Unsteady laminar gas flows in an annular nozzleстатья
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Дата последнего поиска статьи во внешних источниках: 8 февраля 2017 г.
Аннотация:On the basis of the Navier-Stokes conducted a parametric study of the influence of various factors on the development of the initial perturbations caused by the launch of the ring nozzle blows air under laminar flow model. Detected flow regime, in which the starting perturbation accompanying the launch of the nozzle, do not decay and transform into a quasi-periodic mode. The frequency of the Fourier spectrum of the pressure pulsations in the center of the wall of the traction and the magnitude of the thrust nozzle. It shows typical pulsating pressure signals obtained in the computational model and registered in the experiments