RU2012109080A - METHOD OF INFORMATION PROVISION OF VORTEX SAFETY OF FLIGHT OF AIRCRAFT - Google Patents

Abstract

1. A method for providing information on the vortex safety of flight of aircraft, characterized by the implementation of data transfer "board-to-board" and "board-to-air traffic control system (ATC)" in broadcast mode and / or in point-to-point mode with the transmission of information by each aircraft (Aircraft - by the generator) about the parameters of the vortex wake created by him, obtained by measuring and / or calculating the aircraft coordinate system of the aircraft - generator, receiving this information by each other aircraft and / or air traffic control system (hereinafter referred to as subscribers) located in the zone the availability of the transmitter of the corresponding LA generator, the subsequent calculation in the coordinate system of the LA subscribers of the effects of the vortex wake and the analysis of this information by the LA subscribers, and such information in the aircraft coordinates of the aircraft as the location of the LA generator and the category are included in the transmitted information of the LA generator its transmitter, the speed and course of the LA generator, its weight and time of transmission of information to it, atmospheric turbulence data, wind speed and direction, temperature and barometric pressure, and information-gathering LA subscribers evaluate the possibility of passing through the vortex wake created by the LA generator, and, if necessary, measure the atmospheric characteristics and / or take into account the data received from the air traffic control system necessary for the appropriate calculation of the vortex wake and / or take into account the atmospheric characteristics taking into account the variability of gusts of wind and / or turbulence, the parameters of the vortex wake are determined taking into account the drift of the vortex wake, including taking into account the influence of stochastic atmospheric effects

Claims (5)

1. A method for providing information on the vortex safety of flight of aircraft, characterized by the implementation of data transfer "board-to-board" and "board-to-air traffic control system (ATC)" in broadcast mode and / or in point-to-point mode with the transmission of information by each aircraft (Aircraft - by the generator) about the parameters of the vortex wake created by him, obtained by measuring and / or calculating the aircraft coordinate system of the aircraft - generator, receiving this information by each other aircraft and / or air traffic control system (hereinafter referred to as subscribers) located in the zone the availability of the transmitter of the corresponding LA generator, the subsequent calculation in the coordinate system of the LA subscribers of the effects of the vortex wake and the analysis of this information by the LA subscribers, and such information in the aircraft coordinates of the aircraft as the location of the LA generator and the category are included in the transmitted information of the LA generator its transmitter, the speed and course of the LA generator, its weight and time of transmission of information to it, atmospheric turbulence data, wind speed and direction, temperature and barometric pressure, and information-gathering LA subscribers evaluate the possibility of passing through the vortex wake created by the LA generator, and, if necessary, measure the atmospheric characteristics and / or take into account the data received from the air traffic control system necessary for the appropriate calculation of the vortex wake and / or take into account the atmospheric characteristics taking into account the variability of gusts of wind and / or turbulence, the parameters of the vortex wake are determined taking into account the drift of the vortex wake, including taking into account the influence of stochastic atmospheric effects minutes, e.g., wind gusts and / or turbulences. 2. The method of information support for the vortex safety of an aircraft flight according to claim 1, characterized in that the amount of circulation created by the aircraft as a vortex wake generator is determined from the relation: G (t) = 4Ge ^-tσ _T ^{/ L} / πρVL, where ρ is the air density, V is the flight speed, L is the wing span of the aircraft, G is the weight of the aircraft, σ _T is the standard deviation of the wind speed. 3. The method of information support for the vortex safety of an aircraft flight according to claim 1, characterized in that the drift of the vortex wake due to the influence of wind in free space is determined by the ratios z _1,2 (t) = ± 1/2 + W _z t; y _1,2 (t) = W _y t, where z _1,2 (t) and y _1,2 (t) are the corresponding coordinates (the mathematical expectation of the position of the corresponding coordinates), W _z and W _y are the average wind speed. 4. The method of information support for the vortex flight safety of an aircraft according to claim 1, characterized in that the demolition of the vortex wake due to the influence of wind in the area of influence of the underlying surface is determined by the ratios z _1,2 (t) = ± Δz (t) / 2 + W _z t, where Δz (t) is the distance (the mathematical expectation of the distance) between the diverging vortices, and the remaining notations correspond to the ones written earlier. 5. The method of information support for the vortex safety of an aircraft flight according to claim 1, characterized in that the standard deviation (RMS) of the drift of the vortex wake is determined from the expression: $${\sigma }_r=1.22{\sigma }_T\sqrt{{\tau }_{t}t},$$

here τ _t = L _t / W is the time scale of turbulence, L _t is the spatial scale of turbulence, W is the average wind speed, and $$W=\sqrt{\Sigma W{i}^2}$$

, where i = x, y, z, and the remaining notation corresponds to the ones written earlier.