通过微波诱导的等离子光学发射光谱测量来确定影响复合固体推进剂及其成分元素的燃烧速度
Selvakumar Subramanian1, Cherukumilli Varaparad2, Gullipalli Kumari2
1Chemical and Mechanical Testing Labs, QC (Process & Labs), Solid Motor Propellant Complex, SDSC-SHAR, Sriharikota, 524124, India. selvakumar.s@shar.gov.in.
概括
这项研究引入了一种快速,经济高效的微波诱导等离子体光学发射光谱法 (MIP-OES) 方法,用于分析固体推进剂中的微量金属元素. 该技术确保了准确的杂质检测,这对于固体火箭发动机性能至关重要.
科学领域:
- 分析化学 分析化学
- 材料科学 材料科学 材料科学
- 航空航天工程 航空航天工程
背景情况:
- 固体推进剂中的微金属元素对固体火箭发动机的弹道性质和燃烧行为产生了重大影响.
- 准确量化这些金属杂质对于确保一致的电机性能和安全至关重要.
研究的目的:
- 开发一种快速,一次性和具有成本效益的分析技术,用于常规,直接分析固体推进剂及其成分中的多元元素.
- 建立一种可靠的方法来确定影响固体火箭发动机燃烧速度的微量金属杂质.
主要方法:
- 利用微波诱导等离子光学发射光谱法 (MIP-OES) 来直接分析金属杂质.
- 分析了各种组件,包括预混合物,固化推进剂板,推进剂成分 (甲,,氧化,二氧化,氧终结聚乙烯,二酸) 和推进剂渣.
- 根据灵敏度和干扰效应选择分析波长,通过认证的校准标准验证精度和准确性.
主要成果:
- 开发的MIP-OES方法证明了金属杂质的高精度和准确性,其线性回归系数大于0.995.5.
- 已达到研究元素的量化和检测的低极限,表明该方法的灵敏度.
- 成功分析了各种固体推进剂样本中的微金属杂质,包括原料,预混合物,固化板块和渣.
结论:
- MIP-OES技术是一种可行且有效的方法,用于常规确定固体推进剂及其成分中的金属杂质.
- 与传统方法相比,这种方法显著缩短了分析时间,同时提高了检测极限,准确性和可重复性.
- 开发的方法通过提供关键金属杂质的可靠数据来支持固体火箭发动机的质量控制和性能优化.
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