4.7 Article

Formulation of an RP-1 pyrolysis surrogate from shock tube measurements of fuel and ethylene time histories

期刊

FUEL
卷 103, 期 -, 页码 1051-1059

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ELSEVIER SCI LTD
DOI: 10.1016/j.fuel.2012.10.008

关键词

Rocket propellant RP-1; Laser absorption; Shock tubes; Pyrolysis; Ethylene time-histories

资金

  1. ERC Incorporated at the Air Force Research Laboratory

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RP-1 and ethylene time histories have been measured during RP-1 pyrolysis, allowing determination of ethylene yields and overall fuel decomposition rates for RP-1 near 20 atm and between 1050 K and 1500 K. A decomposition surrogate for RP-1 was formulated using the components n-dodecane, methylcyclohexane, and iso-cetane by targeting three decomposition characteristics of the fuel: compound class, overall fuel decomposition rate, and ethylene yield. Decomposition of this surrogate mixture was modeled using a newly developed detailed mechanism and the simulations are compared to the experimentally measured RP-1 and ethylene time histories. Comparisons between modeled and measured ethylene yields and overall fuel decomposition rates are also reported. (C) 2012 Elsevier Ltd. All rights reserved.

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