"Heat Flush" Method of <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msup><mrow><mi mathvariant="normal">He</mi></mrow><mrow><mn>3</mn></mrow></msup></mrow></math></span> Separation

Charles A. Reynolds; Henry A. Fairbank; C. T. Lane; B. B. Mcinteer; Alfred O. Nier

doi:10.1103/PhysRev.76.64

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"Heat Flush" Method of ${He}^{3}$ Separation

Charles A. Reynolds^*,†, Henry A. Fairbank^†, C. T. Lane^†, B. B. Mcinteer^‡, and Alfred O. Nier^‡

Sloane Physics Laboratory, Yale University, New Haven, Connecticut
Department of Physics, University of Minnesota, Minneapolis, Minnesota

^*Now at Rutgers University, New Brunswick, New Jersey.
^†Assisted by ONR.
^‡Assisted by the joint program of ONR and AEC.

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Phys. Rev. 76, 64 – Published 1 July, 1949

DOI: https://doi.org/10.1103/PhysRev.76.64

Abstract

A further experimental study has been made of the efficiency of separation of ${He}^{3}$ from mixtures of ${He}^{3}$ and ${He}^{4}$ in a method making use of the "internal convection" process in superfluid liquid helium. It is shown that the method is capable of removing all the ${He}^{3}$ in mixtures with an original ${He}^{3}$ / ${He}^{4}$ abundance of $10^{- 2}$ percent in a period of about five minutes with a power input of 13 milliwatts. The efficiency of the method as a function of power input is also studied and comparison is made with Kapitza's measurements on the "latent heat" of superfluid atoms.

References (7)

Lane, Fairbank, Aldrich, and Nier, Phys. Rev. 73, 256 (1948)
Fairbank, Lane, Aldrich, and Nier, Phys. Rev. 73, 729 (1948)
Lane, Fairbank, Aldrich, and Nier, Phys. Rev. 75, 46 (1949)
McInteer, Aldrich, and Nier, Phys. Rev. 72, 510 (1947)
P. L. Kapitza, J. Phys. U.S.S.R. 5, 59 (1941)
J. G. Daunt and K. Mendelssohn, Proc. Roy. Soc. A170, 423 (1939) ibid.170, 439 (1939)
K. R. Atkins, Nature 161, 925 (1948)

[c1] Lane, Fairbank, Aldrich, and Nier, Phys. Rev. 73, 256 (1948)

[c2] Fairbank, Lane, Aldrich, and Nier, Phys. Rev. 73, 729 (1948)

[c3] Lane, Fairbank, Aldrich, and Nier, Phys. Rev. 75, 46 (1949)

[c4] McInteer, Aldrich, and Nier, Phys. Rev. 72, 510 (1947)

[c5] P. L. Kapitza, J. Phys. U.S.S.R. 5, 59 (1941)

[c6] J. G. Daunt and K. Mendelssohn, Proc. Roy. Soc. A170, 423 (1939) ibid.170, 439 (1939)

[c7] K. R. Atkins, Nature 161, 925 (1948)

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"Heat Flush" Method of ${He}^{3}$ Separation

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"Heat Flush" Method of He3 Separation

Abstract

References (7)

"Heat Flush" Method of ${He}^{3}$ Separation