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Computation of rarefied gaseous flows in micro to nano scale channels with slip to transient regimes using general second-order quadratic elements
, Article Proceedings of the 6th International Conference on Nanochannels, Microchannels, and Minichannels, ICNMM2008, 23 June 2008 through 25 June 2008, Darmstadt ; Issue PART A , 2008 , Pages 55-64 ; 0791848345 (ISBN); 9780791848340 (ISBN) ; Daghighi, Y ; Sharif University of Technology
2008
Abstract
A new finite-volume-based finite-element method using the quadratic elements is developed in the present study, to analyze the flow in micro and nano sizes with higher-order slip boundary conditions. The method is applied to gaseous flow in micro and nanoscale-channels. The developed method is carried out over a wide range of Knudsen numbers, which cover not only the continuum slip flow regime with 0≤Kn≤0.1 but also it entire the range of transient regime with 0.1