It is found in this work that the Von Karman vortex street could be totally suppressed at low Reynolds number region after adding the control cylinder at proper position.

• 由实验之结果发现：在锥形圆柱流场之适当位置加入控制圆柱后，在低雷诺数可使其尾流之冯卡门涡街完全消失；