Computations and turbulent flow modeling in support of helicopter rotor technology
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Computations and turbulent flow modeling in support of helicopter rotor technology

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Published by Engineering Research and Development Center, University of Nevada, National Aeronautics and Space Administration, National Technical Information Service, distributor in Reno, NV, [Washington, DC, Springfield, Va .
Written in English

Book details:

Edition Notes

Statementby William C. Rose
SeriesNASA contractor report -- NASA CR-177095
ContributionsUnited States. National Aeronautics and Space Administration
The Physical Object
Pagination1 v
ID Numbers
Open LibraryOL14982787M

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CFD- and CSD-Based Aeroelastic Computations of Helicopter Rotor Blades Using a Modular Approach Conference Paper June with 7 Reads How we measure 'reads'. Parallel Computational Fluid Dynamics Recent Developments and Advances Using Parallel Computers The numerical simulation of the compressible flow about a helicopter rotor is a particularly challenging problem for computational fluid dynamics (CFD) methods. The modeling of turbulent combustion and pollutant formation processes in. Advances in Transitional Flow Modeling: Applications to Helicopter Rotors Chunhua Sheng (auth.) This book provides a comprehensive description of numerical methods and validation processes for predicting transitional flows based on the Langtry–Menter local correlation-based transition model, integrated with both one-equation Spalart. A review of helicopter rotor blade tip design technology has been carried out with a view to undertaking subsequent computations to evaluate the performance of new tip designs. The review starts by briefly looking at (fixed) wing tip design concepts and the underlying fluid mechanics on which they are based in order to see if there is any carry Cited by:

The dynamic response of wind turbines to atmospheric turbulence is examined. The modeling handles both the wind inputs and the resulting loads using the analysis techniques of random vibration theory and spectral analysis. Presented are typical response results . Sponsoring Organization: Council for Advancement and Support of Education Date Obtained: Managing Technical Professionals & Organizations Sponsoring Organization: Massachusetts Institute of Technology Date Obtained: Chairing the Academic Department Sponsoring Organization: American Council on Education Date Obtained:   Abstract. This chapter presents numerical computations for floating offshore wind turbines for a machine of MW rated power. The rotors were computed using the Helicopter Multi-Block flow solver of the University of Glasgow that solves the Navier-Stokes equations in integral form using the arbitrary Lagrangian-Eulerian formulation for time-dependent domains with moving by: 1.   American Institute of Aeronautics and Astronautics Sunrise Valley Drive, Suite Reston, VA

where U rotor is the axial wind speed in the rotor plane, ω is the rotational speed, r is the local radius and ϕ is the local angle between the chord of the blade section and the rotor plane, considering both the pitch and the twist angles.. 3D C l Characteristics. In the proximity of the blade root, i.e., at r = R (), the experimental 3D C l characteristics are almost identical Cited by: Turbulent Flow (EOC ) 3 credits Prerequisites: PHZ , EOC and EOC An introduction to turbulent transport of momentum and heat, the dynamics of turbulence, wall-bounded shear flows, boundary-free shear flows, turbulent diffusion, shear flow dispersion. Corrosion 1 (EOC C) 3 credits Prerequisite: Graduate standing. My research interests fall in the area of numerical and physical simulation of flows. This is a broad area of research that includes computational fluid dynamics, computational aeroelasticity, aeroacoustics, flight dynamics, and design optimisation. My research outcomes can be exploited for the simulation and analysis of several flow cases. Whitfield, D. L., "Turbulent Flow Near a Wall Based on a Turbulent Kinetic Energy Equation," in Boundary Layer Effects-Proceedings of the 5th U.S. Air Force-Federal Republic of Germany Data Exchange Agreement Meeting, A.W. Fiore, Editor, AFFDL-TR, July , pp.