Water and Wastewater Terms Beginning D

A B C D E F G H I J K L M N O P Q R S T U V W Y Z

dynamic pressure

When a pump is operating, the vertical distance (in feet or meters) from a point to the energy grade line. Also see energy grade line, static head, and total dynamic head.

dynamic pressure [psi] = dynamic head [ft] x (0.433 psi/ft)
or
dynamic pressure [kPa] = dynamic head [m] x (9.8 kPa/m)