Single-Pulse Shock Tube Pyrolysis Study of RP-3 Jet Fuel and Kinetic Modeling

Abstract

A single-pulse shock tube study of the pyrolysis of two different concentrations of Chinese RP-3 jet fuel at 5 bar in the temperature range of 900–1800 K has been performed in this work. Major intermediates are obtained and quantified using gas chromatography analysis. A flame-ionization detector and a thermal conductivity detector are used for species identification and quantification. Ethylene is the most abundant product in the pyrolysis process. Other important intermediates such as methane, ethane, propyne, acetylene, butene, and benzene are also identified and quantified. Kinetic modeling is performed using several detailed, semidetailed, and lumped mechanisms. It is found that the predictions for the major species such as ethylene, propene, and methane are acceptable. However, current kinetic mechanisms still need refinement for some important species. Different kinetic mechanisms exhibit very different performance in the prediction of certain species during the pyrolysis process. The rate of production (ROP) is carried out to compare the differences among these mechanisms and to identify major reaction pathways to the formation and consumption of the important species, and the results indicate that further studies on the thermal decomposition of 1,3-butadiene are needed to optimize kinetic models. The experimental data are expected to contribute to a database for the validation of mechanisms under pyrolytic conditions for RP-3 jet fuel and should also be valuable to a better understanding of the combustion behavior of RP-3 jet fuel.

Experimental Study on the Pyrolysis and Soot Formation Characteristics of JP-10 Jet Fuel

“…Therefore, in this study, the distribution of pyrolysis temperatures for concentrations of small molecule products in the JP-10 pyrolysis product was experimentally explored, and possibly a very complete distribution law of small molecule product concentration below C4 was obtained. Since we have used this experimental system and this method to study the pyrolysis characteristics of the traditional fossil fuel RP-3 [18] previously, the experimental results in this study were very reliable.…”

“…Once a final vacuum was reached, the driven section of the SPST was charged to the required pressure with the prepared fuel mixture, and it was monitored by an Inficon CDG100 capacitance manometer (10 and 1000 Torr). This value of pressure was obtained by the Gaseq [17,18] according to the surge jump equation. Meanwhile, the dump tank was filled with argon gas at the same pressure value.…”

“…2021 Biyao [17,18] Direct coal liquefaction (DCL) and RP-3 jet fuel Single-pulse shock tube 2012 Olivier [19] Fischer-Tropsch (FT) fuel Shock tube…”

Single-Pulse Shock Tube Experimental and Kinetic Modeling Study on Pyrolysis of a Direct Coal Liquefaction-Derived Jet Fuel and Its Blends with the Traditional RP-3 Jet Fuel

“…3,42,49,50 A series of fuels from small hydrocarbons to complex real fuels were investigated via the SPST experimental method. 42,44,49 However, there is still a significant lack of understanding of pyrolysis characteristics of polycyclic alkanes and DCL-derived jet fuels.…”

Ignition Delay Time and Oxidation of a Kerosene Aviation Fuel and a Blended Jet50-Bio50 Fuel

“…In particular, thermal decomposition and combustion chemistry of pyrrole (C 4 H 5 N), a candidate reference fuel for the FPBO surrogate model, were studied. Zeng et al 7 studied the pyrolysis of the RP-3 jet fuel using a single-pulse shock tube (SPST) and found that ethylene was the most abundant product. In addition, it was confirmed that methane, ethane, and propene were present in a large amount, and acetylene increased significantly as the temperature increased.…”