An Empirical Correlation to Predict the Ignition Delay Time for Some Hydrocarbon Fuels

Document Type: Research note

Authors

Faculty of Chemistry & Chemical Engineering, Malek-Ashtar University of Technology, Tehran, Iran

Abstract

Examination of the available ignition delay time data and correlations in the case of methane, butane, heptane, decane, kerosene, Jet-A and ethylene fuels, allowed the derivation and recommendation of standard equations for this property. In this study, a new accurate substance dependent equation for ignition delay time as a function of pressure, number of carbon atoms, mixture equivalence ratio, fuel mole fraction and temperature has been developed to estimate ignition delay time of some hydrocarbon fuels. With the presented model, ignition delay time has been calculated and compared with the data reported in literature. The accuracy of the obtained model has been compared to the mostly used predictive models and the comparison indicated that the proposed correlation provides more accurate results than other models used in the previous works.

Keywords

Main Subjects


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