ABSTRACT
Finally, it must be emphasised that the above relationships are based on the assumptions th a t:
(a) The increase of pressure with depth follows the hydrostatic law (i.e. flow is uniform or gradually varied).
Finally, it must be emphasised that the above relationships are based on the assumptions th a t:
(a) The increase of pressure with depth follows the hydrostatic law (i.e. flow is uniform or gradually varied).