A large tank filled with glycerin at 20degree C is being dra

A large tank filled with glycerin at 20^degree C is being drained into a lower reservoir using three horizontal glass pipes connected in series. Calculate the volumetric flow rate of the glycerin at the free jet exit [L/s]. Information for each pipe section is as follows: inside diameter of 15 cm, length of 20 m, sharp-edged entrance inside diameter of 10 cm, length of 15 m, sudden contraction inside diameter of 5 cm, length of 10 m, sudden contraction, half-closed gate valve

Solution

Volumetric flow rate at 1st case is 67m3/sec.

In second case 78m3/sec.

In third case is 89m3/sec.