Page 89 - Fluid Power Engineering
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64 Cha pte r T h ree
FIGURE 3.2 Commonly used connectors and coupling elements.
3.3 Hoses
Hoses are used to interconnect elements that vibrate or move relative
to each other. They insure the required flexibility and can operate at
high pressures. The proper hose diameter is determined according to
the maximum flow rate and the selected fluid speed.
4 Q
d = max (3.2)
π v
where d = Hose inner diameter, m
3
Q = Maximum flow rate, m /s
max
v = Fluid mean velocity, m/s
