Compressible flows as a research area focus on fluid-dynamic regimes in which density variations play a central role, typically at high Mach numbers or under strong pressure and temperature gradients. This field investigates the governing equations of compressible fluid motion—compressible Navier–Stokes, Euler, and related models—along with shock waves, expansion fans, compressible turbulence, and gasdynamic instabilities. Research topics include numerical methods for capturing discontinuities, high-speed aerodynamics, thermo-fluid coupling, reacting and multi-phase compressible flows, and transition and turbulence modeling, with applications to propulsion, atmospheric entry, blast phenomena, hypersonics, and advanced energy systems.
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