New correlation equations for ammonia-water vapor-liquid equilibrium (VLE) thermodynamic properties

M. A.I. El-Shaarawi, S. A.M. Said, M. U. Siddiqui

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

7 Scopus citations


Ammonia is widely used as a refrigerant in absorption systems. Water is used as a solvent. For an adequate and accurate analysis of an absorption system's performance, it is important to be able to determine the thermodynamic properties of such a refrigerant-absorbent solution. This paper presents a set of seven polynomial forms of property correlations developed based on experimental data. The developed correlations are simple, easy to use, and explicitly defined, and they best describe the thermodynamic properties of an ammonia-water mixture. Also, this paper presents the results of the developed correlations compared with the results of other correlations reported in the literature.

Original languageEnglish
Title of host publicationASHRAE Transactions - ASHRAE Winter Conference
Number of pages6
EditionPART 1
ISBN (Print)9781936504411
StatePublished - 2013

Publication series

NameASHRAE Transactions
NumberPART 1
ISSN (Print)0001-2505

ASJC Scopus subject areas

  • Building and Construction
  • Mechanical Engineering


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