The mathematical model of hydrodynamics motion of two phase ascending flow in pneumatic classifiers of variable cross-section

2016 ◽  
Vol 0 (25 (1197)) ◽  
pp. 113
Author(s):  
Andrii Lytvynenko ◽  
Mykola Yukhymenko
Keyword(s):  
Mathematical Model ◽  
Cross Section ◽  
Variable Cross Section ◽  
Variable Cross ◽  
Two Phase ◽  
The Mathematical Model

scholarly journals The mathematical model and numerical approach based on ENO schemes for the flows in variable cross-section channels with combustion

2016 ◽  
pp. 1-20
Author(s):  
Ekaterina Vladimirovna Borovik ◽  
Mikhail Mikhailovich Krasnov ◽  
Yuri Germanovich Rykov ◽  
Dmitriy Konstantinovich Shalyga
Keyword(s):  
Mathematical Model ◽  
Cross Section ◽  
Numerical Approach ◽  
Variable Cross Section ◽  
Variable Cross ◽  
Eno Schemes ◽  
The Mathematical Model

Three-Dimensional Force and Deflection Analysis of a Variable Cross Section Drill String

1977 ◽  
Vol 99 (2) ◽  
pp. 367-373 ◽  
Author(s):  
B. H. Walker ◽  
M. B. Friedman
Keyword(s):  
Mechanical Properties ◽  
Mathematical Model ◽  
Cross Section ◽  
Three Dimensional ◽  
Variable Cross Section ◽  
Drill String ◽  
Oil Field ◽  
Variable Cross ◽  
Deflection Curve ◽  
Deflection Analysis

A mathematical model of an oil field drill string which includes the effect of torque has been developed. The drill string can include arbitrary members with known mechanical properties. The solution gives the three-dimensional deflection curve, forces on the borehole wall, the magnitude and direction of the resultant force and slope of the deflection curve at the bit.

scholarly journals Re-Reflection Effect On Shock Waves in Two-Phase Flows through a Tube of Variable Cross-Section

2018 ◽  
Vol 3 (12) ◽  
pp. 67-73
Author(s):  
Kanti Pandey
Keyword(s):  
Cross Section ◽  
Volume Fraction ◽  
Particle Volume Fraction ◽  
Variable Cross Section ◽  
Variable Cross ◽  
Reflection Effect ◽  
Two Phase Flows ◽  
Particle Volume ◽  
Two Phase ◽  
Cross Sectional

In present paper Re-reflection  effect on  shock –waves in two-phase flows through a tube of variable cross-section is considered when particle  volume fraction appeared as an additional variable .It is concluded that re-reflected effects reduce the cross sectional  area .For two-phase flows when equilibrium is eventually established , presence of particle volume fraction , further reduce  the cross – sectional area. One dimensional area relation for a non – uniform , steady flow ahead of a shock   is obtained and concluded that  all the results are valid for the case   when  direction of the shock motion and the gas flow ahead of the  shock is same  .  In preparation of graphs Mathematica 7 is used .

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