This paper presents recent progress in the field of thermoacoustic combustion instabilities in
propulsion engines such as rockets or gas turbines. Combustion instabilities have been …

This article explores the possibility of analyzing combustion instabilities in liquid rocket
engines by making use of Large Eddy Simulations (LES). Calculations are carried out for a …

This article describes recent progress on premixed flame dynamics interacting with acoustic
waves. Expressions are derived to determine the stability of combustors with respect to …

The unsteady gas dynamic field in a closed combustor is determined by the nonlinear
interactions between chamber acoustics, hydrodynamics, and turbulent combustion that can …

In this paper, we present the numerical evidence of multiple bifurcations in thermoacoustic
instability as we decrease the equivalence ratio (ϕ) from fuel-rich (ϕ= 1.5) to fuel-lean (ϕ …

Prediction of combustion instability is essential in reducing development costs of large scale
rocket engines. Recently, high fidelity CFD models have shown some ability to represent the …

Turbulent diffusion flames are considered an active field of research used in many
engineering applications of combustion theory. The basic properties of jet diffusion flames …

We present a large-eddy simulation based investigation of combustion instability in the
Continuous Variable Resonance Combustor (CVRC); a high-pressure, shear-coaxial …

The combustion instability in a laboratory-scale direct-connect hydrogen-fueled scramjet
combustor is investigated numerically. The numerical simulation has been carried out using …

The longitudinal combustion instability characteristics of a pintle injector for a liquid rocket
engine combustor are investigated experimentally. The effects of the propellant total …