinery, 2019, 08 - 12 April 2019, Lausanne, Switzerland.
  • Torner, B.; Konnigk, L.; Wurm F.-H.: Analysis of flow losses and their contribution to the total flow loss in an axial flow pump using the large eddy simulation method. 13th European Conference on Turbomachinery, 2019, 08 - 12 April 2019, Lausanne, Switzerland.

2018

  • Konnigk, L.; Torner, B.; Wurm F.-H.: Application of Verification Methods on a Complex Flow Field Calculated by Large-Eddy Simulation: Blood Pump Flow. 6th European Conference on Computational Mechanics (ECCM 6) 7th European Conference on Computational Fluid Dynamics (ECFD 7) 11 - 15 June 2018, Glasgow, UK.
  • Konnigk, L.; Torner, B.; Wurm, F.-H.: Influence of the Remaining Heart Activity on the Flow Within a Ventricular Assist Device: a Computational Study. 45th ESAO Congress, Madrid, Spain, 12 – 15 September 2018.
  • Torner, B.; Konnigk, L.; Hallier, S.; Kumar, J.; Witte, M.; Wurm, F.-H.: LES in a Rotary Blood Pump: Viscous Shear Stress Computation and Comparison with URANS. 45th ESAO Congress, Madrid, Spain, 12 – 15 September 2018.
  • Torner, B.; Konnigk, L.; Hallier, S.; Kumar, J.; Witte, M.; Wurm, F.-H. LES in a Rotary Blood Pump: Viscous Shear Stress Computation and Comparison with URANS. International Journal of Artificial Organs (2018): doi.org/10.1177/0391398818777697.
  • Torner, B.; Wurm F.-H.: Analyse des Strömungsfeldes in einer Herzpumpe mittels Large-Eddy Simulation. Kolloquium Fluidenergiemaschinen 2018, Wien, 2018.
  • Witte, M.; Torner, B.; Wurm, F.-H.: Analysis of Unsteady Flow Structures in an Radial Turbomachine by using Proper Orthogonal Decomposition. ASME Turbine Technical Conference and Exposition 2018, Oslo, Norway, 2018.

2017

  • Konnigk, L.; Torner, B.; Hallier, S.; Wisniewski, A.; Medart, D.; Wurm, F.: Comparison of URANS and a VLES regarding their Potential to Predict Hemolysis with Stress-Based Hemolysis Models. 44th ESAO and 7th IFAO Congress, Vienna, Austria. 2017.
  • Torner, B.; Hallier, S.; Witte, M.; Wurm, F.-H.: Large-Eddy and Unsteady Reynolds-Averaged Navier-Stokes Simulations of an Axial Flow Pump for Cardiac Support. ASME Turbine Technical Conference and Exposition 2017, Charlotte, USA, 2017.
  • Torner, B.; Hallier, S.; Konnigk, L.; Wurm, F.-H.: Comparison of Large- Eddy and Reynolds-Averaged Navier-Stokes Simulations Regarding their Potential to Predict Hemolysis in Blood Pumps. ASAIO 63rd Annual Conference 2017, Chicago, USA, 2017.

2016

  • Torner, B.; Wurm F.-H.: Large-Eddy Simulation in einer miniaturisierten axialen Strömungspumpe. ERCOFTAC Technologietag, 07.12.2016, Stuttgart, 2016.
  • Hallier, S.; Torner, B., Wisniewski, A., Müller, J., Nüsser, P.; Wurm F.-H.: Miniaturization and Optimization of a Ventricular Assist Device . 43th ESAO and 6th IFAO Congress, Warsaw, Polen, 2016.
  • Hallier, S.; Torner, B., Wurm F.-H.: Miniaturization of a implantable pump for heart support. ISROMAC 2016, Honululu, USA, 2016.

 

Auszüge aus der Forschung

Wirbelstrukturen in einer Herzunterstützungspumpe (visualisiert mit dem Q-Kriterium)
Instationäres Geschwindigkeits- und Scherspannungsfeld im Rotor einer axialen Herzunterstützungspumpe