Laser Ignition of Oxygen-Hydrocarbon Fuels in Rocket Engines

Rebrov, S. G.; Голубев, В. А.; Golikov, A. N.

doi:10.18698/0536-1044-2018-7-77-91

PoHEI.MB

2018

DOI: 10.18698/0536-1044-2018-7-77-91

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Laser Ignition of Oxygen-Hydrocarbon Fuels in Rocket Engines

S. G. Rebrov¹,

В. А. Голубев²,

A. N. Golikov³

Abstract: АннотацияРассмотрены этапы разработки лазерного зажигания топлива кислород-керосин применительно к ракетной технике. Приведены варианты конструкций и параметры систем лазерного зажигания для запальных устройств (ЗУ), ракетных двигателей малой тяги (РДМТ), модельных установок и камер сгорания (КС) ракетных двигателей (РД), а также особенности их использования, включая характеристики лазеров и параметры топливных смесей, обеспечивающие надежное зажигание топлива различного состава. Целью проведенных работ была р… Show more

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Experimental Studies of Rocket Fuels Oxygen--Hydrogen, Oxygen--Methane Ignition by a Semiconductor Laser

Rebrov¹,

Голубев²,

Golikov³

et al. 2021

HoBMSTU.SME

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The paper presents results of experimental studies aimed at introducing laser ignition of fuel mixtures into aero-space design practice. The source of ignition energy was a semiconductor laser featuring fibre radiation output, operating in a quasi-continuous wave mode. We carried out experiments for oxygen--hydrogen and oxygen--methane fuel types. The purpose of our research was to demonstrate the fundamental possibility of implementing fuel ignition by means of this type of laser, using a rocket engine igniter and a low-thrust rocket engine as examples. Employing semiconductor lasers directly as an ignition source for fuel mixtures in aerospace technology is attractive as it may feasibly reduce the requirements for thermal conditions during operation of the laser ignition system on board a rocket or spacecraft, as well as expand the range of permissible vibration and shock loads. The paper presents experimental results that delineate operating parameter ranges and operation cyclograms for the devices under consideration that ensured stable ignition of oxygen--hydrogen and oxygen--methane fuel mixtures; we also list the required power parameters for a semiconductor laser. The investigation revealed the specifics of using a semiconductor laser-based ignition system, which will be useful in developing laser rocket launching devices, ensuring reliable repeated on-off functionality

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Experimental Studies of Rocket Fuels Oxygen--Hydrogen, Oxygen--Methane Ignition by a Semiconductor Laser

Rebrov¹,

Голубев²,

Golikov³

et al. 2021

HoBMSTU.SME

View full text Add to dashboard Cite

show abstract

Laser Ignition of Liquid-Oxygen–Gaseous-Hydrogen Fuel in a Large-Scale Combustion Chamber

Rebrov¹,

Голубев²,

Kosmachev

et al. 2019

PoHEI.MB

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The article presents a review of the results of studies of laser ignition of a cryogenic mixture (gaseous hydrogen and liquid oxygen) in an experimental combustion chamber, carried out at the bench testing facility of KBKhA (Voronezh). A laser ignition module specially designed at the Keldysh Research Centre and with parameters optimized for use in the rocket engine launch system was used during the experiments. Fuel ignition by the laser system occurred directly in the experimental chamber without the use of an ignition device or pre-chamber. To implement this ignition method, inflammation of the fuel in the chamber was carried out by focusing the laser radiation into the mixture, with the initiation of a spark of optical breakdown in the selected area with conditions favorable for the start of combustion. The results of the experiments confirmed the efficiency of the laser module during both standalone and firing tests, including multiple launches of the propulsion unit operated on a cryogenic mixture (gaseous hydrogen and liquid oxygen).

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Laser Ignition of Oxygen-Hydrocarbon Fuels in Rocket Engines

Cited by 2 publications

References 3 publications

Experimental Studies of Rocket Fuels Oxygen--Hydrogen, Oxygen--Methane Ignition by a Semiconductor Laser

Experimental Studies of Rocket Fuels Oxygen--Hydrogen, Oxygen--Methane Ignition by a Semiconductor Laser

Laser Ignition of Liquid-Oxygen–Gaseous-Hydrogen Fuel in a Large-Scale Combustion Chamber

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