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  • Submitted: May 16 2011 09:15 AM
  • Last Updated: May 16 2011 09:15 AM
  • File Size: 49.5KB
  • Views: 8215
  • Downloads: 1,489

Download Estimating Saturated Liquid Densities

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MS Excel calculation spreadsheet to help in the estimation of density values for saturated liquids.

This download accompanies the blog entry at:


Disclaimer: All software provided "As-Is" with no warranty, expressed or implied, available. See our Terms of Use for more information.

viral desai
May 23 2011 12:34 AM
I have downloaded and prediction is excellent..What about super critical fluids ?
Unfortunately, the precision of these equations is a real issue. As your example shows it for ammonia, you have respectively a liquid density of 0.510 and 0.606 g/cm3. Refprop calculation gives 0.584 g/cm3, which shows respectively 12% and 3% difference.
I have checked many of these equations; very few give satisfaction ( i.e. precision unde 2 % ) over an entire range of temperatures and at the condition to stay under 90% of the critical temperature. Among the simple ones are : Guggenheim, SNMO, and PTV ( patel-teja-valderama). Regards

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