Now showing items 1-6 of 6
Mathematical modeling of low-frequency pressure fluctuations in hydroturbine ducts
The results of the modeling of unsteady three-dimensional flows in the hydroturbine ducts of two high-head hydroelectric stations are presented. The flow structure behind the turbine wheel is analyzed and its effect on the ...
Mathematical Model and Numerical Simulation of Aluminum Casting and Solidification in Magnetic Fields with Allowance for Free Surface Dynamics
A complex mathematical model of aluminum casting and solidification in a variable electromagnetic field is constructed. The model is based on the solution of magnetohydrodynamic equations and the VOF method. Test results ...
Structural transformation between two cubic phases of (NH4)3SnF7
Reinvestigations of the room temperature structure of ammonium heptafluorostannate (NH4)(3)SnF7=(NH4)(2)SnF6 center dot NH4F = (NH4)(3)[SnF6]F by both powder and single crystal X-ray diffractions have revealed that its ...