Picture of Friedrich Ulrich

M.Sc. Friedrich Ulrich

Title of the masterthesis:
Including high-temperature gas effects in a CO-ARRAY FORTRAN code for hypersonic reacting flows under the consideration of performance enhancement

Scientific Supervisor: PD Dr.-Ing. habil. Christian Stemmer

 

2024

Journal Articles

  • Ulrich, Friedrich; Sedlmeyr, Thomas; Stemmer, Christian: Methods for neural network based prediction of roughness-induced crossflow-like vorticity in re-entry scenarios. International Journal of Heat and Fluid Flow 107, 2024, 109375 more… BibTeX Full text ( DOI )

2023

Books / Contributions to Collections

  • Hartmann, Ulrich; Ruhland, Johannes; Breitsamter, Christian: Wind Tunnel Analysis of Helicopter Aerodynamics with Varying Rotor Head Blade Stub Lengths. In: Notes on Numerical Fluid Mechanics and Multidisciplinary Design. Springer Nature Switzerland, 2023 more… BibTeX Full text ( DOI )

Journal Articles

  • Ulrich, Friedrich; Stemmer, Christian: Unsteady evolution of distributed roughness-induced vortices under re-entry conditions. CEAS Space Journal 15, 2023, 971–988 more… BibTeX Full text ( DOI )

Conference Papers

  • Hartmann, Ulrich; Breitsamter, Christian: Helicopter Rotor Wake Investigations on a Wind Tunnel Model with Varying Blade Stub Lengths. FORUM 2023 - Vertical Flight Society 79th Annual Forum and Technology Display, Vertical Flight Society, 2023 more… BibTeX

2022

Journal Articles

  • Ulrich, Friedrich; Stemmer, Christian: Investigation of vortical structures in the wake of pseudo-random roughness surfaces in hypersonic reacting boundary-layer flows. International Journal of Heat and Fluid Flow 95, 2022, 108945 more… BibTeX Full text ( DOI )

Conference Papers

  • F. Ulrich, C. Stemmer: Disturbance Evolution in Roughness-induced Vortices under Re-entry Conditions. HiSST conference 2022, Bruges, Belgium, 2022 more… BibTeX
  • F. Ulrich, C. Stemmer: A DNS Database for Neural Network Based Prediction of Roughness-Induced Cross-Flow Like Vorticity. 23rd Australasian Fluid Mechanics Conference, 2022 more… BibTeX
  • Friedrich Ulrich, Christian Stemmer: Machine-learn-driven prediction of streamwise vorticity induced by a random distributed roughness path in hypersonic flow. 2nd International Conference on Flight Vehicles, Aerothermodynamics and Re-entry Missions & Engineering (FAR), 2022 more… BibTeX Full text (mediaTUM)

2020

Conference Papers

  • Ulrich, Friedrich; Stemmer, Christian: Investigation of vortical structures in the wake of pseudo-random roughness surfaces in hypersonic reacting boundary-layer flows. Proceedings of the 22nd Australasian Fluid Mechanics Conference AFMC2020, The University of Queensland, 2020 more… BibTeX Full text ( DOI )

2019

Conference Papers

  • F. Ulrich, C. Stemmer: Comparison of Chemical Modeling for High-Temperature Gas Effects With Direct Numerical Simulations of Roughness-Induced Transition In A Re-Entry Scenario of A Hemispherical Capsule. ESA International Confe- rence on Flight Vehicles, Aerothermodynamics and Re-rentry Missions and Engi- neering, 2019Monopoli, Italy more… BibTeX