Influence of a Thin Liquid Layer on the Impact of a Jet upon a Wall


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Resumo

The numerical results of studying the impact of an axisymmetric liquid jet upon a flat rigid wall covered by a layer of similar liquid are presented. Primary attention is paid to the effect the layer thickness on the wall has on loading in the range of impact velocities 150–350 m/s. The loading character is studied, and the estimations of wall pressure are obtained in the case of a small layer thickness, which are topical for the applications associated with the droplet and cavitation erosion. It is shown that under the conditions considered the known results of two-dimensional modeling overestimate the maximum of the average pressure on the wall by 1.8 times.

Sobre autores

T. Guseva

Institute of Mechanics and Engineering, FRC Kazan Scientific Center, Russian Academy of Sciences

Autor responsável pela correspondência
Email: ts.guseva@mail.ru
Rússia, Kazan

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