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Numerical results for hydrogen auto-ignition in oxygen–nitrogen and oxygen–water vapor oxidizers: analysis in mixture fraction space and 3D turbulent flow

Version 1.0

Caban, Lena; Tyliszczak, Artur, 2025, "Numerical results for hydrogen auto-ignition in oxygen–nitrogen and oxygen–water vapor oxidizers: analysis in mixture fraction space and 3D turbulent flow", https://doi.org/10.18150/CHK8LJ, RepOD, V1

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Description

Research data related to the publication "A Comparative Study of the Hydrogen Auto-Ignition Process in Oxygen–Nitrogen and Oxygen–Water Vapor Oxidizer: Numerical Investigations in Mixture Fraction Space and 3D Forced Homogeneous Isotropic Turbulent Flow Field".

This dataset contains numerical simulation results of the auto-ignition process of hydrogen in a hot oxidizer stream composed of oxygen–nitrogen and oxygen–water vapor mixtures, with nitrogen or water vapor mass fractions ranging from 0.1 to 0.9. The oxidizer temperature varies between 1100 K and 1500 K, while the hydrogen stream is maintained at 300 K.

The simulations were conducted using two approaches:

In 1D mixture fraction space with the Unsteady Flamelet Model
In a 3D forced homogeneous isotropic turbulent flow field using Large Eddy Simulation (LES) combined with the Eulerian Stochastic Field (ESF) combustion model

The simulation results are provided in files named Fig*.dat, where each file corresponds to a figure from the associated publication. The readme.txt file includes a sorted list of filenames linked to the respective figures. The meaning of the data contained in each file is also explained in the readme.txt.

For more information about the .dat file format, please refer to the Tecplot documentation:

https://www.tecplot.com/2016/09/16/tecplot-data-file-types-dat-plt-szplt/

The first author (LC) gratefully acknowledges funding from the Polish National Science Center (Grant No. 2020/39/B/ST8/02802), which supported the PhD fellowship underlying this research. The simulations were performed using high-performance computing resources provided by PL-Grid and PCSS computing centers.

(2024-09)

Subject

Chemistry; Engineering; Mathematical Sciences; Physics

Keyword

hydrogen ignitability, ignition delay time, the most reactive mixture fraction, flame kernel dynamics, unsteady flamelet, LES

Related Publication

Caban, L., & Tyliszczak, A. (2024). A Comparative Study of the Hydrogen Auto-Ignition Process in Oxygen–Nitrogen and Oxygen–Water Vapor Oxidizer: Numerical Investigations in Mixture Fraction Space and 3D Forced Homogeneous Isotropic Turbulent Flow Field. Energies, 17(17), 4525, https://doi.org/10.3390/en17174525 https://doi.org/10.3390/en17174525 doi: doi.org/10.3390/en17174525

License

CC BY - Creative Commons Attribution 4.0

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		readme.txt Plain Text - 4.4 KB - Mar 25, 2025 - 0 Downloads MD5: 7b6b7bf8b9705eb7b5ff85b4528e6ba4 License: CC BY - Creative Commons Attribution 4.0	Preview Download
		Fig1a.dat Fixed Field Text Data - 127.2 KB - Mar 25, 2025 - 0 Downloads MD5: 9ca042b7d75f591b9ff36600c61bc338 License: CC BY - Creative Commons Attribution 4.0	Download
		Fig1b.dat Fixed Field Text Data - 193.7 KB - Mar 25, 2025 - 0 Downloads MD5: c8b3e9a1783a8acf8cf6336086ffa42c License: CC BY - Creative Commons Attribution 4.0	Download
		Fig1c.dat Fixed Field Text Data - 193.7 KB - Mar 25, 2025 - 0 Downloads MD5: 0ff8bbe259aebfc6df87dd89cc34058e License: CC BY - Creative Commons Attribution 4.0	Download
		Fig1d.dat Fixed Field Text Data - 193.7 KB - Mar 25, 2025 - 0 Downloads MD5: 145d4460edfb349f4d942020c58abfa6 License: CC BY - Creative Commons Attribution 4.0	Download
		Fig2a.dat Fixed Field Text Data - 231.3 KB - Mar 25, 2025 - 0 Downloads MD5: 30d7f72bf0bc09f4a8ecea1f2d50b9c3 License: CC BY - Creative Commons Attribution 4.0	Download
		Fig2b.dat Fixed Field Text Data - 245.8 KB - Mar 25, 2025 - 0 Downloads MD5: d3174f891086da06e498ad9f2803b242 License: CC BY - Creative Commons Attribution 4.0	Download
		Fig2c.dat Fixed Field Text Data - 253.9 KB - Mar 25, 2025 - 0 Downloads MD5: 62518d0a294356b6addcfc73e65be128 License: CC BY - Creative Commons Attribution 4.0	Download
		Fig2d.dat Fixed Field Text Data - 259.5 KB - Mar 25, 2025 - 0 Downloads MD5: 95f28b40750e6a532a0480cce5a5b176 License: CC BY - Creative Commons Attribution 4.0	Download
		Fig3a.dat Fixed Field Text Data - 7.4 KB - Mar 25, 2025 - 0 Downloads MD5: 8f525e881db9bebad80c8e3ea45fcf52 License: CC BY - Creative Commons Attribution 4.0	Download

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