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Analyses Hydrodynamic Structure of Cross Water Jet and Its Performance of Soil Improvement

[+] Author Affiliations
Mitsuhiro Shibazaki, Hiroshi Yoshida

Chemical Grouting Company, Ltd.

Kenji Yoshida, Isao Kataoka

Osaka University, Osaka, Japan

Kiyoshi Horii

Shirayuri Women’s University

Paper No. FEDSM2005-77383, pp. 361-367; 7 pages
  • ASME 2005 Fluids Engineering Division Summer Meeting
  • Volume 2: Fora
  • Houston, Texas, USA, June 19–23, 2005
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 0-7918-4199-5 | eISBN: 0-7918-3760-2
  • Copyright © 2005 by ASME


Analyses of water jet based on two-fluid model of two-phase dispersed flow have been carried out for single water jet and cross water jet in relation to the water jet technology in civil engineering. Mass and momentum conservation equations for liquid phase (droplet) gas phase (air) were formulated separately (two-fluid model formulation). Physical modeling of diffusion of droplets, drag coefficient of droplet in dispersed flow, shear stress at jet interface, etc has been carried out in detail and constitutive equations for these physical phenomena have been developed. Based on the two-fluid model basic equations and constitutive equations, one-dimensional analysis has been carried out considering simplified mode and hydrodynamic structure of water jet was well predicted. In the practical application of present analyses, some preliminary analyses on cross jet where two water jets collide with certain collision angles have been carried out and the predicted results reasonably explain the experimental results.

Copyright © 2005 by ASME
Topics: Soil , Water



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