Hagen-Poiseuille equation
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English[edit]
Etymology[edit]
It was experimentally derived independently by Jean Léonard Marie Poiseuille in 1838 and Gotthilf Heinrich Ludwig Hagen, and published by Poiseuille in 1840–41 and 1846.
Proper noun[edit]
the Hagen-Poiseuille equation
- (fluid dynamics) A physical law that gives the pressure drop in an incompressible Newtonian fluid in laminar flow flowing through a long cylindrical pipe of constant cross section.