3 papers
physics.flu-dyn2026
Mach-disk formation and shock-structure transitions in underexpanded coflowing jets
Ganesh Dhungana, Srijan Satyal, Nek Sharan
The near-field shock structures of underexpanded sonic jets exiting into a subsonic coflow are investigated over a range of nozzle pressure ratio (NPR) and coflow-to-nozzle-exit ve…
physics.flu-dyn2026
Curvilinear Moving Overset Method for High-order Non-dissipative Schemes
Minhazul Islam, Nek Sharan
This paper presents a non-dissipative, high-order, moving overset method for curvilinear grids to simulate unsteady compressible flows in complex geometries with moving components.…
physics.flu-dyn2019
Direct numerical simulation of high-pressure mixing in turbulent jets
Nek Sharan, Josette Bellan
Combustion in automotive and aerospace applications employing diesel, gas turbine and liquid rocket engines is preceded by injection and mixing of fuel and oxidizer at high pressur…