Interpretable data-driven methods for subgrid-scale closure in LES for transcritical LOX/GCH4 combustion

WT Chung, AA Mishra, M Ihme - Combustion and Flame, 2022 - Elsevier
Although data-driven methods have shown high accuracy as closure models for simulating
turbulent flames, these models are often criticized for lack of physical interpretability …

Characterization of laminar and turbulent supercritical carbon dioxide slot jet im**ement heat transfer

A Alkandari, AS Rattner - International Journal of Heat and Mass Transfer, 2022 - Elsevier
Supercritical carbon dioxide (sCO 2) has recently been proposed as a promising alternative
to conventional fluids for thermal management because of its unique thermophysical …

Hybrid unsupervised cluster-wise regression approach for representing the flamelet tables

R Mishra, S Mayilvahanan, D Jarrahbashi - Energy & Fuels, 2023 - ACS Publications
A novel hybrid unsupervised cluster-wise regression approach is developed to represent the
flamelet tables and speed up the computations in turbulent combustion simulations. The …

A Strategy of Mixture Preparation for Methane Direct-Fired sCO2 Combustors

KRV Manikantachari, S Martin… - … Expo: Power for …, 2018 - asmedigitalcollection.asme.org
The reactor residence time required for a sCO2 combustor is comparatively higher than an
equal power, airdiluted conventional combustor. Therefore, the strategies to reduce the …

Direct numerical simulation of supercritical carbon dioxide oxy-methane combustion

R Mishra, D Jarrahbashi - Physics of Fluids, 2024 - pubs.aip.org
Supercritical CO 2 (sCO 2) oxy-methane combustion is a key component of zero-carbon
technologies in direct-fired sCO 2 power cycles, ie, the Allam cycle which offers promising …

Evaluation of real-fluid flamelet/progress variable model for laminar hydrothermal flames

Z Gao, H Wang, K Luo, C Song, C Zhao, J **ng… - The Journal of …, 2019 - Elsevier
In this article, hydrothermal flames were studied and an extended flamelet model was
developed accounting for the real-fluid effects. The newly formulated real-fluid …

[PDF][PDF] Large eddy simulations of oxyfuel combustors for direct-fired supercritical CO 2 power cycles

DT Banuti, L Shunn, S Bose… - The 6th International …, 2018 - sco2symposium.com
Large eddy simulations of oxy‐fuel combustors for direct‐ fired supercritical CO2 power
cycles Page 1 Large eddy simulations of oxy‐fuel combustors for direct‐ fired supercritical …

Computational Analysis of Supercritical CO2 Oxy-Methane Combustion

R Mishra - 2023 - search.proquest.com
The major challenge in designing oxy-fuel combustors in supercritical power generation
cycles is the lack of fundamental understanding of the combustion process at high pressures …

Computational Investigation of Supercritical Carbon Dioxide Slot Jet Im**ement Heat Transfer

A Alkandari - 2020 - etda.libraries.psu.edu
Supercritical carbon dioxide (sCO2) has recently been proposed as a promising alternative
to conventional fluids for thermal management applications because of its unique …

Numerical characterization of premixed methane flames in vitiated atmosphere at supercritical conditions

F Lo Presti, P Post, F di Mare, J van Oijen - Proceedings of the 3rd …, 2021 - Springer
Some cutting edge technologies for power generation make use of Supercritical CO_2 CO 2
cycles to improve efficiency and reduce emissions. While all of these technologies are …