Perturbed Motion of a Launch Vehicle’s Final Stage in Active Flight with Disposable Tanks

A method is proposed for determining the hydrodynamic coefficients in the equations of perturbed motion of a launch vehicle’s final stage in active portions of the flight. The coefficients are calculated by means of software simulating the perturbed motion. The calculated hydrodynamic coefficients a...

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Bibliographic Details
Published in:Russian engineering research 2021, Vol.41 (6), p.539-544
Main Authors: Sova, A. N., Sevast’yanova, T. V., Ermakov, V. Yu, Mazlumyan, G. S., Bykov, A. I.
Format: Article
Language:English
Subjects:
Engineering
Engineering Design
Hydrodynamic coefficients
Mathematical analysis
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Description
Summary:A method is proposed for determining the hydrodynamic coefficients in the equations of perturbed motion of a launch vehicle’s final stage in active portions of the flight. The coefficients are calculated by means of software simulating the perturbed motion. The calculated hydrodynamic coefficients are used to analyze the parameters of perturbed motion in active portions of the flight. They also permit selection of the coefficients in the control system.
ISSN:1068-798X
1934-8088
DOI:10.3103/S1068798X21060216