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Improving the flow of liquid from a nozzle by inserting an air tube

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Soviet Mining Aims and scope

Conclusions

  1. 1.

    The wear of hydromonitor nozzles is due to the cavitation action of the liquid stream.

  2. 2.

    The cause of this cavitation is the presence of a vacuum near the mouth of the nozzle.

  3. 3.

    The wear can be effectively suppressed by eliminating the vacuum.

  4. 4.

    One method of eliminating the vacuum in the nozzle is to introduce an air tube, as used in the PG pulsed hydromonitor for creating pulsations in the jet.

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Literature Cited

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Authors
  1. V. Yu. Izakson
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  2. E. A. Sigaev
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  3. V. D. Kolchanov
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Additional information

Kuzbass Polytechnic Institute, Kemerovo. Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, No. 1, pp. 110–116, January–February, 1967.

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Izakson, V.Y., Sigaev, E.A. & Kolchanov, V.D. Improving the flow of liquid from a nozzle by inserting an air tube. Soviet Mining Science 3, 84–89 (1967). https://doi.org/10.1007/BF02497075

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  • DOI: https://doi.org/10.1007/BF02497075

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