SYMPOSIA PAPER Published: 01 January 1974
STP32225S

Influence of Physical Properties of the Liquid on the Erosion of Solids

Source

Results are presented for the erosion of nickel in a series of experiments involving ten different liquids chosen so that the effects of density, acoustic impedance, and viscosity could be investigated separately. The shape of the erosion curve was not greatly affected by changes in the physical properties of the liquid. The level of damage in all stages of erosion was strongly dependent on acoustic impedence and viscosity; changes in density affected only the later stages of erosion. When carbon tetrachloride was used as the eroding fluid it was found that the damage during the second stage of erosion was proportional to the fifth power of the impact velocity, a result similar to that reported for water.

Measurements of the impact pressure distribution under the surface of a 5.0-mm-diameter water drop at velocities up to 140 m/s are presented. The distribution was found to be symmetrical about the center of impact with a central maximum of 0.7 poCoV. The distribution along the central axis of the drop was also measured. No evidence of high pressures other than at the center of impact was found.

Author Information

Rochester, MC
Plymouth Polytechnic, Plymouth, Devon, England
Brunton, JH
Plymouth Polytechnic, Plymouth, Devon, England
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Details
Developed by Committee: G02
Pages: 128–147
DOI: 10.1520/STP32225S
ISBN-EB: 978-0-8031-4650-1
ISBN-13: 978-0-8031-0335-1