Graetz number
id:
graetz-number-316-7578056
title:
Graetz number
text:
In fluid dynamics, the Graetz number (Gz) is a dimensionless number that characterizes laminar flow in a conduit. The number is defined as: where This number is useful in determining the thermally developing flow entrance length in ducts. A Graetz number of approximately 1000 or less is the point at which flow would be considered thermally fully developed. When used in connection with mass transfer the Prandtl number is replaced by the Schmidt number, Sc, which expresses the ratio of the momentu
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wiki
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encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Graetz_number
date created:
date modified:
2022-12-04T22:00:55Z
main entity:
{"identifier":"Q903886","url":"https://www.wikidata.org/entity/Q903886"}
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13
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