Experimental Study of the Working Process in Liquid Rocket Engines by an Electrophysical Diagnostic Method

An experimental study of the self electromagnetic field generated by the low-temperature plasma of the fuel combustion products of a model liquid-propellant rocket engine is carried out. The fuel components were gaseous oxygen and ethyl alcohol. When modeling emergency situations in the operation of...

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Veröffentlicht in:Technical physics 2020-08, Vol.65 (8), p.1239-1245
Hauptverfasser: Bobrov, A. N., Rudinskii, A. V., Pushkin, N. M., Safonova, D. B., Yagodnikov, D. A.
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container_end_page 1245
container_issue 8
container_start_page 1239
container_title Technical physics
container_volume 65
creator Bobrov, A. N.
Rudinskii, A. V.
Pushkin, N. M.
Safonova, D. B.
Yagodnikov, D. A.
description An experimental study of the self electromagnetic field generated by the low-temperature plasma of the fuel combustion products of a model liquid-propellant rocket engine is carried out. The fuel components were gaseous oxygen and ethyl alcohol. When modeling emergency situations in the operation of the model rocket engine, the intensity of its self electromagnetic field generated by the ionized products of fuel combustion was recorded. A linear dependence of the self magnetic field strength on the pressure in the combustion chamber in the range 2.2–3.5 MPa was established. The feasibility of noncontact electrophysical methods for diagnosing the working process in aircraft power plants using as a useful signal the value of the magnetic field strength is shown.
doi_str_mv 10.1134/S1063784220080034
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subjects Aircraft power supplies
Classical and Continuum Physics
Combustion
Combustion chambers
Combustion products
Diagnostic systems
Electromagnetic fields
Electromagnetism
Emergency procedures
Ethanol
Field strength
Fuel combustion
Liquid propellant rocket engines
Low temperature
Magnetic fields
Methods
Physics
Physics and Astronomy
Plasma
Rockets
Signal processing
Spacecraft components
title Experimental Study of the Working Process in Liquid Rocket Engines by an Electrophysical Diagnostic Method
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