NDLI: An analytical investigation of wing-jet interaction

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An analytical investigation of wing-jet interaction

Content Provider	NASA Technical Reports Server (NTRS)
Author	Lan, E. C.
Copyright Year	1974
Description	The aerodynamic interaction between the wing and an inviscid jet with Mach number nonuniformity is formulated by using a two-vortex-sheet model for the jet. One of the vortex sheets accounts for the induced jet flow and the other the induced outer flow. No additional source distribution is needed for the jet at an angle of attack. The above problem is solved by satisfying the jet and wing tangency and the jet pressure-continuity conditions and using a quasi vortex lattice method for computing the induced flow field. The latter method is derived through theoretical consideration by properly accounting for singularities present in the equations and possesses the same simplicity and generality as the conventional vortex lattice method but has a better rate of numerical convergence. The resulting system of algebraic equations is solved by Purcell's vector method. The numerical formulation is first applied to the wing-slipstream interaction problem. Results for one centered-jet configuration are compared with those predicted by some existing theories.
File Size	2750578
Page Count	160
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19740013520
Archival Resource Key	ark:/13960/t6xw9670t
Language	English
Publisher Date	1974-04-01
Access Restriction	Open
Subject Keyword	Aerodynamics Numerical Analysis Jet Flow Vortex Lattice Method Wing Planforms Flow Distribution Slipstreams Inviscid Flow Mathematical Models Aerodynamic Characteristics Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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