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Viscosity issue

2011-04-09View Original

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Why is the viscosity obtained using Aspen lower than the viscosity values given in the literature? Last time I performed the calculation for a sodium chloride aqueous solution, I thought there might have been a mistake in the input values; today, I did the same calculation for water and got the same result. At 1 atmosphere and 20 degrees Celsius, the viscosity of water is 1 cp, but Aspen shows a value of only 0.833; I’m not sure why. Seek advice; a reward in wealth will be given for the answer
Reply #22011-04-09
I finally understand it – it turns out that an electrolyte model is being used; using a water model would be the correct approach. However, with the electrolyte model, the viscosity of sodium chloride aqueous solutions comes out to be lower than what is reported in the literature, while the water model doesn’t give such a result. Can someone please guide me? Cried. . . .
Reply #32011-04-10
Under no circumstances should you sink; an immediate reward in wealth will be given for a response
Reply #42011-04-11
Is the expert very busy these days? We welcome everyone to actively participate in the discussions
Reply #52014-07-15
Same request! Looking forward to seeing the experts' moves.

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