Flame dynamics of an injection element operated with LOX/H2, LOX/CNG and LOX/LNG in a sub- and supercritical rocket combustor with large optical access

J Martin, W Armbruster, R Stützer… - … Journal of Spray …, 2023 - journals.sagepub.com
Hot fire tests were performed using a single-injector research combustor featuring a large
optical access window (255× 38 mm) for flame visualisation. Three test campaigns were …

Experimental investigation of flame anchoring behavior in a LOX/LNG rocket combustor

J Martin, M Börner, J Hardi, D Suslov, M Oschwald - Aerospace, 2023 - mdpi.com
Hot fire tests of a multi-injector research combustor were performed with liquid-oxygen and
liquefied-natural-gas (LOX/LNG) propellants at chamber pressures from 30 up to 67 bar …

[HTML][HTML] Structure of rotating detonation in mixtures of natural gas and oxygen

Q Michalski, R Aliakbari, N Mason-Smith, N Paull… - Combustion and …, 2024 - Elsevier
The rotating detonation combustor is investigated as a potential implementation of pressure-
gain combustion. Achieving net pressure-gain has proven to be extremely challenging in …

“The Design and Optimization of Fire Protection Processes”

I Markova, A Bernatík - Processes, 2023 - mdpi.com
This Special Issue, entitled “The Design and Optimization of Fire Protection Processes”, has
been created to help readers gain new insights into the field of fire protection. The world's …

Liquid Oxygen/Gaseous Methane Single-Element Shear Coaxial Flame Dynamics

M Roa, DG Talley, R Munipalli - Journal of Propulsion and Power, 2024 - arc.aiaa.org
An experimental study was conducted to visualize the dynamics and spectra of single-
element shear coaxial liquid oxygen (LOX)/gaseous methane flames at high but still …

[PDF][PDF] Experimental Investigation of a Small-Scale Oxygen-Hydrogen Rotating Detonation Combustor

W Armbruster, BS Hermannsson, M Börner… - … Symposium on Space …, 2023 - elib.dlr.de
The maximum attainable thermal efficiency of conventional rocket combustion devices is
limited by the ideal Brayton-Joule thermodynamic cycle. The Brayton-Joule cycle is …

Flame dynamics of an injection element operated with LOX/H2 and LOX/CNG in a high-pressure rocket combustor with large optical access

J Martin, W Armbruster, R Stützer, D Suslov… - 9ᵀᴴ EUROPEAN …, 2022 - elib.dlr.de
Hot fire tests were performed with a single-injector research combustor featuring a large
optical access window (255x38 mm) for flame visualisation. Three test campaigns were …

Flame-acoustic interaction in a high-pressure, single-injector, LOX/CNG rocket combustor with optical access

J Martin, W Armbruster, M Börner, J Hardi… - AIAA SCITECH 2023 …, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-1838. vid Flame radiation and
acoustic measurements were performed in a single-element, liquidoxygen/compressed-and …

Influence of Injector and Chamber Geometry on the Thermoacoustic Behaviour in Proximity to the Stability Boundary of LOX/CH4 Rocket Combustors

J Martin, W Armbruster, M Börner, J Hardi… - AIAA SCITECH 2025 …, 2025 - arc.aiaa.org
A shear-coaxial-element is a prominent choice in terms of injection technology for
bipropellants with a high density ratio. While this type of injector performed well for liquid …

Experimental Investigation of a Small-Scale Oxygen-Hydrogen Rotating Detonation Rocket Combustor

W Armbruster, M Börner, A Bee, J Martin… - AIAA SCITECH 2024 …, 2024 - arc.aiaa.org
This study presents the design methodology and results from initial testing of an
experimental hydrogen-oxygen rotating detonation combustor (RDC). A small-scale heat …