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Development of JP-8 Surrogates and their Validation using Ignition Quality Tester
ISSN: 1946-3952, e-ISSN: 1946-3960
Published April 15, 2014 by SAE International in United States
Citation: Shrestha, A., Zheng, Z., Badawy, T., Henein, N. et al., "Development of JP-8 Surrogates and their Validation using Ignition Quality Tester," SAE Int. J. Fuels Lubr. 7(1):337-351, 2014, https://doi.org/10.4271/2014-01-9077.
This paper presents a new approach for the development of six different JP-8 surrogates for application in diesel cycle simulation. The approach involves a step-wise formulation of 2-, 3-, and 4-component surrogates from a list of pure compounds which are selected based on several criteria. A MATLAB code is developed and is used in conjunction with the Ignition Quality Tester (IQT) and HYSYS software in order to formulate optimal surrogates.
The first part of the results shows a comparison between the calculated and the measured DCNs for six surrogates. The differences in the properties such as the density, volatility, lower heating value, H/C ratio, molecular weight, and threshold sooting index of the surrogates and the JP-8 are also highlighted. This is followed by the evaluation of the surrogates with respect to the target JP-8 fuel. The evaluation is made in terms of ignition delays and the rate of heat release at three different IQT test temperatures. Finally, the test results are examined to evaluate the validity of the development approach and the potential use of the IQT in the development and validation of the JP-8 surrogates for application in diesel engines.
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