Abstract
This paper focuses on the stress and the deformation of a thin circular plate, whose surface is loaded by a expanded cool jet. It is well known that the self-excited oscillation of the jet occurs when it impinges on an object and that the surface of the object is cooled. If the object is a thin plate, then it is deformed and vibrated by the jet impingement. In order to clarify the influence of self-excited oscillation on the deformation of the thin plate, the pressure, the temperature, the strain and the deflection on the plate are experimentally measured at the different nozzle-plate spacings. Using the pressure and temperature in the experiment, the deflection of the plate is analyzed by the finite element method. The analytical results are compared with those by experiment.
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