Automated system for three-dimensional layout and its application in the problems of prospective civil aircraft configuration design

DOI: 10.34759/vst-2022-3-41-55

Аuthors

Sonin O. V.

Central Aerohydrodynamic Institute named after N.E. Zhukovsky (TsAGI), Zhukovsky, Moscow region, Russia

e-mail: velomobil@yandex.ru

Abstract

The article recounts the technology of the fuselage internal layout by the automated system of three- dimensional layout for passenger aircraft (AVTOKOM) developed in TsAGI.

AVTOKOM allows forming passenger cabins and cargo bays of the fuselage with account for the specified comfort standards and safety requirements to the deployment of passenger seats, common and service premises, operational and emergency exits, luggage compartments etc. in both interactive and automatic modes.

The stages of fuselage layout by AVTOKOM are as follows:

1. Formation of typical elements that meet the specified standards and requirements.

2. Optimization of the cross section of the fuselage regular part.

3. Passenger and cargo decks layout.

4. Creating a parametric model of the fuselage outlines.

5. Three-dimensional surface model of the entire aircraft outlines.

6. Calculation of the center of mass of the elements comprising the layout.

7. Visualization of the studies results.

8. Output data formation for the subsequent calculations.

An iterative technology of passenger aircraft geometric model formation has been developed, on which basis further research in the areas of aerodynamic layout, structural strength and aircraft control systems are being conducted. As the result, the aircraft mathematical model that meets the layout requirements and numerous physical criteria is being formed.

The article presents the examples of the AVTOKOM application while performing the layout studies

of:

  – A long-haul aircraft with 200, 400 and 600, 800, 1000 and 1400 passenger capacity for medium and

long-haul airlines;

  – A long-haul aircraft concept with an integrated power plant;

  – A long-haul aircraft on liquid hydrogen fuel;

 – An aerospace plane with a capacity of 5-7 passengers.

As the result of these studies, the external geometric contours, layouts of passenger cabin and cargo bays of fuselages with elements of equipment and interior and specified nomenclature of service and cargo equipment, as well as layouts of the landing gear and fuel tanks have been formed. The article demonstrates that the standards of passenger comfort and safety requirements are met in all of the considered aircraft projects.

Keywords:

cross section of fuselage regular part, fuselage layout, AVTOKOM, external contours, passenger aircraft layout forming

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