O.D.Nikishova, V.V.Olexiuk On the using the shadow devices for investigation of moving ingomogeneous fluid |
Applied hydromechanics, Vol. 5 (77) ¹ 4, (2003) |
| The purpose of the given work is the research of deformations of a field of heterogeneity of a liquid in laminar a boundary layer by means of visualization of heterogeneities by the shadow device. The outcomes of idealized and experimental researches of transformation of a field of temperature in a laminar boundary layer of a flat plate are adduced at streamlining by its flow of an inhomogeneous liquid. Is rotined, that there is a amplification of a gradient of a of heterogeneities in a boundary layer. It's proposed use this effect for increasing of the sensitivy of shadow devices by way making the artificial shifting of the stream in a revise volume. Is rotined, that in a boundary layer which is generatrix on spherical surface at their streamlining, there can be whirling as vortexes Taylor-Geortler, that it is necessary to allow at interpretation of the indications of such devices, as, for example, remote television visualisotor of heterogeneities such as ÄÒÂÍ, with the spherical unsheltered optics in a revise volume. |
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KEY WORDS: *** |
| TEXT LANGUAGE: Russian |