Экспериментальное исследование гидродинамических процессов в топливных баках с капиллярными системами отбора жидкости

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Экспериментальное исследование гидродинамических процессов…
Инженерный журнал: наука и инновации # 1·2017 13
Experimental study of hydrodynamic processes
in propellant tanks with capillary systems of fluid extraction
© A.V. Novikov, A.V. Sukhov, E.A. Andreev
Bauman Moscow State Technical University, Moscow, 105005, Russia
The paper considers the procedure and specification of the experimental pendulous stand
equipment used for studying capillary phase separators in propellant tanks of liquid-fuel
rocket engines, which differ from the existing ones as it gives the opportunity to obtain
unambiguous initial boundary conditions in the nonlinear range of sloshing amplitudes.
It can also be used in complex propellant tanks. We analyze the operating principle of the
pendulous stand with a mounted model liquid tank based on the effect of stabilizing the
liquid surface in an upright attitude to the pendulum-supported axis during its oscilla-
tion. The description of measuring and recording systems is given based on the initial
measuring pressure converters, delta pressure and video recording. The obtained results
confirm the possibility of using both the experimental equipment and the model investiga-
tion procedure for designing inboard tank intakes of the prospective liquid-fuel rocket
engines.
Keywords: liquid-fuel rocket engines, capillary systems of fluid extraction, model tests,
weightlessness
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Novikov A.V., Cand. Sci. (Eng.), Department of Rocket Engines, Bauman Moscow State
Technical University. Research interests include experimental and theoretical studies of
fluid flow and gas in complex structural environments. e-mail: