scholarly journals Linear stability analysis of miscible two-fluid flow in a channel with velocity slip at the walls

2014 ◽  
Vol 26 (1) ◽  
pp. 014107 ◽  
Author(s):  
Sukhendu Ghosh ◽  
R. Usha ◽  
Kirti Chandra Sahu
Keyword(s):  
Fluid Flow ◽  
Stability Analysis ◽  
Linear Stability ◽  
Linear Stability Analysis ◽  
Velocity Slip ◽  
Two Fluid

scholarly journals Double-diffusive two-fluid flow in a slippery channel: A linear stability analysis

2014 ◽  
Vol 26 (12) ◽  
pp. 127101 ◽  
Author(s):  
Sukhendu Ghosh ◽  
R. Usha ◽  
Kirti Chandra Sahu
Keyword(s):  
Fluid Flow ◽  
Stability Analysis ◽  
Linear Stability ◽  
Linear Stability Analysis ◽  
Two Fluid ◽  
Double Diffusive

A Linear Stability Analysis for an Improved One-Dimensional Two-Fluid Model

2003 ◽  
Vol 125 (2) ◽  
pp. 387-389 ◽  
Author(s):  
Jin Ho Song
Keyword(s):  
Stability Analysis ◽  
Linear Stability ◽  
Linear Stability Analysis ◽  
Fluid Model ◽  
Two Phase ◽  
One Dimensional ◽  
Proposed Model ◽  
Two Fluid Model ◽  
The One ◽  
Two Fluid

A linear stability analysis is performed for a two-phase flow in a channel to demonstrate the feasibility of using momentum flux parameters to improve the one-dimensional two-fluid model. It is shown that the proposed model is stable within a practical range of pressure and void fraction for a bubbly and a slug flow.

Non-linear stability analysis of two-layered porous journal bearings with velocity slip and percolation effect of additives of coupled-stress lubricant

2020 ◽  
Vol 235 (1) ◽  
pp. 46-60
Author(s):  
Shitendu Some ◽  
Sisir K Guha
Keyword(s):  
Stability Analysis ◽  
Linear Stability ◽  
Linear Stability Analysis ◽  
Journal Bearing ◽  
Velocity Slip ◽  
Operating Conditions ◽  
Graphical Form ◽  
Non Linear ◽  
Percolation Effect ◽  
Coupled Stress

In this paper a non-linear stability analysis of the two-layered porous journal bearing under coupled-stress lubricant has been presented with velocity slip phenomenon and additive’s percolation effect. In this non-linear transient analysis, system stability is determined by tracing the locus of the journal center and various trajectories of journal center locus have been represented in graphical form for different operating conditions. Furthermore, stability characteristics in respect of critical mass parameter and whirl ratio have been studied under various parametric conditions and a comparison between the linear and non-linear stability analysis have been demonstrated. To acquire the non-dimensional pressure values, non-dimensional transient Reynolds equation has been solved and with these pressure values, bearing load carrying capacity are derived. Fourth order Runge-Kutta method is used to solve the second order equations of motion for journal bearing system to obtain the stability characteristics. Results of this analysis may be helpful for designing such bearings.

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