Multidisciplinary CFD/CSD Analysis of the Smart Active Flap Rotor

Abstract

To address the complex multidisciplinary nature of rotorcraft analysis, high-fidelity computational fluid and structural dynamics models have been developed and coupled for an advanced technology active rotor. Significant advancements have been made in both modeling disciplines to allow for complex bearingless flapped rotors. Comparisons are made between CFD/CSD and comprehensive (lifting-line, free-wake) analyses and experimental data for the Boeing SMART rotor. Flap phase sweeps for 0, 2, 3, 4, and 5/rev flap inputs are investigated in relation to the zero flap deflection baseline at a nominal cruise condition. Changes in performance, aerodynamic and structural loads, control power, and noise are studied. Details of the high-fidelity flowfield solution, including flap gap effects and wake visualizations, are also presented.

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Document Details

Document Type
Technical Report
Publication Date
May 01, 2010
Accession Number
ADA560025

Entities

People

  • Arsenio Dimanlig
  • Mark Potsdam
  • Mark V. Fulton

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Airfoils
  • Computational Fluid Dynamics
  • Experimental Data
  • Flow
  • Fluid Dynamics
  • Fluid Flow
  • Frequency
  • Geometry
  • Helicopters
  • Leading Edges
  • Physics
  • Rotary Wing Aircraft
  • Structural Loads
  • Three Dimensional
  • Trailing Edges
  • Wind Tunnel Tests
  • Wind Tunnels

Fields of Study

  • Physics

Readers

  • Aerodynamics/Aeronautics.
  • Aerospace Engineering
  • Computational Fluid Dynamics (CFD)