A predictive tool for low-emission gas turbine combustors

Normal and knocking combustion of hydrogen: A numerical study

MU Manzoor, MR Yosri, M Talei, F Poursadegh, Y Yang, M Brear

2023-07-15

This work presents a numerical study of normal and knocking combustion of hydrogen in a cooperative fuel research (CFR) engine. It..

Large-eddy simulation of a natural gas direct injection spark ignition engine with different injection timings

MR Yosri, T Kar, M Talei, RL Gordon, MJ Brear, M Khosravi

2023-02-15

This paper presents a large-eddy simulation (LES) study of a compressed natural gas (CNG) direct injection spark ignition (DISI) e..

Analysis of pressure oscillations and wall heat flux due to hydrogen auto-ignition in a confined domain

Xinbei Dou, Mohsen Talei, Yi Yang

2023-01-01

This study investigates the impact of the near-wall temperature gradient on hydrogen auto-ignition characteristics using one-dimen..

A priori assessment of flame surface density modelling for large-eddy simulation of sound generation by turbulent premixed flames

Pavel Panek, Davy Brouzet, Mohsen Talei, Robert L Gordon

2022-04-27

This paper presents an a priori assessment of flame surface density modelling in the context of large-eddy simulation (LES), with ..

CO modelling of premixed head-on quenching flame in the context of Large-Eddy Simulation

Shreshtha K Gupta, Rahul Palulli, Mohsen Talei, Robert L Gordon, Vaibhav K Arghode

2022-02-01

The capability of LES sub-grid scale modelling approaches to determine near-wall CO concentration during flame-wall interaction (F..

A comparative study of flame-wall interaction and flame-cooling air interaction

Rahul Palulli, Davy Brouzet, Mohsen Talei, Robert Gordon

2021-12-01

This paper presents a three-dimensional (3D) direct numerical simulation (DNS) study of flame-wall interaction (FWI) and flame-coo..

Optimization of CO Turndown for an Axially Staged Gas Turbine Combustor

Jacob E Rivera, Robert L Gordon, Mohsen Talei, Gilles Bourque

2021-07-01

This paper reports on an optimization study of the CO turndown behavior of an axially staged combustor, in the context of industri..

Large-eddy simulation of methane direct injection using the full injector geometry

MR Yosri, JZ Ho, M Meulemans, M Talei, RL Gordon, MJ Brear, D Cosby, JS Lacey

2021-04-15

Understanding the mixing process of under-expanded gaseous-fuel jets from an outward opening injector is essential for developing ..

Turbulent flame-wall interactions for flames diluted by hot combustion products

Bin Jiang, Davy Brouzet, Mohsen Talei, Robert L Gordon, Quentin Cazeres, Benedicte Cuenot

2021-04-14

Flames diluted by combustion products can reduce emissions such as Carbon Monoxide (CO) and Nitrogen Oxides (NOx) in industrial ap..

The impact of chemical modelling on turbulent premixed flame acoustics

D Brouzet, M Talei, MJ Brear, B Cuenot

2021-03-08

Direct numerical simulations are used to study the impact of chemical modelling on the flame dynamics and the sound generated by t..

Analysis of Near-Wall CO due to Unsteady Flame-Cooling Air Interaction

Rahul Palulli, Mohsen Talei, Robert L Gordon

2021-01-02

The interaction of a stoichiometric, laminar premixed methane/air flame with a coolant jet is investigated using two-dimensional f..

High-fidelity simulations for cleaner gas turbines

Mohsen Talei

2020-10-21

Gas turbines are the predominant prime movers in the aviation industry and account for about 20% of the installed capacity for ele..

Reduced chemistry for sound generation by planar annihilation in premixed methane/hydrogen flames

Jen Zen Ho, Mohsen Talei, Robert L Gordon, Michael J Brear

2020-09-13

Sound generation by planar flame annihilation for methane/hydrogen/air premixed flames is investigated using one-dimensional (1D) ..

Role of Coherent Structures in Turbulent Premixed Flame Acoustics

D Brouzet, A Haghiri, M Talei, MJ Brear, OT Schmidt, G Rigas, T Colonius

2020-06-01

Spectral proper orthogonal decomposition (SPOD) is applied to direct numerical simulation datasets of a lean and a stoichiometric ..

Flame Annihilation Displacement Speed and Stretch Rate in Turbulent Premixed Flames

A Haghiri, M Talei, MJ Brear, ER Hawkes

2020-04-01

This paper examines the dynamics of flame annihilation in turbulent premixed flames using a DNS dataset of Haghiri et al. (J. Flui..

Direct numerical simulation of turbulent premixed jet flames: Influence of inflow boundary conditions

MC Ma, M Talei, RD Sandberg

2020-03-01

Direct Numerical Simulations (DNS)s of a low Karlovitz number turbulent premixed round jet flame are performed to determine the im..

Data-driven combustion modeling for a turbulent flame simulated with a computationally efficient solver

Mohsen Talei, Dominic Ma, Richard Sandberg

2020-01-01

The use of machine learning (ML) for modeling is on the rise. In the age of big data, this technique has shown great potential to ..

Unsteady flame-wall interaction: Impact on CO emission and wall heat flux

Rahul Palulli, Mohsen Talei, Robert L Gordon

2019-09-01

This study investigates the interaction of a two-dimensional (2D) laminar methane-air premixed flame with a constant temperature w..

Annihilation events topology and their generated sound in turbulent premixed flames

Davy Brouzet, Ali Haghiri, Mohsen Talei, Michael J Brear

2019-06-01

The Combustion Institute This paper studies the contribution of flame annihilation events to the sound radiated by turbulent, prem..

Sound sources in premixed flames

Mohsen Talei

2019-01-01

This paper presents a technical review of our understanding of the mechanism of sound generation by premixed flames. Examples from..