| 摘要 |
An apparatus for forming a vortex wherein the vortex is typically formed of a fluid injected into a cavity formed in a cup-shaped member. The interior surface of the cup is formed of two discreet sections, a cylindrical section and a hemispherical section. An inlet port provides an ingress for fluid into the cavity. The fluid strikes the hemispherical surface upon entering the cavity and is redirected or diffused such that the fluid forms a vortex. The cylindrical section aids to stabilize the vortex enabling the vortex to extend above the surface of the cup-shaped member prior to degenerating.
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