construction method for noise shielding facility of sonic wind tunnel and thereof noise shielding facility

摘要

The present invention relates to a noise shielding facility installed in a facility for testing a wind tunnel at a sound speed to prevent the noise generated in the inside of the facility from diverging to the outside. This system is easy to install, easy to maintain, A sound shielding structure for a sonic wind tunnel, comprising: a frame formed by connecting a plurality of frames longitudinally and laterally; An outer shield layer provided outside the frame and formed by laminating a sound absorbing material between two metal plates; An inner shield layer provided inside the frame and formed by laminating a sound absorbing material between two metal plates; And a concavo-convex shielding layer provided on the inner wall of the inner shield layer and having a plurality of concavities and convexities facing inward.