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Newtonian Pressure Drop Vs Non-Newtonian Pressure Drop


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#1 Siraj77

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Posted 22 October 2016 - 05:30 AM

Hi,

I did some experiments on Newtonian and non-Newtonian fluids measuring the pressure drop through a horizontal pipeline. The Newtonian two-phase flow was water+air and the non-Newtonian was (water+xanthan gum)+air.

I prepared 2 samples (2 concentrations) of the xanthan gum solution 1g/1L (995 kg/m3) and 2g/1L (990 kg/m3). I am wondering if it is logical that the Newtonian pressure drop was bigger than the non-Newtonian one?! Also the 2g/1L sample should've been with a higher density comparing to the 1g/1L!

Thanks



#2 Napo

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Posted 25 October 2016 - 05:15 PM

Siraj77,

Please, can you share your calculations about pressure drop?.

Napo.

#3 Siraj77

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Posted 25 October 2016 - 11:59 PM

Thanks

Attached Files



#4 breizh

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Posted 26 October 2016 - 12:37 AM

hi ,

Did you try Google : Rheology of Xanthan solution ? A lot of publications there.

 

Breizh






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