inner vortex sheet

Kaman’s vortex sheet

rolling-up of vortex sheet

slender-wing vortex sheet

Vortex sheet instability

vortex sheet model

vortex sheet roll-up

vortex sheet spectrum

sheet of vortex

corrugated sheet-iron (undulated sheet-iron)

nickel-plated steel sheet and nickel-plated punched steel sheet

sheet to sheet duplicator

single sheet apparatus for measuring specific total losses of magnetic sheet and strip

2D-vortex

3D stand vortex

3-D vortex

500 hPa northern polar vortex

700 hPa low vortex

a ll-over-controlled-vortex