Experimental Investigation in the Autoignition Behaviour of Aviation Jet Fuel in a Rapid Compression Machine

Jet A-1 fuel’s autoignition behaviour was examined experimentally in a newly developed rapid compression machine (RCM) at the University of Sheffield. The experiment was conducted at a compressed temperature at compressed temperatures of 697 K ⩽ Tc ⩽ 796 K , compressed pressure of 6 and 10 bar, and...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2021-04, Vol.1107 (1), p.12202
Main Authors: Nyong, O.E, Ebieto, C.E, Agbro, E., Blakey, S.
Format: Article
Language:English
Subjects:
Aviation fuel
Delay time
Equivalence ratio
Ignition
Jet engine fuels
Spontaneous combustion
Temperature
Wall temperature
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Summary:Jet A-1 fuel’s autoignition behaviour was examined experimentally in a newly developed rapid compression machine (RCM) at the University of Sheffield. The experiment was conducted at a compressed temperature at compressed temperatures of 697 K ⩽ Tc ⩽ 796 K , compressed pressure of 6 and 10 bar, and under lean and stoichiometric conditions (φ = 0.75 and 1.0). The initial chamber wall temperature was varied from 115°C - 135°C. The effect of the compressed temperature, compressed pressure and equivalence ratio was seen to have influence on the ignition delay time (IDTs) of Jet A-1. In the experimental condition studied, Jet A-1 exhibited an Arrhenius behaviour that is increasing the compressed temperature, compressed pressure and equivalence ratio decreases monotonically with IDTs. Evidence of two-stage ignition delay and absence of Negative Temperature Coefficient (NTC) behaviour was observed within the condition studied.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/1107/1/012202