COMPARISON OF THE AERODYNAMIC BLOWDOWN COEFFICIENTS WITH THEIR FLIGHT ESTIMATES IN THE LONGITUDINAL MOTION OF THE AIRCRAFT

Cover Page

Cite item

Full Text

Open Access Open Access
Restricted Access Access granted
Restricted Access Subscription or Fee Access

Abstract

The problem of comparing estimates of aerodynamic coefficients calculated from flight data with similar coefficients from the aerodynamic characteristics bank is investigated. A method for calculating optimal estimates of coefficients closest to the purge data is proposed, and its properties are established. The method has been tested on short-range aircraft flight data in longitudinal motion. A good mutual correspondence of flight and purge coefficients is shown.

About the authors

O. N. Korsun

State Research Institute of Aviation Systems; Moscow Aviation Institute, National Research University

Email: Owcharenko.V@yandex.ru
Moscow, Russia; Volokolamskoye Highway, Moscow, Russia

V. N. Ovcharenko

Moscow Aviation Institute, National Research University

Email: Owcharenko.V@yandex.ru
Volokolamskoye Highway, Moscow, Russia

B. K. Poplavsky

Moscow Aviation Institute, National Research University

Author for correspondence.
Email: Owcharenko.V@yandex.ru
Volokolamskoye Highway, Moscow, Russia

References

  1. Эйкхов П. Основы идентификации систем управления. М.: Мир, 1975.
  2. Гроп Д. Методы идентификации систем. М.: Мир, 1979.
  3. Ефремов А.В., Захарченко В.Ф., Овчаренко В.Н. и др. Динамика полета. М.: Машиностроение – Полет, 2017.
  4. Овчаренко В.Н. Аэродинамические характеристики летательных аппаратов: идентификация по полетным данным. М.: ЛЕНАНД, 2019.
  5. Обзор. Применение свободно летающих моделей для исследования динамики полета. ЦАГИ, ОНТИ, 1971. № 352.
  6. Аэродинамика, устойчивость и управляемость сверхзвуковых самолетов/ Под ред. акад. РАН Г.С. Бюшгенса. М.: Наука, Физматлит, 1998.
  7. Аэродинамика и динамика полета магистральных самолетов/ Под ред. акад. РАН Г.С. Бюшгенса. М.: АВИА – Изд. КНР, 1995.

Supplementary files

Supplementary Files
Action
1. JATS XML

Copyright (c) 2025 Russian Academy of Sciences