It is a scalar function of space and time such that its partial derivative with respect to any direction gives the velocity component at right angles to this direction.

Akash said:
(Jun 21, 2018)

The flow velocity components can be expressed as the derivatives of the scalar stream function. The stream function can be used to plot streamlines, which represent the trajectories of particles in a steady flow. The two-dimensional Lagrange stream function was introduced by Joseph Louis Lagrange in 1781.

Soumya said:
(May 17, 2020)

What is the steam function?

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