Laminar burning velocities of diluted hydrogen-oxygen-nitrogen mixtures

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Abstract

Measurements of laminar adiabatic burning velocities of flames propagating in hydrogen-oxygen-nitrogen mixtures at atmospheric pressure are presented and analyzed in this study. The oxygen content in the oxidizer (nitrogen-oxygen mixture) was varied between 0.07 and 0.1 (7-10 volume percent) at an equivalence ratio of 1.058. Besides the variation in oxygen content a variation in equivalence ratio from 0.7 to 3.1 and from 0.7 to 0.95 is presented at oxygen contents of 0.077 and 0.1077, respectively. The heat flux method was used to determine burning velocities under conditions where the net heat loss of the flat stretchless flame to the burner is zero. The resulting adiabatic burning velocities are presented with error margins using a 95% confidence interval. A significant difference was found when comparing the present results with experimental data from the literature.
LanguageEnglish
Pages1977-1981
JournalEnergy & Fuels
Volume21
Issue number4
DOIs
StatePublished - 2007

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Hydrogen
Nitrogen
Oxygen
Heat losses
Fuel burners
Atmospheric pressure
Heat flux

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@article{a429354513a84a81bcfaf76f6c25c5db,
title = "Laminar burning velocities of diluted hydrogen-oxygen-nitrogen mixtures",
abstract = "Measurements of laminar adiabatic burning velocities of flames propagating in hydrogen-oxygen-nitrogen mixtures at atmospheric pressure are presented and analyzed in this study. The oxygen content in the oxidizer (nitrogen-oxygen mixture) was varied between 0.07 and 0.1 (7-10 volume percent) at an equivalence ratio of 1.058. Besides the variation in oxygen content a variation in equivalence ratio from 0.7 to 3.1 and from 0.7 to 0.95 is presented at oxygen contents of 0.077 and 0.1077, respectively. The heat flux method was used to determine burning velocities under conditions where the net heat loss of the flat stretchless flame to the burner is zero. The resulting adiabatic burning velocities are presented with error margins using a 95{\%} confidence interval. A significant difference was found when comparing the present results with experimental data from the literature.",
author = "R.T.E. Hermanns and A.A. Konnov and R.J.M. Bastiaans and {Goey, de}, L.P.H.",
year = "2007",
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language = "English",
volume = "21",
pages = "1977--1981",
journal = "Energy & Fuels",
issn = "0887-0624",
publisher = "American Chemical Society",
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Laminar burning velocities of diluted hydrogen-oxygen-nitrogen mixtures. / Hermanns, R.T.E.; Konnov, A.A.; Bastiaans, R.J.M.; Goey, de, L.P.H.

In: Energy & Fuels, Vol. 21, No. 4, 2007, p. 1977-1981.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - Laminar burning velocities of diluted hydrogen-oxygen-nitrogen mixtures

AU - Hermanns,R.T.E.

AU - Konnov,A.A.

AU - Bastiaans,R.J.M.

AU - Goey, de,L.P.H.

PY - 2007

Y1 - 2007

N2 - Measurements of laminar adiabatic burning velocities of flames propagating in hydrogen-oxygen-nitrogen mixtures at atmospheric pressure are presented and analyzed in this study. The oxygen content in the oxidizer (nitrogen-oxygen mixture) was varied between 0.07 and 0.1 (7-10 volume percent) at an equivalence ratio of 1.058. Besides the variation in oxygen content a variation in equivalence ratio from 0.7 to 3.1 and from 0.7 to 0.95 is presented at oxygen contents of 0.077 and 0.1077, respectively. The heat flux method was used to determine burning velocities under conditions where the net heat loss of the flat stretchless flame to the burner is zero. The resulting adiabatic burning velocities are presented with error margins using a 95% confidence interval. A significant difference was found when comparing the present results with experimental data from the literature.

AB - Measurements of laminar adiabatic burning velocities of flames propagating in hydrogen-oxygen-nitrogen mixtures at atmospheric pressure are presented and analyzed in this study. The oxygen content in the oxidizer (nitrogen-oxygen mixture) was varied between 0.07 and 0.1 (7-10 volume percent) at an equivalence ratio of 1.058. Besides the variation in oxygen content a variation in equivalence ratio from 0.7 to 3.1 and from 0.7 to 0.95 is presented at oxygen contents of 0.077 and 0.1077, respectively. The heat flux method was used to determine burning velocities under conditions where the net heat loss of the flat stretchless flame to the burner is zero. The resulting adiabatic burning velocities are presented with error margins using a 95% confidence interval. A significant difference was found when comparing the present results with experimental data from the literature.

U2 - 10.1021/ef060553g

DO - 10.1021/ef060553g

M3 - Article

VL - 21

SP - 1977

EP - 1981

JO - Energy & Fuels

T2 - Energy & Fuels

JF - Energy & Fuels

SN - 0887-0624

IS - 4

ER -