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Mixed Viscosity

hysys viscosity

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#1 274@P6


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Posted 07 January 2021 - 03:50 AM

Hi to all,


How to calculate mixed viscosity manually?


For the oil (Liquid) mass fraction - 0.424, Viscosity - 742 cP and the water mass fraction - 0.575, Viscosity - 0.98 cP what will the mixed viscosity?


Hysys Shows 3713.12 cP as a viscosity? How to crosscheck?


Thank in advance

Edited by 274@P6, 07 January 2021 - 03:50 AM.

#2 breizh


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Posted 07 January 2021 - 04:30 AM

hi ,

you are dealing with an emulsion .

It has to do with the viscosity of continuous phase and the dispersed phase together with the volumetric ratio dispersed phase to continuous phase or A/O  . 

Can you perform test in lab ( internal or external) ?  Brookfield test?

Note : Brookfield is developing in line viscometer ( ref to your previous post)


other resource :



My 2 cents 


Edited by breizh, 08 January 2021 - 12:53 AM.

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