Numerical investigation of laminar hydrogen combustion across multiple flame configurations under pressure and strain effects

Authors

  • Amr Abbass Department of Mechanical Engineering, Mississippi State University, Starkville 39762, Mississippi State, USA
Article ID: 525
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DOI:

https://doi.org/10.18686/cest525

Keywords:

combustion; hydrogen; laminar; flames; Cantera

Abstract

This research quantitatively examines laminar hydrogen combustion under diverse pressure and strain conditions, employing comprehensive chemical kinetics in Cantera 3.0 with the H2–O2 and GRI-Mech 3.0 mechanisms. To learn more about flame speed, structure, and extinction behavior, we looked at four main flame configurations: freely propagating premixed, counterflow diffusion, premixed counterflow, and stagnation-point flames. The laminar flame speed of pure hydrogen was 310 cm/s, which means it burned very quickly because it spread out quickly. Hydrogen stayed stable up to a strain rate of 6.0 × 105 s–1 before it went out. The peak flame temperature dropped from 3600 K to 3000 K when the pressure rose from 1 bar to 100 bar. This shows that higher pressure makes things more stable but less heat is released. The innovation of this study resides in the integration of all principal flame configurations into a cohesive modeling framework, demonstrating that strain rate exerts a more significant impact on flame collapse than pressure. These results give us a baseline for designing efficient turbines, rocket combustors, and industrial heating systems that run on hydrogen.

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Published

2025-12-10

How to Cite

Abbass, A. (2025). Numerical investigation of laminar hydrogen combustion across multiple flame configurations under pressure and strain effects. Clean Energy Science and Technology, 4(1), 525. https://doi.org/10.18686/cest525

Issue

Vol. 4 No. 1 (2026)

Section

Article

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Copyright (c) 2026 Author

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

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