chader@arizona.edu

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Christoph Hader

Assistant Research Professor of Aerospace and Mechanical Engineering

Degrees

Ph.D. Aerospace Engineering (Minor: Applied Mathematics)
- University of Arizona, Tucson, Arizona, United States
- DIRECT NUMERICAL SIMULATIONS OF HYPERSONIC BOUNDARY-LAYER TRANSITION FOR A FLARED CONE

Work Experience

University of Arizona, Tucson, Arizona (2021 - Ongoing)
University of Arizona, Tucson, Arizona (2019 - 2021)
University of Arizona (2015 - 2019)
Universities Space Research Association, Education Associates Program (EAP), NASA Advanced Supercomputing Division, NASA Ames Research Center (2014 - 2015)
University of Arizona, Tucson, Arizona (2009 - 2014)
Universität Stuttgart (2008 - 2009)
Deutsches Zentrum für Luft- und Raumfahrt (German Aerospace Center) (2007 - 2008)

Interests

Teaching

Laminar-turbulent boundary-layer transition (transonic, supersonic, hypersonic)High Performance ComputingNumerical MethodsHypersonic flowSupersonic flowDirect Numerical Simulations

Research

Laminar-turbulent boundary-layer transition (transonic, supersonic, hypersonic)High Performance ComputingNumerical MethodsHypersonic flowSupersonic flowFlow control for low and high-speed flowsTransition modelling for Reynolds Averaged Navier-Stokes (RANS) codesDirect Numerical SimulationsNonlinear physical mechanisms relevant for laminar-turbulent boundary-layer transition

Selected Publications

Chapters

Hader, C., & Fasel, H. F. (2022). Direct Numerical Simulations (DNS) of Natural Transition in High-Speed Boundary Layers Using a Broadband Random Forcing Approach. In IUTAM Laminar-Turbulent Transition(pp 565--574). Springer.

Journals/Publications

Hartman, A. B., Hader, C., & Fasel, H. F. (2021). Nonlinear transition mechanism on a blunt cone at Mach 6: oblique breakdown. Journal of Fluid Mechanics, 915, R2.
Meersman, J. A., Hader, C., & Fasel, H. F. (2021). Numerical Investigation of Nonlinear Boundary-Layer Transition for Cones at Mach 6. AIAA Journal, 59(6), 1940--1952.
Hader, C., & Fasel, H. F. (2020). Three-dimensional wave packet in a Mach 6 boundary layer on a flared cone. Journal of Fluid Mechanics, 885.
Chynoweth, B. C., Schneider, S. P., Hader, C., Fasel, H., Batista, A., Kuehl, J., Juliano, T. J., & Wheaton, B. M. (2019). History and progress of boundary-layer transition on a Mach-6 flared cone. Journal of Spacecraft and Rockets, 56(2), 333--346.
Hader, C., & Fasel, H. F. (2019). Direct Numerical Simulations of Hypersonic Boundary-Layer Transition for a Flared Cone: Fundamental Breakdown. Journal of Fluid Mechanics, 869.
Hader, C., & Fasel, H. F. (2019). Direct numerical simulations of hypersonic boundary-layer transition for a flared cone: fundamental breakdown. Journal of Fluid Mechanics, 869, 341--384.
Hader, C., & Fasel, H. F. (2018). Towards simulating natural transition in hypersonic boundary layers via random inflow disturbances. Journal of Fluid Mechanics, 847, R3.
Hader, C., & Fasel, H. F. (2018). Towards simulating natural transition in hypersonic boundary layers via random inflow disturbances. Journal of Fluid Mechanics, 847.
Brehm, C., Hader, C., & Fasel, H. F. (2015). A locally stabilized immersed boundary method for the compressible Navier--Stokes equations. Journal of Computational Physics, 295, 475--504.

