A fan blade comprising: a working region having a leading edge, trailing edge, a pressure side, a suction side and a tip; and a plurality of flow modification features (150-1, 150-2, 150-3, 150-4) positioned at the working region, the plurality of flow modification features including: a first flow modification feature on the pressure side having a wedge shape with a pointed end and a wider end, the pointed end and the wider end of the first flow modification feature both located on the pressure side, wherein the pointed end of the first flow modification feature is spaced from the leading edge, and wherein a length of the first flow modification feature is less than a chord length of the fan blade; and a second flow modification feature on the pressure side having a wedge shape with a pointed end and a wider end, the pointed end and the wider end of the second flow modification feature both located on the pressure side, wherein the pointed end of the second flow modification feature is spaced from the leading edge, wherein a length of the second flow modification feature is less than the chord length of the fan blade, and wherein the first and second flow modification features are spaced from each other to define a channel therebetween; characterized in that the wider end of the first flow modification feature is aligned with the tip and located downstream of the pointed 2. end of the first flow modification feature; and the wider end of the second flow modification feature is aligned with the tip and located downstream of the pointed Z end of the second flow modification feature. a working region having a leading edge, trailing edge, a pressure side, a suction side and a tip; and a plurality of flow modification features (150-1, 150-2, 150-3, 150-4) positioned at the working region, the plurality of flow modification features including: a first flow modification feature on the pressure side having a wedge shape with a pointed end and a wider end, the pointed end and the wider end of the first flow modification feature both located on the pressure side, wherein the pointed end of the first flow modification feature is spaced from the leading edge, and wherein a length of the first flow modification feature is less than a chord length of the fan blade; and a second flow modification feature on the pressure side having a wedge shape with a pointed end and a wider end, the pointed end and the wider end of the second flow modification feature both located on the pressure side, wherein the pointed end of the second flow modification feature is spaced from the leading edge, wherein a length of the second flow modification feature is less than the chord length of the fan blade, and wherein the first and second flow modification features are spaced from each other to define a channel therebetween; a first flow modification feature on the pressure side having a wedge shape with a pointed end and a wider end, the pointed end and the wider end of the first flow modification feature both located on the pressure side, wherein the pointed end of the first flow modification feature is spaced from the leading edge, and wherein a length of the first flow modification feature is less than a chord length of the fan blade; and a second flow modification feature on the pressure side having a wedge shape with a pointed end and a wider end, the pointed end and the wider end of the second flow modification feature both located on the pressure side, wherein the pointed end of the second flow modification feature is spaced from the leading edge, wherein a length of the second flow modification feature is less than the chord length of the fan blade, and wherein the first and second flow modification features are spaced from each other to define a channel therebetween; characterized in that the wider end of the first flow modification feature is aligned with the tip and located downstream of the pointed 2. end of the first flow modification feature; and the wider end of the second flow modification feature is aligned with the tip and located downstream of the pointed Z end of the second flow modification feature. the wider end of the first flow modification feature is aligned with the tip and located downstream of the pointed 2. end of the first flow modification feature; and the wider end of the second flow modification feature is aligned with the tip and located downstream of the pointed Z end of the second flow modification feature.