PROBLEM TO BE SOLVED: To provide a boundary layer control device capable of performing a more accurate wind tunnel test and a wind tunnel device having the boundary layer control device.;SOLUTION: A boundary layer control device includes: a chamber 14 is a box-shaped which is recessed from an inner wall surface 3A constituting an air flow passage causing air-flow W generated by a blower to flow and provided with a front plate 16 formed in a shape toward a downstream side of the air-flow W as approaching to the inner wall surface 3A; a partition plate 18 provided inside the chamber 14 and dividing a space inside the chamber 14 into a duct space 10 of an upstream side and a header 12 for blowout at the downstream side; and the airflow passage and a nozzle 21 for blowing out the air inside the header 12 for blowout via an opening to the inner wall surface 3A of the chamber 14. The duct space 10 includes a main duct 10A of the upstream side and a sub-duct 10B being connected to a downstream side of the main duct 10A and smaller in depth than the main duct.;SELECTED DRAWING: Figure 3;COPYRIGHT: (C)2019,JPO&INPIT
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