Research on Rocket Kerosene Pyrolysis

doi:10.13675/j.cnki.tjjs.190464

Journal of Propulsion Technology ›› 2020, Vol. 41 ›› Issue (6): 1420-1427.DOI: 10.13675/j.cnki.tjjs.190464

• Material,Propellant and Fuel • Previous Articles Next Articles

Research on Rocket Kerosene Pyrolysis

Beijing Key Laboratory of Research and Application for Aerospace Green Propellants,Beijing Institute of Aerospace Testing Technology,Beijing 100074,China

Published:2021-08-15

火箭煤油热裂解研究

张星¹，孙海云¹，蒋榕培¹，李梦竹¹，方涛¹

北京航天试验技术研究所航天绿色推进剂研究与应用北京市重点实验室，北京 100074

作者简介:张星，硕士，工程师，研究领域为液体推进剂。E-mail：zxzx03@163.com
基金资助:
中国航天科技集团公司钱学森青年创新基金。

Abstract

Abstract: In order to investigate the pyrolysis process of rocket kerosene (RK) in China and the effects of antioxidants on the pyrolysis process, the static pyrolysis experiment was conducted to study the law of pyrolysis conversion rate, pyrolysis gas production rate and gas phase product composition of RK with temperature and time under 683K~713K in this work. At the same time, the pyrolysis behavior of RK containing 1wt% antioxidant o-methylhydroquinone (THQ) was compared and it was found that THQ had a significant inhibitory effect on the pyrolysis of RK. Under 683K~713K, the pyrolysis activation energies of RK before and after adding 1wt% THQ were 150.0kJ/mol and 210.5kJ/mol, respectively, and the corresponding Arrhenius pyrolysis equations were obtained. By comparison, it was found that the pyrolysis rate constant of RK is smaller than those of American RP-1 and RP-2 rocket kerosene.

Key words: Rocket kerosene;Active cooling;Pyrolysis;Kinetics equation;Antioxidant

摘要： 为了探究火箭煤油热裂解过程以及抗氧化剂对热裂解过程的影响，通过火箭煤油静态热裂解实验研究了火箭煤油在683K~713K条件下裂解转化率、裂解产气率、气相产物组成随温度和时间的变化规律。同时，对比了加入1wt%抗氧化剂邻甲基对苯二酚(THQ)的火箭煤油热裂解行为，发现THQ对火箭煤油热裂解有明显抑制作用。683K~713K下，火箭煤油添加1wt% THQ前后的裂解活化能分别为150.0kJ/mol和210.5kJ/mol，并获得了相应的Arrhenius热裂解方程。对比发现我国火箭煤油裂解速率常数小于美国RP-1，RP-2火箭煤油。

关键词: 火箭煤油;主动冷却;热裂解;动力学方程;抗氧化剂

ZHANG Xing¹, SUN Hai-yun¹, JIANG Rong-pei¹, LI Meng-zhu¹, FANG Tao¹. Research on Rocket Kerosene Pyrolysis[J]. Journal of Propulsion Technology, 2020, 41(6): 1420-1427.

张星，孙海云，蒋榕培，李梦竹，方涛. 火箭煤油热裂解研究[J]. 推进技术, 2020, 41(6): 1420-1427.

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Research on Rocket Kerosene Pyrolysis

火箭煤油热裂解研究

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