How Everything Works
How Everything Works How Everything Works
 

QUESTIONS AND ANSWERS
 
Question 113

Please define the 3 types of energy that flowing water has?
Whenever water (or any incompressible fluid) passes fixed obstacles in a laminar flow, its total energy is conserved (we're neglecting friction effects—viscous drag). That total energy consists of (1) the water's gravitational potential energy (how high up it is), (2) the water's pressure potential energy (how hard it pushes on surfaces), and (3) the water's kinetic energy (how fast it's moving). Since the water's total energy doesn't change, a change in one of these forms of energy necessitates a change in one or both of the other forms. For example, if water speeds up during its flow, the water's pressure or height or both must decrease.
         

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