Patrick Wollny
Lehrstuhl für Fluiddynamik M.Sc. Patrick Wollny
Contact Details
Carl-Benz Straße 199
47057 Duisburg
Room: NETZ 1.12
Phone: +49-(0)203-379 8106
E-Mail: patrick.wollny [at] uni-due.de
Research Interests
- Nanoparticle synthesis in hot wall and flame reactors
- Turbulent and laminar reacting flows
- Development and application of:
- CFD synthesis/nucleation models
- Multiscale methodologies
- Probability weighted Monte-Carlo methods
Projects
The NanoDome project
The objective of the NanoDome project is to develop a robust model-based design and engineering toolkit for the detailed prediction of complex nanomaterial structures produced in a commercially-relevant generic bottom-up Gas-Phase (GP) synthesis process, to improve the control of the nanomaterial production and the industrially-scalable GP synthesis process for more accurate final product properties (e.g. particle size, surface area, structure, chemical composition, morphology and functionalization coatings) and provide potential end-users with a validated tool based on scientific principles that enables predictive design of novel nanomaterials and novel GP production routes thereby shortening their development process. This will be pursued by combining computational modelling, software development and systematic validation activities at lab- and industrial-scale in a three-year project.
Further information:
Primary particle sizes in recirculating hot wall reactor (Video).
Nanoparticle dynamics simulation applying a constrained Langevin approximation and rigid agglomerates (Video).
Evolution of primary particle size distribution (PSD) within a 0D reactor model at steady temperature applying a Monte-Carlo method coupled with chemical kinetics (Video).
Publications and Talks
(link to Google-Researcher-Profile)
- P. Wollny, B. Rogg, A. M. Kempf, Modeling Heat Loss Effects in Oxy Fuel Flames with a Multidimensional Non-Premixed Flamelet Approach, poster presentation at the 7th European Combustion Meeting, Budapest Hungary (2015).
- P. Wollny, I. Wlokas, A. M. Kempf, Modellierung einer nicht-vorgemischten Sauerstoff-Methan-Flamme im semi-industriellen Maßstab, oral presentation at Deutscher Flammentag, Clausthal-Zellerfeld (2015)
- P. Wollny, I. Wlokas, A. M. Kempf, Development of a modeling framework for the gas-phase synthesis of nanomaterials, poster presentation at the Materials Chain Conference, Bochum Germany (2016)
- P. Wollny, J. Sellmann, H. Orter, H. Wiggers, I. Wlokas, A. M. Kempf, Detailed simulations of transport and nanoparticle formation in a hot-wall reactor, oral presentation at the 2016 MRS Fall Meeting & Exhibit, Boston USA, 2016
- P. Wollny, F. Strappaveccia, A. M. Kempf, E. Ghedini, I. Wlokas, Multiscale Simulation of Gas-Phase Nanoparticle Formation and Dynamics in a Hot Wall Reactor applying the NanoDome Platform, submitted to the European Aerosol Conference, Zürich Swiss (2017)
- P. Wollny, B. Rogg, A. M. Kempf, Modelling Heat Loss Effects in High Temperature Oxy-Fuel Flames with an Efficient and Robust Non-Premixed Flamelet Approach, Fuel (2017).
- P. Wollny, F. Strappaveccia, E. Ghedini, H. Wiggers, A. Kempf, I. Wlokas, Nanoparticle Gas-Phase Synthesis in a Hot Wall Reactor applying the NanoDome Framework in a Multiscale Simulation, ProcessNet, Würzburg Germany (2018)
- P. Wollny, F. Strappaveccia, E. Ghedini, H. Wiggers, A. Kempf, I. Wlokas, The NanoDome Platform applied as Top-On Model for Multiscale Simulations of Nanoparticle Synthesis, oral presentation at Aerosol Technology, Bilbao Spain (2018)
- P. Wollny, F. Strappaveccia, E. Ghedini, H. Wiggers, A. Kempf, I. Wlokas, Multiscale Simulation of Si-Nanoparticle Synthesis using the NanoDome Framework, poster presentation at the 37th International Symposium on Combustion, Dublin Ireland (2018)
Publications during the work at the CFDLab-Benim, FH-Düsseldorf
- A. C. Benim, K. Kuppa, P. Wollny, B. Pfeiffelmann, A. Al-Halbouni and A. Giese, "A Validation Study for Modelling Supersonic Combustion" , Proceedings of the "7th International Conference on Computational Heat and Mass Transfer (ICCHMT 2011), July 18-22, 2011, Istanbul, Turkey", (2011) Paper No. 127.
- A. C. Benim, K. Kuppa, P. Wollny, B. Pfeiffelmann, A. Al-Halbouni and A. Giese, "CFD Analysis of Supersonic Combustion", Proceedings of the "1st International Conference on Naval Arcvhitecture and Maritime INT-NAM 2011, 24-25 October, 2011, Yildiz Technical University, Istanbul, Turkey" (2011) Paper No. V-13, pp. 393-404.
- A. C. Benim, K. Kuppa. P. Wollny, B. Pfeiffelmann, A. Al-Halbouni, H. Rahms and A. Giese, "Numerical Studies on Modelling Supersonic Combustion", Proceedings of the "Sixth International Conference on Thermal Engineering: Theory and Applications, May 29 - June 1 2012" (2012) Paper No. 40.
- S. McLean, A. Giese, A. Al-Halbouni, H. Rahms, A. C. Benim, K. Kuppa, B. Pfefifelmann and P. Wollny, "Entwicklung eines effizienten, schadstoff- und pulsationsarmen überschall-Sauerstoff-.l/Gasbrenners für energieintensive Anwendungen", 26.Deutscher Flammentag, 11-12 Sep. 2013, Duisburg.
- A. C. Benim, B. Pfeiffelmann, P. Wollny, A. Giese, A. Al-Halbouni, H. Rahms, "A Validation of Turbulent Combustion Models for Oxy-Natural Gas Diffusion Flames", Eighth Mediterranean Combustion Symposium, 8-13 September, 2013, Cesme, Izmir, Turkey.
Teaching
Exercises and support: Fluid Mechanics I & II, Numerics and Flow Simulation