Helmholtz circulation theorem
теорема Гелмгольця про циркуляцію
Helmholtz theorem on conservation of vortex lines
Helmholtz theorem on conservation of vortex strength
Helmholtz theorem on vorticity diffusion in a viscous liquid
Thomson theorem on material change of circulation
Zorawski theorem on persistence of circulation
circulation-controlled anti-torque or circulation-controlled direction control system
Bernoulli theorem for a viscous incompressible fluid
Bernoulli theorem on boundary energy
Prandtl boundary layer theorem