Prof. Dr.-Ing. Alexander Gelner

+49 841 9348-2403

Alexander.Gelner@thi.de

Room: A225

Subject Area: Innovative Drive Systems and Commercial Vehicle Technology

Vita

2024 - 2027: Technical Lead at AVL Deutschland GmbH as part of the PTTTHI
Since 2023: Junior professor at the THI
2022 - 2023: International MBA at the Collège des Ingénieurs with a practical project at the Innovation Campus Frankfurt of Air Liquide.
2022: Research stay at Yale University, scholarship from the Hanns Seidel Foundation
2018 - 2022: Doctorate (Dr.-Ing.) at the TU Munich in the context of employment as a research assistant
2019 - 2020: Practical project as part of the doctorate at MAN Truck & Bus SE
2013 - 2018: Studies in mechanical engineering and vehicle and engine technology at the TU Munich

Publications

2025

ZEPF, Andreas, Alexander GELNER, Martin HÄRTL und Malte JAENSCH, 2025. 3D-CFD-Based optimization of piston Geometry, injector nozzle Design, and injection strategy for the alternative diesel fuel Oxymethylene ether (OME). Fuel, 406, 136995. ISSN 1873-7153. Available at: https://doi.org/10.1016/j.fuel.2025.136995

2024

ARMBRUSTER, Felina, Alexander GELNER, Andreas ZEPF, Maximilian PRAGER, Martin HÄRTL und Malte JAENSCH, 2024. Investigations on particle emissions of large-bore engines powered by natural gas and hydrogen. Environmental Science: Advances, 3(11), 1524-1536. ISSN 2754-7000. Available at: https://doi.org/10.1039/D4VA00200H

2023

GELNER, Alexander, Michael B. M. EITEL, Maria MIKHAIL, Lorenz Frank OLBRICH, Alessia PIERRI, Alessia BORGATO und Tobias LANDGRAF, 2023. An exploration on the effectiveness of face-to-face and virtual meetings in educational projects dealing with impact innovation. CERN IdeaSquare Journal of Experimental Innovation, 7(1), 12-17. ISSN 2413-9505. Available at: https://doi.org/10.23726/cij.2023.1415

2022

GELNER, Alexander, Genny A. PANG, Markus WEBER, Christoph HAISCH, Harald A. BECK, Christian PASTOETTER, Martin HÄRTL, Malte JAENSCH und Georg WACHTMEISTER, 2022. Gaseous emissions of a heavy-duty engine fueled with polyoxymethylene dimethyl ethers (OME) in transient cold-start operation and methods for after-treatment system heating. Environmental Science: Advances, 1(4), 470-482. ISSN 2754-7000. Available at: https://doi.org/10.1039/D2VA00080F

GELNER, Alexander, Dieter ROTHE, Carsten KYKAL, Martin IRWIN, Alessandro SOMMER, Christian PASTOETTER, Martin HÄRTL, Malte JAENSCH und Georg WACHTMEISTER, 2022. Particle emissions of a heavy-duty engine fueled with polyoxymethylene dimethyl ethers (OME). Environmental Science: Atmospheres, 2(2), 291-304. ISSN 2634-3606. Available at: https://doi.org/10.1039/D1EA00084E

2021

GELNER, Alexander, Rudolf HÖSS, Andreas ZEPF, Martin HÄRTL und Georg WACHTMEISTER, 2021. Engine Operation Strategies for the Alternative Diesel Fuel Oxymethylene Ether (OME): Evaluation Based on Injection Rate Analyzer and 0D-/1D-Simulation. SAE Technical Paper, 2021-01-1190. ISSN 0148-7191. Available at: https://doi.org/10.4271/2021-01-1190

GELNER, Alexander, Harald A. BECK, Christian PASTOETTER, Martin HÄRTL und Georg WACHTMEISTER, 2021. Ultra-low emissions of a heavy-duty engine powered with oxymethylene ethers (OME) under stationary and transient driving conditions. International Journal of Engine Research, 23(5), 738-753. ISSN 1468-0874. Available at: https://doi.org/10.1177/14680874211047922

2020

GELNER, Alexander, Christian PASTOETTER, Harald A. BECK, Martin HÄRTL und Georg WACHTMEISTER, 2020. Fuel Dosing on a Diesel Oxidation Catalyst for After-Treatment System Heating on a Heavy-Duty Engine Powered by Polyoxymethylene Dimethyl Ethers. SAE Technical Paper, 2020-01-2157. ISSN 0148-7191. Available at: https://doi.org/10.4271/2020-01-2157

FRANKL, Stephanie G., Alexander GELNER, Stephan GLEIS, Martin HÄRTL und Georg WACHTMEISTER, 2020. Numerical Study on Renewable and Sustainable Fuels for HPDF Engines. Conference Proceedings: ASME 2020 Power Conference. New York: ASME. ISBN 978-0-7918-8374-7. Available at: https://doi.org/10.1115/POWER2020-16438