Open Information and Computer Integrated Technologies

An analysis of the promising way to implement constructive technological solutions to combine the soundproofing functions of the passenger aircraft modification salon with the power structure of the fuselage is carried out. It is shown that constructive technological solutions aimed at implementing the principle of combining the functions of structural elements of nodes and aircraft units provide a decrease in their mass and value in the process of design, production and operation, as well as to increase other indicators of the efficiency of aircraft modifications of the transport category. At the same time, its special case is productive - the principle of functional summation of structural elements. An analysis of the multi-step path of promising combination of sound insulation functions of the modification of the aircraft and the power structure of its fuselage is carried out. As a first step, an analysis of the efficiency of combining the functions of the structural elements of the sample panel of the fuselage, consisting of a stringer dialing and a thin casing, fixed on the patchmosts. Replacing the three-layer stringer panel, in which the functions and trim functions are combined, ensures an increase in its carrier ability and a loss of mass. At the same time, the substitution of the material of the structural elements made of aluminum alloys on a polymer composite material reinforced with glass or carbon fibers leads to a known effects of effects and is the next step in implementing a multi-step path of combining functions. It is shown that an example of this path of combining the functions of structural elements is the creation of an experimental fuselage of the an aircraft an-2m three-layer design of fiberglass, which has ensured a decrease in mass by 62 kg or 14%. Examples of the results of experimental studies of other authors confirming the effectiveness of sound insulation in various versions of samples of three-layer panels with aggregate. The need for a long and volumetric process of research for implementation in promising modifications of aircraft principle of functional summation of the carrier body of the aircraft cabin with specific constructive-technological solutions of sound insulation, requiring solutions to the strength of structural elements and nodes of the modified fuselage, acoustics and optimization of properties that implement the modification of structural Materials, taking into account the economic efficiency of the analyzed constructive and technological solution.

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