The invention relates to the technical field of aviation, in particular to a method and a system for predicting a wake flow safety area during pairing approaching of an aircraft, and the method comprises the steps: collecting pairing approaching environment parameters and front aircraft parameters; the paired approaching environment parameters and the front aircraft parameters are substituted into a preset wake flow dissipation model, the front aircraft tail flow dissipation condition is obtained, the wake flow dissipation model is constructed based on a wake flow model, and the wake flow model is constructed based on the distribution relation of the double-vortex intensity and the velocity field of the aircraft; the method comprises the following steps: acquiring rear aircraft parameters, judging a wake flow danger area by combining front aircraft tail flow dissipation conditions, respectively calculating displacement changes of the wake flow danger area caused by turbulent flow, ground effect and crosswind, acquiring evolution conditions of the wake flow danger area, and acquiring boundary changes of the wake flow danger area according to the evolution conditions; and calculating a paired approach wake flow interval based on the boundary change of the wake flow danger area, and obtaining a paired approach rear wake flow safety area. According to the method, the wake flow dangerous area can be quickly predicted and the wake flow interval can be calculated in the airplane pairing approach process.
本发明涉及航空技术领域,特别是涉及一种飞机配对进近尾流安全区域的预测方法及系统,方法包括:采集配对进近环境参数和前机参数;将配对进近环境参数和前机参数代入预设的尾流耗散模型中,获取前机尾流耗散情况,其中,尾流耗散模型基于尾流模型构建,尾流模型基于飞机的双涡强度和速度场的分布关系构建;采集后机参数并结合前机尾流耗散情况判断尾流危险区,分别计算湍流、地面效应和侧风引起的尾流危险区的位移变化,获取尾流危险区的演变情况,并根据演变情况获取尾流危险区的边界变化;基于尾流危险区的边界变化计算配对进近尾流间隔,获取配对进近后机尾流安全区域。本发明能够在飞机配对进近过程中进行尾流危险区快速预测和尾流间隔计算。
Prediction method and system for aircraft pairing approaching wake flow safety area
一种飞机配对进近尾流安全区域的预测方法及系统
2024-05-03
Patent
Electronic Resource
Chinese
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
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