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

NYONG, O.E, EBIETO, C.E, AGBRO, E. and BLAKEY, S. (2021). Experimental Investigation in the Autoignition Behaviour of Aviation Jet Fuel in a Rapid Compression Machine. IOP Conference Series: Materials Science and Engineering, 1107 (1). [Article]

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Abstract
Abstract: 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.
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