When the velocity field in a conduit is completely known, Ev can be calculated directly from Eqs. (11.4-3) and (11.4-4). Confirm that, for fully developed laminar flow of an incompressible fluid in a tube of radius R and length L, the result obtained in this manner is equivalent to Eq. (11.4-12).

Transcribed Image Text:

E₂ =/₁ V(1) T: Vv dv. (11.4-3)