Preliminary study into thermal properties of controlled axisymmetric nozzle

Abstract eng:
The paper presents the results of preliminary studies into thermal properties of controlled axi-symmetric nozzle. Downstream flow impinged on the 3.2 mm thick wall, with thermal scanner on the other side. Three types of downstream flow were studied: the first one of high velocity and a relatively small cross-section, the second one – an annular flow of big cross-section and low velocity, and the third one – switched in cycles between the above mentioned flows. Introduction The paper presents the results of preliminary studies into thermal properties of controlled axisymmetric nozzle. For the purpose of this research, a research stand has been developed, see Fig.1.

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