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UID:Baylor_CMS_Event-82647
DTSTAMP:20260609T104140Z
SUMMARY:Dr. Joseph Kuehl
DESCRIPTION;ENCODING=QUOTED-PRINTABLE:Dr. Joseph Kuel on Advances In Hypersonic Boundry Layer Stability The laminar-turbulent transition process is of fundamental importance to sub-, super- and=0D=0A=
hypersonic aerodynamics. It may critically drive system drag, thermal loading, propulsive=0D=0A=
efficiency and vehicle stability. The National Center for Hypersonic Laminar-Turbulent=0D=0A=
Transition Research takes a systems approach combining experimental, numerical and=0D=0A=
theoretical research to better understand the transition process; beginning with free stream=0D=0A=
disturbance receptivity, through linear and nonlinear growth of disturbances, up to turbulent=0D=0A=
breakdown. This talk will focus on recent developments in our understanding of the linear=0D=0A=
and nonlinear evolution of disturbance modes in hypersonic boundary layers (primarily the=0D=0A=
so called second mode and crossflow instabilities which are dominant above Mach 4). In=0D=0A=
particular, the newly developed JoKHeR code will be introduced. JoKHeR is a nonlinear=0D=0A=
parabolized stability equations (NPSE) code which accounts for nonparallel and nonlinear=0D=0A=
effect over generic topography. The NPSE method provides an efficient alternative to direct=0D=0A=
numerical simulation by applying a marching procedure to track the modal evolution of=0D=0A=
boundary layer disturbances.
LOCATION:BSB E231
DTSTART;TZID=US_Central:20130222T000000
DTEND;TZID=US_Central:20130223T000000
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