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Hysys Gives Different Values Of Viscosity For The Same Crude Oil !
#1
Posted 17 May 2018 - 01:48 PM
In Aspen HYSYS, I always found that the crude oil kinematic viscosity within simulation environment -for streams or petroleum feeder-, differ from the viscosity within the properties environment, whenever the crude created by "oil manager" or created by "petroleum assays manager".
The difference Range from 20% up to 55%.
For example the crude "Belayim Land-2013", which included in the petroleum assay manager library, has a kinematic viscosity @ 100 F = 45 cSt, while in the simulation environment it's calculated = 22.8 cSt @ 100 F.
p.s., the density is exactly the same value in both environments.
Any suggestions?!!
#2
Posted 17 May 2018 - 03:06 PM
Look for the public assay for the crude.
Bobby
#3
Posted 18 May 2018 - 09:43 AM
Look for the public assay for the crude.
Bobby
Hi Bobby,
if you mean the actual assay from lab, yes i have it, and it has viscosity as what in properties environment, and that what i'm asking about...
whatever the assay I created myself or got from the hysys library, what actually very confusing that the viscosity is given and HYSYS characterized the crude with the same value, so why there's such a huge difference in the two values when t calculated again in the simulation environment, even if there's two different correlations for each environment, it's supposed to be with small difference.
#4
Posted 18 May 2018 - 09:17 PM
Ask your friendly pro at AspenTech.
Bobby
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