초록

A strut bridges inner and outer walls of a frame defining a flow channel for channeling a fluid therethrough. The strut has leading and trailing edges, and a root and tip, and is tapered between the root and tip for varying frequency and amplitude of vortex shedding.

대표청구항 ▼

[ What is claimed is:] [1.] A frame comprising:an inner wall;an outer wall spaced from said inner wall to define a flow channel therebetween for channeling a fluid; anda plurality of struts having a circular cross section disposed in said channel and having roots and tips at opposite span wise ends

[ What is claimed is:] [1.] A frame comprising:an inner wall;an outer wall spaced from said inner wall to define a flow channel therebetween for channeling a fluid; anda plurality of struts having a circular cross section disposed in said channel and having roots and tips at opposite span wise ends thereof fixedly joined to said inner and outer walls, respectively, and having leading and trailing edges defining a chord therebetween and said struts being longitudinally tapered effecting a truncated cone to vary said chord in length between said roots and said tips to vary vortex shedding of said fluid from said struts, said struts each having a respective longitudinal axis extending between said root and said trip.