A calculation of the suction requirements to prevent boundary layer separation on a circular cyclinder Public Deposited

http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/9p290d63w

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  • An investigation was made to test the method of Head on the flow about a circular cylinder with suction. The method of Head is an approximate method of obtaining solutions to the boundary layer equations. The method was adapted to the digital computer to facilitate performing the calculations, and a variety of suction distributions were studied. In the cases where an exact solution of the boundary layer equations was available the results were compared. The method predicted a point of separation comparable to exact solutions for the case in which the suction velocity was zero. However, for the large suction velocities and large adverse pressure gradients associated with the circular cylinder, the method broke down. Enough information was obtained before breakdown to indicate that another approximate method due to Ando underestimates the suction required to prevent separation.
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  • File scanned at 300 ppi using Capture Perfect 3.0 on a Canon DR-9050C in PDF format. CVista PdfCompressor 5.0 was used for pdf compression and textual OCR.
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