Abstract
The article describes a technique that allows to form a planned projection of the aircraft using the minimum number of iterations (refinements based on aerodynamic and weight calculations results). The elements of the technique are described via example of the development (synthesis) of the layout scheme of a front-line aircraft with two engines and internal cargo compartments, performed according to the normal balancing scheme. Synthesis is carried out on the basis of certain predesign parameters, limitations, as well as solutions set by the designer, based on the analysis of parametric ratios and statistical dependencies.
Highlights
When synthesizing the aircraft layout scheme the designer must determine the so-called “layout field”
The formation of the planned aircraft projection is the first thing that traditionally starts the development of a geometric appearance
Splan determined by the condition of a predefined Sw and is a limitation precisely on the basis of not exceeding the recommended square of the wetting surface which simultaneously affects the weight and resistance of the aircraft
Summary
When synthesizing the aircraft layout scheme the designer must determine the so-called “layout field”. Such “layout field” at the initial stage of the aircraft’s geometric appearance formation is its planned projection which determines its bearing capacity, as well as the squares graph, which determines both the volume itself and the wave increase of the aircraft aerodynamic drag
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