Accession Number:

AD0641337

Title:

THE INVERSE PROBLEM OF THE ANNULAR AIRFOIL AND DUCTED PROPELLER

Descriptive Note:

Research and development rept.

Corporate Author:

DAVID TAYLOR MODEL BASIN WASHINGTON DC HYDROMECHANICS LAB

Personal Author(s):

• Morgan, William B.
• Voigt, Robert G.

Report Date:

1966-09-01

Pagination or Media Count:

55.0

Abstract:

A computer program is presented that calculates the annular airfoil shape from a given pressure distribution. A brief review of the theory of the inverse problem of the annular airfoil is also presented. The distortion of the duct shape by the presence of an axisymmetric body or a propeller may be taken into consideration. Calculations show that for a given pressure distribution, the propeller loading and location affect the duct shape.

Descriptors:

• *SHROUD RINGS
• *MARINE PROPELLERS
• *SHROUDED PROPELLERS
• PRESSURE
• AIRFOILS
• LOADS(FORCES)
• DISTRIBUTION
• GEOMETRIC FORMS

Subject Categories:

• Marine Engineering

Distribution Statement:

APPROVED FOR PUBLIC RELEASE