Structure and dynamics of highly turbulent premixed combustion

AM Steinberg, PE Hamlington, X Zhao - Progress in Energy and …, 2021 - Elsevier
Turbulent premixed combustion involves simultaneous and mutually interacting fluid,
chemical, and transport phenomena spanning a wide range of spatial and temporal scales …

Identification of premixed flame propagation modes using chemical explosive mode analysis

C Xu, JW Park, CS Yoo, JH Chen, T Lu - Proceedings of the combustion …, 2019 - Elsevier
A criterion based on chemical explosive mode analysis (CEMA) is proposed to identify
different local combustion modes, such as auto-ignition, diffusion-assisted ignition, and local …

The structure and propagation of laminar flames under autoignitive conditions

A Krisman, ER Hawkes, JH Chen - Combustion and Flame, 2018 - Elsevier
The laminar flame speed sl is an important reference quantity for characterising and
modelling combustion. Experimental measurements of laminar flame speed require the …

Direct numerical simulations of turbulent reacting flows with shock waves and stiff chemistry using many-core/GPU acceleration

S Desai, YJ Kim, W Song, MB Luong, FEH Pérez… - Computers & …, 2021 - Elsevier
Compressible reacting flows may display sharp spatial variation related to shocks, contact
discontinuities or reactive zones embedded within relatively smooth regions. The presence …

Effects of temperature and pressure fluctuations on exergy loss characteristics of hydrogen auto-ignition processes

S Liu, J Zhang, Z Sun, D Han - International Journal of Hydrogen Energy, 2023 - Elsevier
Intake temperature and pressure fluctuations prior to main ignition are one of the reasons
affecting the efficiency of internal combustion engines. In this study, the effects of …

PyCSP: A Python package for the analysis and simplification of chemically reacting systems based on Computational Singular Perturbation

RM Galassi - Computer Physics Communications, 2022 - Elsevier
PyCSP is a Python package for the analysis and simplification of chemically reacting
systems, using algorithms based on the Computational Singular Perturbation (CSP) theory …

Development of a virtual CFR engine model for knocking combustion analysis

P Pal, C Kolodziej, S Choi, S Som, A Broatch… - … International Journal of …, 2018 - JSTOR
Knock is a major bottleneck to achieving higher thermal efficiency in spark ignition (SI)
engines. The overall tendency to knock is highly dependent on fuel anti-knock quality as …

Large-eddy simulation study on cycle-to-cycle variation of knocking combustion in a spark-ignition engine

C Chen, P Pal, M Ameen, D Feng, H Wei - Applied Energy, 2020 - Elsevier
The cycle-to-cycle variation in the knock intensity is commonly encountered under abnormal
combustion conditions. The severity of these abnormal combustion events can vary …

Prediction of ignition modes of NTC-fuel/air mixtures with temperature and concentration fluctuations

MB Luong, FEH Pérez, HG Im - Combustion and Flame, 2020 - Elsevier
The ignition regime criteria proposed by Im et al.(2015) are extended to account for
temperature and concentration fluctuations. The newly-developed criteria are applied to …

[HTML][HTML] Direct numerical simulations of auto-igniting mixing layers in ammonia and ammonia-hydrogen combustion under engine-relevant conditions

W Yang, KKJR Dinesh, KH Luo, D Thévenin - international journal of …, 2022 - Elsevier
This study investigated auto-ignition characteristics of ammonia-air and ammonia-hydrogen-
air laminar and turbulent mixing layers by means of direct numerical simulations (DNS) …