Proceedings Publications

Barraza, B., Gross, A., Haas, A. P., Hader, C., & Fasel, H. F. (2023). Machine-Learning-Based Transition Prediction for Hypersonic Boundary Layers with Crossflow. In AIAA SCITECH 2023 Forum.
Flood, J. J., Hader, C., Skora, A., Fasel, H. F., & Craig, S. A. (2023). Experimental measurements and numerical investigations of boundary-layer instabilities on a Mach 5 hollow cylinder. In AIAA SCITECH 2023 Forum.
Hader, C., & Fasel, H. F. (2023). Numerical investigation of the laminar-turbulent boundary-layer transition for a circular cone at Mach 5: wind tunnel and flight conditions. In AIAA SCITECH 2023 Forum.
Singh, A., Hader, C., Threadgill, J. A., Fasel, H. F., & Little, J. C. (2023). Schlieren Visualization of Controlled Disturbances in Mach 5 Flow Over a Hollow Cylinder Flare. In AIAA SCITECH 2023 Forum.
Woodward, M., Tian, Y., Mohan, A. T., Lin, Y. T., Hader, C., Livescu, D., Fasel, H. F., & Chertkov, M. (2023). Data-Driven Mori-Zwanzig: Approaching a Reduced Order Model for Hypersonic Boundary Layer Transition. In AIAA SCITECH 2023 Forum.
Bailey, M., Hader, C., & Fasel, H. F. (2022). Numerical Investigation of the Nonlinear Transition Stages in a High-Enthalpy Hypersonic Boundary Layer on a Right Cone. In IUTAM Laminar-Turbulent Transition: 9th IUTAM Symposium, London, UK, September 2--6, 2019.
Barraza, B., Gross, A., Haas, A. P., Hader, C., & Fasel, H. (2022). Machine-Learning-Based Amplification Factor Transport Equation for Hypersonic Boundary-Layers. In AIAA AVIATION 2022 Forum.
Biella, M., Hader, C., & Fasel, H. F. (2022). Numerical investigation of the laminar-turbulent transition process for the HIFiRE-1 Flight Test. In AIAA SCITECH 2022 Forum.
Haas, A. P., Hader, C., & Fasel, H. F. (2022). Numerical Investigation of Cross-Flow Instability for a Supersonic Swept Wing with a Biconvex Airfoil. In AIAA SCITECH 2022 Forum.
Hader, C., & Fasel, H. F. (2022). Direct Numerical Simulations (DNS) of Natural Transition in High-Speed Boundary Layers Using a Broadband Random Forcing Approach. In IUTAM Laminar-Turbulent Transition: 9th IUTAM Symposium, London, UK, September 2--6, 2019.
Hader, C., & Fasel, H. F. (2022). Flow control using steady blowing and suction strips in a Mach 6 Boundary Layer on a Flared Cone: "Natural" Transition. In AIAA AVIATION 2022 Forum.
Hader, C., & Fasel, H. F. (2022). Numerical Investigation of Boundary-Layer Transition for a slender cone at Mach 6 initiated with Random Disturbances. In AIAA SCITECH 2022 Forum.
Hader, C., Subramanya, S. M., & Fasel, H. F. (2022). Direct Numerical Simulations of Laminar-Turbulent Transition for Transonic Boundary Layers initiated by Random Disturbances. In AIAA SCITECH 2022 Forum.
Herman, B., Hader, C., & Fasel, H. F. (2022). Numerical investigation of the effects of wall heating and cooling on the nonlinear transition stages for a sharp cone at Mach 6. In AIAA Scitech 2022 Forum.
Hurworth, A., Hader, C., & Fasel, H. F. (2022). Direct Numerical Simulations of Hypersonic Boundary-Layer Transition for a Sharp Cone at Mach 10. In AIAA SCITECH 2022 Forum.

Others

Fasel, H. F., & Hader, C. (2021, December). Flow control techniques for delaying or accelerating laminar-turbulent boundary-layer transition for high-speed flight vehicles.
Hader, C. (2019, May). Direct Numerical Simulations of Hypersonic Boundary-Layer Transition for a Flared Cone.