Hydraulic Diameter of a Square Tube

Hydraulic diameter, abbreviated as \(d_h\), of a square tube is when the flow is within the tube.

 

Hydraulic Diameter of a Square Tube formula
\(\large{ d_h = w  }\)
Symbol	English	Metric
\(\large{ d_h }\) = hydraulic diameter	\(\large{in}\)	\(\large{mm}\)
\(\large{ w }\) = width of tube	\(\large{in}\)	\(\large{mm}\)