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Study of laminar combustion characteristics of gasoline surrogate fuel-hydrogen-air premixed flames

He, Xu, Hou, Xinghe, Yang, Qing, Ma, Xiqun, Tian, Guohong and Liu, Fushui (2019) Study of laminar combustion characteristics of gasoline surrogate fuel-hydrogen-air premixed flames International Journal of Hydrogen Energy, 44 (26). pp. 13910-13922.

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Abstract

This paper investigated the effects of hydrogen addition to gasoline surrogates fuel-air mixture on the premixed spherical flame laminar combustion characteristics. The experiments were carried out by high speed Schlieren photography on a constant-volume combustion vessel. Combining with nonlinear fitting technique, the variation of flame propagation speed, laminar burning velocity, Markstein length, flame thickness, thermal expansion coefficient and mass burning flux were studied at various equivalence ratios (0.8–1.4) and hydrogen mixing ratios (0%–50%). The results suggested that the nonlinear fitting method had a better agreement with the experimental data in this paper and the flame propagation was strongly effected by stretch at low equivalence ratios. The stretched propagation speed increased with the increase of hydrogen fraction at the same equivalence ratio. For a given hydrogen fraction, Markstein length decreased with the increase of equivalence ratio; flame propagation speed and laminar burning velocity first increased and then decreased with the increase of equivalence ratio while the peaks of the burning velocity shifted toward the richer side with the increase of hydrogen fraction.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Mechanical Engineering Sciences
Authors :
NameEmailORCID
He, Xu
Hou, Xinghe
Yang, Qing
Ma, Xiqun
Tian, Guohongg.tian@surrey.ac.uk
Liu, Fushui
Date : 21 May 2019
DOI : 10.1016/j.ijhydene.2019.03.009
Uncontrolled Keywords : Gasoline surrogate; Hydrogen; Laminar combustion characteristics; Nonlinear fitting
Depositing User : Clive Harris
Date Deposited : 29 Jul 2019 10:55
Last Modified : 29 Jul 2019 10:55
URI: http://epubs.surrey.ac.uk/id/eprint/852320

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