GENERAL HARMONIC SOLUTIONS FOR THE DUCTED PROPELLER

Abstract

General harmonic solutions have been found for the camber problem of a ducted propeller with finite blade number in uniform motion at zero incidence. The fluid is assumed inviscid and incompressible. Principal attention is focused on the zeroth harmonic based on a successive iteration of the two-dimensional or sectional Glauert coefficients. In matrix form, the speed of convergence and identification of the limit are studied. Appropriate tables for typical shrouds are provided together with an illustrative example. Both the iteration procedure and direct simultaneous inversion yield solutions for the higher harmonics.

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Document Details

Document Type
Technical Report
Publication Date
Aug 01, 1961
Accession Number
AD0269758

Entities

People

  • D. E. Ordway
  • M. D. Greenberg

Tags

Communities of Interest

  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Differential Equations
  • Eigenvalues
  • Equations
  • Flow
  • Fourier Series
  • Government Procurement
  • Integral Equations
  • Kernel Functions
  • Legendre Functions
  • Linear Differential Equations
  • Pressure Distribution
  • Radial Velocity
  • Ring Wings
  • Shrouded Propellers
  • Three Dimensional
  • Trailing Edges
  • Two Dimensional

Fields of Study

  • Mathematics
  • Physics

Readers

  • Aerospace Engineering
  • Electromagnetic Wave Scattering and Antenna Radiation Engineering
  • Structural Dynamics.