Natural longitudinal vortices in the jet flow

Project: Visualization of Mechanical Processes

Journal: Visualization of Mechanical Processes: An International Online Journal

Article: Visualization of the processes of development and turbulent breakdown of a low speed round jet

Topics: Gas dynamics, Turbulence, Flow-structure interaction

This movie demonstrates the flow pattern in the round jet using a smoke visualization and a laser sheet. The dynamics of the round jet development shows that the natural longitudinal (streaky) structures that are localized in the periphery of the jet core arise directly in the nozzle exit.