Experimental study on flow field characteristics of TBCC multibypass combustor

W Zhao, W Fan, R Zhang - Aerospace Science and Technology, 2023 - Elsevier
The turbine-based combined cycle (TBCC) engine, as a hypersonic air-breathing propulsion
system, involves the transition between multiple bypasses during flight. During the transition …

[HTML][HTML] Investigation of shock and a dust cloud interaction in Eulerian framework using a newly developed OpenFOAM solver

O Ejtehadi, E Mahravan, I Sohn - International Journal of Multiphase Flow, 2021 - Elsevier
The current study documents the development of a new multiphase solver for the simulation
of dilute dusty gas flows in the OpenFOAM suite. Even though various solvers for simulation …

Full continuum approach for simulating plume-surface interaction in planetary landings

O Ejtehadi, RS Myong, I Sohn, BJ Kim - Physics of Fluids, 2023 - pubs.aip.org
A high-fidelity computational framework for predicting the interaction of a rocket plume with a
dust blanket in an almost vacuum ambient that represents the descent/ascend phase of …

Numerical analysis of nucleate boiling in rolling rod bundle with tilted axis using two-fluid modeling approach

O Ejtehadi, A Sadeghi, BJ Kim - International Journal of Heat and Mass …, 2023 - Elsevier
In this study, an Eulerian-Eulerian two-fluid approach was applied to simulate nucleate
boiling in a vertical rolling 2× 2 rod bundle with a tilted axis. For this purpose, the standard …

Experimental study of fuel distribution and combustion characteristics under subatmospheric pressure in an afterburner

X Yang, W Fan, R Zhang - Applied Thermal Engineering, 2025 - Elsevier
The fuel distribution and ignition characteristics of an afterburner with typical components
under subatmospheric inlet conditions are important references for improving the …

Supersonic dusty gas flow past a cylinder in Eulerian–Lagrangian framework

AU Wangikar, A Bajpai, R Kumar - Physics of Fluids, 2023 - pubs.aip.org
The present study utilizes computational methods to analyze two-dimensional particle-laden
flow over a circular cylinder. The effect of seeding of dust particles in the viscous flow of a …

Investigation of a trifold interaction mechanism of shock, vortex, and dust using a DG method in a two-fluid model framework

O Ejtehadi, A Rahimi, RS Myong - Powder Technology, 2020 - Elsevier
We investigate a trifold interaction mechanism of shock, vortex, and dust by solving the dusty
Schardin's problem. A modal discontinuous Galerkin method was developed for solving the …