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Rotorcraft application of advanced computational aerodynamicsThe objective was to develop the capability to compute the unsteady viscous flow around rotor-body combinations. In the interest of tractability, the problem was divided into subprograms for: (1) computing the flow around a rotor blade in isolation; (2) computing the flow around a fuselage in isolation, and (3) integrating the pieces. Considerable progress has already been made by others toward computing the rotor in isolation (Srinivasen) and this work focused on the remaining tasks. These tasks required formulating a multi-block strategy for combining rotating blades and nonrotating components (i.e., a fuselage). Then an appropriate configuration was chosen for which suitable rotor body interference test data exists. Next, surface and volume grids were generated and state-of-the-art CFD codes were modified and applied to the problem.
Document ID
19910006674
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Stanaway, Sharon (MCAT Inst. San Jose, CA, United States)
Date Acquired
September 6, 2013
Publication Date
January 1, 1991
Subject Category
Aerodynamics
Report/Patent Number
MCAT-91-001
NAS 1.26:187767
NASA-CR-187767
Accession Number
91N15987
Funding Number(s)
CONTRACT_GRANT: NCC2-579
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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