Analysis of wings with multi-segmented flaps using a non-planar vortex lattice method

Ramamurthy, Rajeswari S and Dutt, HNV and Holla, VS and Swamy, MS (1994) Analysis of wings with multi-segmented flaps using a non-planar vortex lattice method. ZFW - Zeitschrift fuer Flugwissenschaften und Weltraumforschung., 18 (2). pp. 145-151. ISSN 0342-068X

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Abstract

An important problem of analysis of complex wing planforms with multisegmented is addressed. Nonplanar vortices are used to simulate the wing incidence and camber effects, whereas thickness effects are incorporated using constant source flat panels.Important aspects of the current work are modeling of flow near wing-flap junctures,use of symmetrical singularity for calculating the strengths of the thickness sources,and efficient programming,which is a prerequisite while using nonplanar vortices and a versatile geometric package which generates automatically optimum lattice layout for rapid numerical convergence. The method was validated against a number of test cases for which results are available from experiments and other theories.

Item Type: Journal Article
Uncontrolled Keywords: Wing flaps;Vortex lattice method;Wing planforms;Aerodynamic characteristics;Convergence;Flight envelopes;Thickness ratio
Subjects: AERONAUTICS > Aeronautics (General)
Division/Department: Centre for Civil Aircraft Design and Development, Centre for Civil Aircraft Design and Development, Other, Centre for Civil Aircraft Design and Development
Depositing User: M/S ICAST NAL
Date Deposited: 26 Mar 2008
Last Modified: 24 May 2010 09:55
URI: http://nal-ir.nal.res.in/id/eprint/4374

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