The linearity of calibration curve provided by SEKI was similar to that offered by non-bias hydrodynamic injection (HDI) but significantly better than that obtained by EKI.
Based on the variational constraint approach, the variational form of Reynolds equation in hydrodynamic lubrication is revised continuously to satisfy certain constraints in the cavitation zone of oil film field.
In the present study, a computational analysis has been made to investigate the fluid dynamic aspects of the compression process in the pump tube of a ballistic range and to assess how it affects the performance of the ballistic range.
We have derived empirical relationships between the jet trajectory and the gas-concentration distribution along that trajectory in their dependence on the hydrodynamic parameter.
In this paper, formulas to calculate the lift, drag and moment coefficients of a supereavitating circular arc hydrofoil with zero thickness are derived by using the linearized theory developed by Geurst. Similar to the method used in aerodynamics, we integrate the Cauehy type integral in Geurst solution by means of contour integral, the velocity field of a circular arc hydrofoil can be represented analytically. The complex velocity w(z) is then expended into Laurent series and if the coefficients of the fir...
In this paper, we have generalized the "Prago-Figiaivsky's" wing theory of small aspect ratio, have established the formulas of the coefficients of normal force, induced resistance and the center of pressure. We have also suggested a way to evaluate the lower limit of the critical angle of attack. After re-calculating the hydrodynamic forces of a rectangular plate, we have applied this method to rudder behind the ship and propeller. Results are in agreement with the known experimental or theoretical results.
This paper presents a practical calculative method for accurately evaluating the characteristics of magnetohydrodynamic pump ship propulsion.Authors base on ref.[3], but consider effects of more factors, such as the edge effect of the electric and the magnetic fields, wake refrigerative power needed to maintain superconducting state, and sea-water regarded to be non-rigid body.Furthermore, in this paper, general differential equations and its solutions of two dimensional MHD flow along the rectangular canal...