Abstract
The purpose of this paper is to discuss the results of some recent experiments using evacuated powders as insulation for very low temperatures. Particular emphasis is given to the mechanics of radiant heat transfer through evacuated powders to which metal particles of various sizes were added as opacifier s. A powder with an apparent mean thermal conductivity of l,7μw/cm-°K between 300 and 20°K is reported.
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References
M. M. Fulk, “Evacuated powder Insulation for low temperatures/ in: Progress in Cryogenics, K Mendelssohn (ed.), Heywood and Co., London (1959).
C. Orr and J. M. Dallayalle, Fine Particle Measurement, Macmillan Company, New York (1959).
M. J. Sinnot, The Solid State for Engineers, John Wiley and Sons, Inc., New York (1958) p. 473.
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© 1960 Springer Science+Business Media New York
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Hunter, B.J., Kropschot, R.H., Schrodt, J.E., Fulk, M.M. (1960). Metal Powder Additives in Evacuated-Powder Insulation. In: Timmerhaus, K.D. (eds) Advances in Cryogenic Engineering. Advances in Cryogenic Engineering, vol 5. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-0537-9_17
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DOI: https://doi.org/10.1007/978-1-4757-0537-9_17
Publisher Name: Springer, Boston, MA
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