✦ LIBER ✦

An improved Navier-Stokes/full-potential coupled analysis for rotors

✍ Scribed by C.R. Berezin; L.N. Sankar

Book ID: 103929223
Publisher: Elsevier Science
Year: 1994
Tongue: English
Weight: 712 KB
Volume: 19
Category: Article
ISSN: 0895-7177
DOI: 10.1016/0895-7177(94)90061-2

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✦ Synopsis

An existing tightly coupled Navier-Stokes/full-potential rotor code haa been improved and extended for forward flight rotor cases. The solver attempts to predict flow fields with the fidelity of a standalone Navier-Stokes solver but with reduced computer time requirements. The method consists of a Navier-Stokes inner region near the blade and wake surrounded by a full-potential outer region. The two regions are coupled through boundary conditions. The solver has been applied to a model UH-6OA forward flight case. The effects of control positions, blade elastic deformations, and the far wake were accounted for by using a loose coupling with a comprehensive rotor code. Surface pressure comparisons between the present code, a standalone Navier-Stokes solver, and experimental data are presented.

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