Cavitation and Effective Liquid Tension of Nitrogen in a Hydrodynamic Cryogenic Tunnel

  • R. S. Ruggeri
  • T. F. Gelder
Conference paper
Part of the Advances in Cryogenic Engineering book series (ACRE, volume 9)


Cavitation may be described as the local vaporization of a liquid brought about by-reductions in pressure due to changes in flow velocity. For the most part, cavitation is undesirable. It is damaging, often to the point of destruction; it is noisy, usually is accompanied by vibration; and it usually degrades the flow pattern. It is generally assumed that cavitation will occur if the local minimum pressure within a flowing system is reduced to the fluid vapor pressure. Also, the pressure within a cavity, or cavitated region, is usually thought to be at the vapor pressure corresponding to stream liquid temperature. These assumptions are not always valid [1–6] and recent experimental evidence that shows to what extent these assumptions may be invalid (for a particular model) constitutes the subject of the present paper.


Minimum Pressure Temperature Depression Cavitated Region Collapse Region Effective Tension 
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  1. 1.
    R. S. Ruggeri and T. F. Gelder, “Effects of Air Content and Water Purity on Liquid Tension at Incipient Cavitation in Venturi Flow,” NASA TN D-1459 (1963).Google Scholar
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    W. W. Wilcox, P. R. Meng, and R. L. Davis, in Advances in Cryogenic Engineering, Vol. 8, Plenum Press, New York (1963), p. 446.Google Scholar

Copyright information

© Springer Science+Business Media New York 1964

Authors and Affiliations

  • R. S. Ruggeri
    • 1
  • T. F. Gelder
    • 1
  1. 1.NASA Lewis Research Center ClevelandUSA

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