On Transition Radiation in Acoustics

Key Points

• This research explores the phenomenon of transition radiation in acoustics and its analogies with optical effects.
• Calculated reflection of a broadband acoustic pressure pulse from a contrasting inhomogeneity.
• Analyzed acoustic field generation during rapid braking of a subsonic sphere.
• Discussed vortex radiation during acoustic flow formation, emphasizing hydrodynamic nonlinearity.
• Considered rapid interface bending of immiscible liquids caused by radiation force pulses.
• Examined radiation effects from objects flying over uneven surfaces.
• Demonstrated transition radiation effects in acoustic scenarios.
• Identified conditions for effective radiation generation during sphere braking.
• Reported insights into vortex behaviors in acoustic flows.