Combustion dynamics in cryogenic rocket engines: Research programme at DLR Lampoldshausen

JS Hardi, T Traudt, C Bombardieri, M Börner… - Acta Astronautica, 2018 - Elsevier
Abstract The Combustion Dynamics group in the Rocket Propulsion Department at the
German Aerospace Center (DLR), Lampoldshausen, strives to advance the understanding …

Laser ignition of a multi-injector LOX/methane combustor

M Börner, C Manfletti, J Hardi, D Suslov, G Kroupa… - CEAS Space …, 2018 - Springer
This paper reports the results of a test campaign of a laser-ignited combustion chamber with
15 shear coaxial injectors for the propellant combination LOX/methane. 259 ignition tests …

Injector-coupled thermoacoustic instabilities in an experimental LOX-methane rocket combustor during start-up

S Klein, M Börner, JS Hardi, D Suslov, M Oschwald - CEAS Space Journal, 2020 - Springer
This paper reports the investigation of acoustic combustion instability experienced during
repetitive ignition testing of a sub-scale LOX-methane rocket thrust chamber. The …

Conceptual Design of Small-Sized Thruster Using Laser Ignition of High-Energy Monopropellant

N Itouyama, A Wada, H Habu, Y Sago - Journal of Propulsion and …, 2023 - arc.aiaa.org
Ammonium dinitramide (ADN)-based energetic ionic liquid propellants (ADN-EILPs) present
considerable potential as monopropellants due to high energy density, high …

A miniaturized high energy laser for ignition of rocket engines

G Kroupa, M Börner - International Conference on Space …, 2019 - spiedigitallibrary.org
During the last years the CTR HiPoLas ignition system, originally developed for the ignition
of automotive engines, has reached a sufficiently high level of stability and miniaturization to …

Comparison of laser ignition and torch ignition in a subscale rocket combustor

M Börner, C Manfletti, J Hardi, D Suslov… - 2018 Joint Propulsion …, 2018 - arc.aiaa.org
R ignition of the combustion chamber is essential for the functioning of a rocket engine and
in consequence for the complete launcher system. A failed ignition leads to the loss of the …

Experimental study of a laser ignited thruster with a porous injector head

M Börner, JC Deeken, C Manfletti… - International Journal of …, 2018 - dl.begellhouse.com
This paper reports the investigation of the laser ignition of a breadboard thruster with a
porous injector head. Ignition tests were performed for 80 and 980 mbar combustion …

Study on ignition process of air/liquid oxygen/ethanol tripropellant coaxial jets in a subscale air heater

C Shen, L Yuan - Acta Astronautica, 2019 - Elsevier
Up to the present, no studies have been published to investigate the ignition process in air
heater. In this paper, spray combustion flow field during ignition process in air heater was …

[PDF][PDF] Laser ignition of a multi-injector research combustion chamber under high altitude conditions

M Börner, C Manfletti, G Kroupa, M Oschwald… - … for Aeronautics and …, 2017 - eucass.eu
In order to investigate into the laser ignition process for a multi-injector configuration under
low pressure conditions, a test campaign at the M3. 1 test bench of the DLR Institute of …

Laser Ignition of Cryogenic Propellants in Space Propulsion

R Stützer, M Börner, M Oschwald - CLEO: Applications and …, 2019 - opg.optica.org
Laser Ignition of Cryogenic Propellants in Space Propulsion Page 1 AW3I.7.pdf CLEO 2019 ©
OSA 2019 Laser Ignition of Cryogenic Propellants in Space Propulsion Robert Stützer …