含快燃物ACP丁羟推进剂高压燃烧特性和常压火焰结构  

High Pressure Combustion Characteristics and Atmosphere Pressure Flame Structure of ACP⁃containing Hydroxyl Terminated Polybutadiene(HTPB)Propellants

作　　者：孟令超 冉秀伦[2] 李建民[1] 周续源 郭延佩 巩丽 杨荣杰[1] MENG Ling-chao;RAN Xiu-lun;LI Jian-min;ZHOU Xu-yuan;GUO Yan-pei;GONG Li;YANG Rong-jie(School of Material Science and Engineering,Beijing Institute of Technology,Beijing 100081,China;Xi′an Modern Chemistry Research Institute,Xi′an 710065,China;School of Mechanical Engineering,Beijing Institute of Technology,Beijing 100081,China)

机构地区：[1]北京理工大学材料学院,北京100081 [2]西安近代化学研究所,陕西西安710065 [3]北京理工大学机电学院,北京100081

出　　处：《含能材料》2020年第9期915-924,I0008,共11页Chinese Journal of Energetic Materials

摘　　要：为了研究水合-四-(4-氨基-1,2,4-三唑)高氯酸铜(ACP)对推进剂燃烧特性的影响,利用高压燃速测定系统研究了ACP对丁羟推进剂3~29 MPa压力范围内燃速的影响;收集推进剂在不同压力(3,10,20 MPa)下的燃烧产物,分析了ACP对燃烧产物化学组成的影响;采用显微高速摄像系统获取了推进剂的燃烧火焰和燃烧表面,对燃烧熄火表面及组分进行了研究。结果表明,在丁羟推进剂中添加ACP可大幅提高燃速,添加5%ACP可使推进剂29 MPa下的燃速提高84.8%,9~11 MPa为不稳定燃烧压力区。燃烧压力3 MPa的完全燃烧产物中活性铝含量为16.22%。推进剂在0.1 MPa燃烧时,存在粒径约100μm的粒子被燃烧气流从燃烧表面带入到气相区中分解燃烧的现象,熔铝粒子在燃烧表面无明显团聚。添加ACP使燃烧表面不规则程度增加。In order to study the combustion characteristics and atmosphere pressure flame structures of ACP-containing HTPB pro-pellants,the high-pressure burning rate test system of solid propellant was employed to test burning rate over the pressure range 3-29 MPa.The condensed combustion products of propellants at 3,10 and 20 MPa were collected,their morphology,particle size distribution,active aluminum content and alumina crystal form were analyzed.High-speed photography system was em-ployed to monitor the combustion process of ACP on the combustion flame structure and the burning surface.The combustion surface and quenched surface were obtained for morphology and composition analysis.Results indicate that the addition of ACP effectively increases the burning rate,the ACP addition of 5%increases the burning rate by 84.8%at 29 MPa,and unstable combustion pressure zone occurs at 9-11 MPa.The active aluminum content of combustion products is 13%-16%at 3 MPa.At atmosphere pressure,large-sized particles with 100μm in diameter are brought into the gas phase from the combustion surface by the combustion gas.The molten aluminum particles have no obvious agglomeration on the burning surface.The addition of ACP increases the irregularity of the combustion surface.

关 键 词：快燃物 丁羟推进剂 高压燃速 燃烧表面 火焰结构 水合-四-(4-氨基-1 2 4-三唑)高氯酸铜(ACP) 

分 类 号：V512[航空宇航科学与技术—航空宇航推进理论与工程]