Methodological foundations for ensuring aircraft flight safety under the influence of coherent vortex structures
This paper presents the methodological foundations for solving the problem of flight safety for tactical and operational aviation aircraft under the influence of coherent vortex structures in the atmosphere during the most critical flight phases: takeoff and landing at joint-use airfields (including group operations or operations from mountainous airfield), in-flight refueling, and group flight. The solution to this problem can be based on the following specific tasks: the formation of coherent vortex structures, their influence on aircraft aerodynamics, and the application of theoretical methods for assessing flight safety. The concepts of aircraft aerodynamic properties and the “Aircraft Aerodynamic Properties – Coherent Vortex Structures – Flight Safety” system are introduced. The performance indicators of the system’s components and their interrelationships within the system are specified. It is stated that the qualitative and quantitative values of these indicators are the basis for determining the conditions to ensure flight safety at an acceptable level. It has been proved that critical characteristics for tactical and operational aviation aircraft are the dependencies of the available intervention time and the roll moment reserve coefficient obtained under the influence of coherent vortex structures.