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- Title
Prediction of inverted velocity profile for gas flow in nanochannel.
- Authors
Zhang, T. T.; Ren, Y. R.
- Abstract
Velocity inversion is an interesting phenomenon of nanoscale which means that the velocity near the wall is greater than that of center. To solve this problem, fluid flow in nanochannel attracts more attention in recent years. The physical model of gas flow in two-dimensional nanochannel was established here. To describe the process with conventional control equations, Navier-Stokes equations combined with high-order accurate slip boundary conditions was used as mathematical model. With the introduction of new dimensionless variables, the problem was reduced to an ordinary differential equation. Then it was analytically solved and investigated using homotopy analysis method (HAM). The results were verified by comparing with other available experiment data. Result shows that the proposed method could predict velocity phenomenon.
- Subjects
NANOSTRUCTURED materials; GAS flow; FLUID flow; PREDICTION theory; NAVIER-Stokes equations; PROBLEM solving
- Publication
Modern Physics Letters B, 2014, Vol 28, Issue 29, p-1
- ISSN
0217-9849
- Publication type
Article
- DOI
10.1142/S0217984914502273