Aerodynamic Characteristics of a 42 deg Swept-Back Wing with Aspect Ratio 4 and NACA 64-112 Airfoil Sections at Reynolds Numbers from 1.700,000 to 9,500,000

Abstract

Aerodynamic characteristics in pitch and yaw were investigated for swept-back wings at high Reynolds Numbers. Increasing Reynolds Number value delayed wing-stalling to higher angles of attack. Maximum lift coefficients at high Reynolds Number were about 1.1 without flaps and 1.3 with half-span split flaps deflected 60 deg. Abrupt tip stalling caused unstable changes in pitching moment at maximum lift. Effective dihedral parameter varied linearly with lift coefficient. Surface roughness produced adverse effects at high Reynolds Numbers.

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Document Details

Document Type
Technical Report
Publication Date
May 23, 1947
Accession Number
ADB809134

Entities

People

  • D. W. Conner
  • Robert H. Neely

Organizations

  • National Advisory Committee for Aeronautics

Tags

Communities of Interest

  • Air Platforms
  • Cyber

DTIC Thesaurus Topics

  • Aerodynamic Characteristics
  • Aeronautical Laboratories
  • Airfoils
  • Aspect Ratio
  • Boundary Layer
  • Coefficients
  • Flow
  • Fluid Dynamics
  • High Angles
  • Leading Edges
  • Reynolds Number
  • Roughness
  • Split Flaps
  • Stalling
  • Surface Properties
  • Surfaces
  • Sweptback Wings

Fields of Study

  • Physics

Readers

  • Aerodynamics/Aeronautics.