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Mortonov broj

Za Mortonov broj u teoriji brojeva, pogledajte članak Mortonov broj (teorija brojeva).

U dinamici fluida, Mortonov broj () je bezdimenzionalni broj[1] koji se, zajedno sa Eötvösovim brojem, koristi da se opiše oblik mjehurića ili kapljica koje sekreću u okolnom fluidu.

Mortonov broj je definisan kao

gdje je g gravitaciono ubrzanje, je viskoznost okolnom fluida, je gustoća okolnog fluida, je razlika u gustoći faza, a je koeficijent površinskog napona.

Za slučaj mjehurića sa zanemarivom unutrašnjom gustoćom, Mortonov broj može se pojednostaviti na

Mortonov broj se, također, može izraziti korištenjem kombinacije Weberovog, Freudeovog i Reynoldsovog broja,

Froudeov broj u gornjem izrazu definisan je kao

gdje je V referentna brzina, a d je ekvivalentni dijametar kapi ili mjehurića.

Reference

[uredi | uredi izvor]
  1. ^ "Morton_number". www.chemeurope.com. Pristupljeno 2024-08-16.

Vanjski linkovi

[uredi | uredi izvor]
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Mortonov broj
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