Analysis of unstable combustion caused by the Gas–Liquid two-phase flow in small hypergolic propellant engines

Y Matsuura, N Matsuda, Y Tashiro, T Naka - Acta Astronautica, 2024 - Elsevier
Hypergolic bipropellant engines are extensively used in spacecraft operations. In these
engines, the combustion reaction is initiated by the impinging jets of the oxidizer and fuel in …

On the two approaches for the combustion instability predictions in a long-flame combustor

X Liu, X Xiang, X Yu, Q Fu, L Yang, J Li - Acta Astronautica, 2025 - Elsevier
This paper presents a detailed comparative analysis and discussion of two typical predictive
methods for combustion instability in long flame combustion chambers: the coupled method …

Experimental studies on swirl injector with varying L/D ratio of hybrid rocket motor

A Dubey, R Kumar, S Biswas - International Journal of Heat and Fluid Flow, 2025 - Elsevier
In this paper, effect of swirl injector on varying the L/D (length to diameter) ratio of the hybrid
rocket motor was experimentally investigated. The use of swirl injector was observed to …

Analytical Characterization of Low-Frequency Instabilities in a Simple Duct System

B Suksupaet, D Kim - International Journal of Aeronautical and Space …, 2024 - Springer
Low-frequency bulk instabilities are prevalent phenomena encountered in various
combustion systems including laminar burners, gas turbine combustors, rockets, and …