Active flow control of the dynamic wake behind a square cylinder using combined jets at the front and rear stagnation points

• Published in: Physics of fluids (1994) Vol. 33; no. 4
• Main Authors: Gao, Donglai, Meng, Hao, Huang, Yewei, Chen, Guanbin, Chen, Wen-Li
• Format: Journal Article
• Language: English
• Published: Melville American Institute of Physics 01.04.2021
• Subjects: Active control; Aerodynamics; Air flow; Computational fluid dynamics; Control methods; Cylinders; Flow characteristics; Flow control; Flow stability; Flow visualization; Fluid dynamics; Fluid flow; Jets; Kinetic energy; Model testing; Momentum; Particle image velocimetry; Physics; Proper Orthogonal Decomposition; Reynolds number; Shear layers; Shear stress; Stability analysis; Stagnation; Turbulent flow; Vortex shedding

This study experimentally investigated an active flow control method with combined jets at the front and the rear stagnation points of a square cylinder to suppress the unsteady wake flow. The Reynolds number (Re) was 1.67 × 10 4, based on the incoming speed of airflow and the diameter of test model...