… not to reproduce all the detailed dynamics of hot jets in laboratory experiments. In the same
… and characterize the nonlinear global mode structure in a ‘synthetic’ hot jet configuration. As …

… [82] experiments, global mode concepts were not yet sufficiently advanced to allow for …
nonlinear global mode theory may predict the main features of synchronized oscillations in hot jets…

… global mode once the centreline temperature of the jet reaches that of the dissociation reaction
onset, which is T = 2800 K for air at ps = 100 mbar. The linear global … the nonlinearity and …

… theoretically as a nonlinear global mode. The present study examines the acoustic far field
that is radiated from the self-sustained vortex street in globally unstable hot jets. The thick-…

… hot jet [11], or a mixing layer with a back flow [12] are likely to result from the nonlinear
saturation of a global mode. The weakly nonlinear theory has been applied to linear global modes …

… description of fully nonlinear global modes (Chomaz7), one of … for the occurrence of self–excitation
in jets can be proven to be … based on jet diameter, two axisymmetric modes have been …

… Cheung, LC, Bodony, DJ & Lele, SK 2007 Noise radiation predictions from jet instability
waves using a hybrid nonlinear pse-acoustic analogy approach. In Proceedings of the 13th AIAA/…

… global modes ˆq0,a and ˆq0,s with a finite amplitude ϵ. For both the modes, ϵ has been set
so that the energy of the global mode … of linear and nonlinear global modes. AIAA Paper 2008…

… regime also called a self-sustained oscillation regime or a resonant regime appears in
jets,6 when the inner density is lightened; in mixing layer when suction is applied to one of the …

… We use the Landau model to study the nonlinear amplitude evolution of a global mode
near its bifurcation points, providing an analytical means to differentiate between supercritical …