flow-area variable unit and fluid pulsator for simulating vibration environment and of including the unit

摘要

The present invention is capable of simulating a variable flow indirectly fluid flow in the piping vibration environment with a simple structure to provide a unit that is a technical problem. To this end, the flow adjustment unit of the present invention, by changing the flow passage area of the vibration to the flow adjustment unit for applying the plate-like to a fluid, perpendicular to the direction of flow of the fluid is provided in the stationary plate having a circular opening of the first fluid passage and , and is rotatably provided on the fixed plate and the stationary plate forms a concentric circle of the rotary plate includes a second fluid passage having an opening. Here, the first fluid passage portion flow path cross-sectional area in combination with a second fluid passage portion while rotating plate is formed using a concentric rotation about the fixing plate has a shape such that the periodic change in the form of harmonics. ;