Basic Laws for Fluid Flow

What laws do govern a fluid flow? Surprisingly, these are the well known conservation principles and only a handful of them. They are the same ones as will calculate problems in solid mechanics. These laws could be introduced as follows. Consider a system and its surroundings. By definition everything outside of a system is the surrounding. The system is subject to a few laws.

(c) Aerospace, Mechanical & Mechatronic Engg. 2005
University of Sydney