Hagen number
id:
hagen-number-278-7495293
title:
Hagen number
text:
The Hagen number (Hg) is a dimensionless number used in forced flow calculations. It is the forced flow equivalent of the Grashof number and was named after the German hydraulic engineer G. H. L. Hagen. It is defined as: where: d p d x is the pressure gradient
L is a characteristic length
ρ is the fluid density
ν is the kinematic viscosity For natural convection and so the Hagen number then coincides with the Grashof number. Awad: presented Hagen number vs. Bejan number. Although their physical
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https://en.wikipedia.org/wiki/Hagen_number
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2022-11-23T11:49:24Z
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{"identifier":"Q1568363","url":"https://www.wikidata.org/entity/Q1568363"}
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