Complete Solution for Lifting Wings with Parabolic Tips

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Abstract:

A complete investigation of the solution for lifting wings with parabolic wing tips is presented. All the leading components of the tip pressure singularity are identified. Specific solutions differ from each other by the amplitudes of elements which converge to higher order at the tip the order of convergence of the specific components also is established. The model used in the analysis is the circular wing in incompressible flow, but the essence of the results is valid for wings of any aspect ratio. For the circular wing, several numerical solutions are given to high accuracy, and several conclusions of immediate technical interest are drawn. As a by-product of the analysis summation formulas for infinite progressions which involve the logarithm were developed.

Author(s):
Jordan, Peter F.
Author Organization(s):
MARTIN MARIETTA CORP BALTIMORE MD RESEARCH INST FOR ADVANCED STUDIES
Pagination:
0071

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release, Document Partially Illegible
Distribution Statement:
Availability: Document Partially Illegible.

RECORD

Collection: TR
Identifying Numbers
Report Number(s):
RIAS-TR-72-04C, AFOSR-TR-72-0814
Contract/Grant Number(s):
F44620-69-C-0096
Task Number(s):
978102
Project Number(s):
AF-9781
Monitor Series:
TR-72-0814, AFOSR
 Subject Terms
Joint Capability Areas:
JCA_5_Command and Control; JCA_5.3_Planning; JCA_1.2.5_Lessons Learned; JCA_5.5.2_Task; JCA_5.5_Direct; JCA_6_Net Centric
Communities of Interest:
C4I
Descriptor(s):
*AERODYNAMIC CONTROL SURFACES, MATHEMATICAL MODELS, FLOW FIELDS, AERODYNAMIC LOADING, SUBSONIC CHARACTERISTICS, STATISTICAL DISTRIBUTIONS, LIFT, DOWNWASH, ASPECT RATIO, CIRCULAR WINGS
Field(s)/Group(s):
Aerodynamics
Keyword(s):
PARABOLIC WING TIPS, SINGULARITIES
Report Date:
1972 Mar 01