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Journal of Mechanical Science and Technology

, Volume 32, Issue 12, pp 5697–5702 | Cite as

Cavitation–silt erosion in sand suspensions

  • Yu Wang
  • Jianhua Wu
  • Fei Ma
Article
  • 29 Downloads

Abstract

Cavitation–silt erosion in sand suspensions has elicited research attention. However, erosion characteristics in various conditions of liquids remain unknown due to their complex mechanisms. Thus, the effects of sand size, concentration, and temperature of sand suspensions on cavitation–silt erosion and viscosity were experimentally investigated in the present work. The findings proved the existence of critical sand size. The silt–cavitation erosion decreased with the increase of sand concentration when the sand was smaller than the critical size, and it increased with the increment of the sand size and temperature. A good relationship between the viscosity and the sand size, concentration, and temperature was determined. Moreover, the cavitation–silt erosion mechanisms were obtained on the basis of the viscosity and impingement erosion analysis standpoint.

Keywords

Cavitation–silt erosion Sand suspensions Viscosity Sand size Sand concentration 

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Copyright information

© The Korean Society of Mechanical Engineers and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.College of Water Conservancy and Hydropower EngineeringHohai UniversityNanjingChina

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