Analysis and Comparison of Methods for Calculating the Aerodynamic Characteristics of a Subsonic Wing of Gliding Aircraft Weapons based on the Aerodynamic Characteristics of the Profile of this Wing

Abstract

The article discusses methodologies for calculating the aerodynamic characteristics of subsonic wings of gliding munitions based on the aerodynamic profile characteristics of these wings. It examines the formulas for converting the derivative of the lift coefficient of the profile to the derivative of the lift coefficient of the isolated wing. The dependencies for calculating the induced drag coefficient of a wing of finite aspect ratio are analyzed. A comparative analysis of methodologies and calculation results with numerical simulation outcomes for the flow around wings with asymmetric profiles of varying thicknesses is performed. The tool for conducting numerical simulations was hydrodynamic software that relies on integrating the Navier --- Stokes equations averaged over the Reynolds number. Assumptions included that the aerodynamic characteristic dependencies were analyzed at Mach numbers not exceeding critical values, within the linear range of angles of attack for the lift coefficient. Wings with various planform parameters featuring NACA2208 and NACA2215 profiles were considered. Based on the comparison results, conclusions were drawn regarding the applicability of mathematical dependencies for developing empirical-analytical methodologies for aerodynamic calculations of subsonic isolated wings of gliding aerial bombs. Such methodologies are applicable in the early design stages of subsonic aircraft

Please cite this article in English as:

Mikhaylov D.S., Tishchenko D.Yu., Lapteva L.A. Analysis and comparison of methods for calculating the aerodynamic characteristics of a subsonic wing of gliding aircraft weapons based on the aerodynamic characteristics of the profile of this wing. Herald of the Bauman Moscow State Technical University, Series Mechanical Engineering, 2026, no. 3 (158), pp. 17--37 (in Russ.). EDN: IDBNFR

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