0
RESEARCH PAPERS

A Reappraisal of the Critical Constants for Water

[+] Author and Article Information
O. C. Bridgeman, E. W. Aldrich

Research Division, Phillips Petroleum Company, Bartlesville, Okla.

J. Heat Transfer 87(2), 266-274 (May 01, 1965) (9 pages) doi:10.1115/1.3689089 History: Received August 25, 1964

Abstract

A reappraisal of the critical constants for water has been made, based on the calorimetric data of the National Bureau of Standards for saturated liquid and vapor. The temperature tc at which the enthalpy of vaporization becomes zero was found to be 374.02 C on the International Practical Temperature Scale or 374.136 C on the thermodynamic scale, within a few thousandths of a deg C. From the experimental data for γ = VV ·TdP/dT and β = VL ·TdP/dT, the value of γc = βc at the critical point where γ − β = L = 0 was found to be 541.382 ± 0.065 int.J/g. Using the present authors’ vapor-pressure equation for water, the critical volume Vc becomes 3.1547 cm3 /g and the critical pressure Pc equals 225.268 kg/cm2 , at a temperature of 374.02 C (IPTS). A comparison is made with the values reported by previous investigators.

Copyright © 1965 by ASME
Your Session has timed out. Please sign back in to continue.

References

Figures

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In