AEM Seminar: Friday, May 2nd - Dr Thomas Juliano, Dept of Aerospace and Mechanical Engineering, University of Notre Dame
Molly Schmitz
Spring 2025 Seminar Series
Abstract:
Shock-wave/boundary-layer
interactions (SWBLI) are important to the performance of hypersonic flight
vehicles, such as a scramjet’s inlet efficiency and unstart behavior, or a
maneuvering vehicle’s aerodynamic control authority and peak heating
loads. However, SWBLI are challenging to
predict due to their combination of high spatial gradients and unsteady
nature. Viscous effects are unavoidable,
and the flows are highly sensitive to flow conditions and flight attitude. Current research at the University of Notre
Dame seeks to make improved experimental measurements of the phenomena. Development of high-resolution
instrumentation --- temperature-sensitive paint,
pressure-sensitive paint,
infrared thermography, and background-oriented schlieren --- enable measurement
of internal and external SWBLI-dominated flows with the sensitivity and spatial
resolution needed to characterize these flows, with an eye toward flow-control
techniques and validation of computational tools.
Thomas Juliano is an Associate Professor in the Department of Aerospace and Mechanical Engineering at the University of Notre Dame. Dr. Juliano’s primary research interest is high-speed aerodynamics and aerothermodynamics, including especially laminar-to-turbulent transition and shock-wave/boundary-layer interactions, for both external and internal flows. Other interests include hypersonic facility development, specifically quiet wind tunnels. He develops instrumentation for high-speed flow diagnostics, including quantitative infrared thermography, pressure-sensitive paint, and background-oriented schlieren.
He is an Associate Fellow of the American Institute of Aeronautics and Astronautics. Before joining the faculty at Notre Dame, he was a National Academy of Sciences Research Associate in the Hypersonic Sciences Branch at the Air Force Research Laboratory and a post-doc at Ohio State University. His M.S. and Ph.D. are from Purdue University and his B.S. is from Caltech.
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