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Phase Equilibria of the Helium-Nitrogen System from 122 to 126°K

  • P. C. Tully
  • W. E. DeVaney
  • H. L. Rhodes
Part of the Advances in Cryogenic Engineering book series (ACRE, volume 16)

Abstract

The helium-nitrogen system has been studied by several investigators [1–8]. The highest temperatures studied were 121.74°K by Streett [8], 122.8°K by Buzyna, Macriss, and Ellington [1], and 123.1°K by Porter [6]. Scientific interest in the critical behavior of this system—important in the production of high-purity helium from natural gas—has been stimulated recently by Streett’s work, which revealed minimum critical conditions at 119.89°K and 8500 psia, and by further investigation by Streett and Hill [9] to higher pressures, which showed that the critical conditions continued to increase from the minimum to at least 136.5°K and almost 4000 atm.

Keywords

Consistency Test Platinum Resistance Thermometer Sight Glass Screw Pump Suction Valve 
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Copyright information

© Springer Science+Business Media New York 1971

Authors and Affiliations

  • P. C. Tully
    • 1
  • W. E. DeVaney
    • 1
  • H. L. Rhodes
    • 1
  1. 1.U.S. Bureau of Mines, Helium Research CenterAmarilloUSA

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