TRENDS IN DEVELOPMENT OF OPERATIONAL- TACTICAL MILITARY TRANSPORT PLANES

А. В. Лось, В. Ф. Шмырёв, В. И. Рябков

Abstract


The existence of operational-tactical military transport aircraft (MTA) is due to the increase in the size and weight of modern military equipment, as well as the inability of the armed forces to solve their tasks without the use of such MTA, on the one hand. On the other hand, the high cost of using heavy transport aircraft in local airmobile operations and the inability of heavy military-technical vehicles to work in the combat zone, primarily due to restrictions imposed by the length and condition of base airfields. An analysis of the development trends regarding operational tactical military transport aircraft has shown that the unique Ukrainian operational tactical aircraft outperforms its following competitors in terms of basic parameters: the American S- 130J-30, the Brazilian KC-390, the West European A400M and the Japanese C-2, but is worse in regard to cruising speed and combat readiness in comparison with the C-2 airplane. Also, the aircraft has a certificate for noise on the ground only according to Chapter 3 of ICAO Appendix 16. Complete superiority of the An-77 aircraft can only be achieved by deep modification changes in the power plant and reducing the wing inductive drag. To do this, a series of works on the use of high-pressure turbojet engines instead of a high-pressure engine has to be done, and at the same time takeoff-landing characteristics (TLC) have to be maintained by searching for the relative position of the engine and the wing with the maximum use of string rotation due to wing high-lift devices. Also use of geometric twisting of the local chords requires study and experimental confirmation in order to reduce the wing inductive resistance. Scientific provisions on changing the wing geometry, replacing the main engines, as well as on the use of models for reconciling deep modification changes in the wing geometry and power plant were the basis for designing a modification of the operational-tactical military transport aircraft.


Keywords


operational-tactical military transport aircraft, military-technical cooperation, development trends, modification changes

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DOI: https://doi.org/10.32620/oikit.2020.87.03

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