Except at the origin where r=0, the vortex flow is ___________(a) rotational(b) laminar(c) irrotational(d) turbulentThe question was posed to me in final exam.My doubt is from Vortex Flow topic in section Inviscid & Incompressible Flow of Aerodynamics

Except at the origin where r=0, the vortex flow is ___________(a) rota

1.	Except at the origin where r=0, the vortex flow is ___________(a) rotational(b) laminar(c) irrotational(d) turbulentThe question was posed to me in final exam.My doubt is from Vortex Flow topic in section Inviscid & Incompressible Flow of Aerodynamics
Answer» Right option is (c) IRROTATIONAL To explain: VORTEX FLOW is irrotational everywhere except at the point r=0, where the VORTICITY is infinite. Therefore, the origin, r=0, is a singular point in the flow field. Here, the origin point REPRESENTS the singularity point.

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Except at the origin where r=0, the vortex flow is ___________(a) rotational(b) laminar(c) irrotational(d) turbulentThe question was posed to me in final exam.My doubt is from Vortex Flow topic in section Inviscid & Incompressible Flow of Aerodynamics

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