Hydrofoil cavitating flow control structure

A hydrofoil cavitating flow control structure, comprising a hydrofoil, wherein a primary protuberant stripe is disposed in a middle position of a suction side of the hydrofoil, a plurality of symmetrically-distributed secondary protuberant stripes are disposed obliquely at both sides of the primary protuberant stripe, and the plurality of secondary protuberant stripes are uniformly and equidistantly distributed along a length direction of the primary protuberant stripe;

• the primary protuberant stripe is obtained from a protuberant part which is outside the hydrofoil and has a circular cross-section along an entire length of the primary protuberant stripe;
• a trajectory of the primary protuberant stripe is closely attached to the suction side of the hydrofoil, and a center of the circular cross-section of the primary protuberant stripe is located on the trajectory of the primary protuberant stripe;
• the secondary protuberant stripes are obtained from a protuberant part which is outside the hydrofoil and has a circular cross-section along an entire length of the secondary protuberant stripe;
• a trajectory of the secondary protuberant stripes is closely attached to the suction side of the hydrofoil, and a center of the circular cross-section of the secondary protuberant stripes is located on the trajectory of the secondary protuberant stripe.