Elucidating the impact of sodium azide on the thermal and combustion characteristics of boron-based fuel-rich propellants

IF 1.7 4区化学 Q4 CHEMISTRY, PHYSICAL Reaction Kinetics, Mechanisms and Catalysis Pub Date : 2024-10-24 DOI:10.1007/s11144-024-02748-1

Mohammed El Amin Facih, Moulai Karim Boulkadid, Sabri Touidjine, Samir Belkhiri, Manel Nourine

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Abstract

This study focuses on enhancing thermal, energetic and combustion properties of boron based solid fuel-rich propellant (SFRP) by doping boron with sodium azide. The challenges associated with boron's combustion efficiency, such as high ignition temperature and oxide film formation, are addressed. The research explores the potential of using sodium azide as a coating agent for boron in SFRP formulation. The prepared propellants based on boron and boron modified with sodium azide undergo thorough characterization for physico-chemical, thermal, energetic and combustion properties, including FTIR, RAMAN, X-ray diffraction (XRD), differential scanning calorimetry (DSC), bomb calorimetry and combustion test. Additionally, based on the results obtained by DSC tests, a comprehensive kinetic analysis was performed using iso-conversional methods, notably It-KAS and It-FWO. The obtained results confirm the positive effect of sodium azide on thermal, energetic and combustion properties of boron based SFRP.

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阐述叠氮化钠对硼基富燃料推进剂热特性和燃烧特性的影响

研究了硼基富固体燃料推进剂（SFRP）的热、能和燃烧性能。解决了与硼的燃烧效率相关的挑战，例如高点火温度和氧化膜的形成。本研究探索了叠氮化钠在SFRP配方中作为硼包衣剂的潜力。通过红外光谱（FTIR）、拉曼光谱（RAMAN）、x射线衍射（XRD）、差示扫描量热法（DSC）、弹量热法（bomb）和燃烧测试等手段，对制备的硼基推进剂和叠氮化钠修饰的硼基推进剂进行了理化、热、能和燃烧性能的表征。此外，根据DSC测试结果，采用等转换方法，特别是It-KAS和it - two进行了全面的动力学分析。结果证实叠氮化钠对硼基SFRP的热性能、能性能和燃烧性能都有积极的影响。

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来源期刊

Reaction Kinetics, Mechanisms and Catalysis CHEMISTRY, PHYSICAL-

CiteScore

3.30

自引率

5.60%

发文量

201

审稿时长

2.8 months

期刊介绍： Reaction Kinetics, Mechanisms and Catalysis is a medium for original contributions in the following fields: -kinetics of homogeneous reactions in gas, liquid and solid phase; -Homogeneous catalysis; -Heterogeneous catalysis; -Adsorption in heterogeneous catalysis; -Transport processes related to reaction kinetics and catalysis; -Preparation and study of catalysts; -Reactors and apparatus. Reaction Kinetics, Mechanisms and Catalysis was formerly published under the title Reaction Kinetics and Catalysis Letters.