Journal Article

Monolithic solvers for incompressible two-phase flows at large density and viscosity ratios

In this paper, we investigate the accuracy and robustness of three classes of methods for solving two-phase incompressible flows on a staggered grid. Here, the unsteady two-phase …

el-ouafa-m.

Adjoint-based sensitivity analysis of steady char burnout

Simulations of pulverised coal combustion rely on various models, required in order to correctly approximate the flow, chemical reactions, and behaviour of solid particles. These …

hassan-a.

Control and optimization of interfacial flows using adjoint-based techniques

The applicability of adjoint-based gradient computation is investigated in the context of interfacial flows. Emphasis is set on the approximation of the transport of a …

fikl-a.

Analysis of degenerate mechanisms triggering finite-amplitude thermo-acoustic oscillations in annular combustors

A simplified model is introduced to study finite-amplitude thermo-acoustic oscillations in NNN-periodic annular combustion devices. Such oscillations yield undesirable effects and …

murthy-s.-r.

Time-domain analysis of thermo-acoustic instabilities in a ducted flame

The present study focuses on a time-domain approach for investigating the response of laminar premixed flames to acoustic flow perturbations in a straight duct of a uniform …

sayadi-t.

Thermoacoustic instability – a dynamical system and time domain analysis

This study focuses on the Rijke tube problem, which includes features relevant to the modelling of thermoacoustic coupling in reactive flows: a compact acoustic source, an …

sayadi-t.

A monotonicity preserving conservative sharp interface flow solver for high density ratio two-phase flows

This paper presents a novel approach for solving the conservative form of the incompressible two-phase Navier–Stokes equations. In order to overcome the numerical instability …

le-chenadec-v.

A conservative framework for primary atomization computation and application to the study of nozzle and density ratio effects

The present work focuses on the application of two recent developments of the volume-of-fluid method to the computational study of primary atomization: a second...

le-chenadec-v.

A 3D unsplit forward/backward volume-of-fluid approach and coupling to the level set method

This paper presents a novel methodology for interface capturing in two-phase flows by combining a Lagrangian–Eulerian Volume-of-Fluid approach with a Level Set method. While the …

le-chenadec-v.