Linear and Nonlinear PSE for Stability Analysis of The Blasius Boundary Layer Using Compact Scheme  

Oleh:

Sabetghadam, F. ; Hejranfar, K. ; Esfahanian, V.

Jenis: Article from Bulletin/Magazine
Dalam koleksi: Journal of Fluids Engineering vol. 123 no. 3 (2001), page 545-550.
Topik: BOUNDARY; PSE; stability; blasius boundary; layer; compact scheme

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: JJ89.2 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

A highly accurate finite - difference PSE code has been developed to investigate the stability analysis of incompressible boundary layers over a flat plate. The PSE equations are derived in terms of primitive variables and are solved numerically by using compact method. In these formulations, both non parallel as well as nonlinear effects are accounted for. The validity of present numerical scheme is demonstrated using spatial simulations of two cases ; two - dimensional (linear and non linear) Tollmien - Schlichting wave propagation and three - dimensional subharmonic instability breakdown. The PSE solutions have been compared with previous numerical investigations and experimental results and show good agreement.

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