TMEDA和WFNA在自燃燃料系统中的点火和燃烧特性实验研究

IF 3.4 2区物理与天体物理 Q1 ENGINEERING, AEROSPACE

Acta Astronautica Pub Date : 2025-07-22 DOI:10.1016/j.actaastro.2025.07.046

O.V. Vysokomornaya, A.O. Pleshko, K.K. Paushkina, N.P. Nadymova, A.G. Nigay, D.O. Glushkov

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引用次数: 0

摘要

对含液体成分自燃燃料的点火和燃烧规律和特性进行了实验研究。实验采用四亚甲二胺C6H16N2作为燃料，高浓度硝酸HNO3作为氧化剂。燃料和氧化剂液滴的初始体积为10 μl。燃料液滴相对于氧化剂液滴的高度在5 ~ 20 cm之间。在实验研究中，确定了以下特性：点火延迟时间、燃尽面积和火焰温度。用纹影法记录了各组分相互作用的特征。随着燃油滴落高度的变化，点火延迟时间在42.4 ~ 54.9 s之间变化，燃尽面积平均值在0.42 ~ 7.59 cm3之间变化。此外，燃料液滴落在氧化液滴上的高度越大，点火延迟时间越短，燃尽面积越大。

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Experimental study on the ignition and combustion characteristics of TMEDA and WFNA in hypergolic fuel systems

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Experimental study on the ignition and combustion characteristics of TMEDA and WFNA in hypergolic fuel systems

An experimental study of the patterns and characteristics of ignition and combustion of hypergolic fuels with liquid components has been carried out. The experiments used tetramethylethylenediamine C₆H₁₆N₂ (fuel) and highly concentrated nitric acid HNO₃ (oxidizer). The initial volume of fuel and oxidizer droplets was 10 μl. The height of the fuel droplet fall relative to the oxidizer droplet varied from 5 to 20 cm. During the experimental studies, the following characteristics were determined: ignition delay times, burnout areas, and flame temperatures. The characteristics of the components interaction were also recorded using the Schlieren method. When varying the height of the fuel droplet fall, the ignition delay times change in the range of 42.4–54.9 s, the average values of the burnout areas change from 0.42 to 7.59 cm³. Moreover, the greater the height of the fuel droplet fall onto an oxidizer droplet on a plate, the shorter the ignition delay times and the larger the burnout areas.

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来源期刊

Acta Astronautica 工程技术-工程：宇航

CiteScore

7.20

自引率

22.90%

发文量

599

审稿时长

53 days

期刊介绍： Acta Astronautica is sponsored by the International Academy of Astronautics. Content is based on original contributions in all fields of basic, engineering, life and social space sciences and of space technology related to: The peaceful scientific exploration of space, Its exploitation for human welfare and progress, Conception, design, development and operation of space-borne and Earth-based systems, In addition to regular issues, the journal publishes selected proceedings of the annual International Astronautical Congress (IAC), transactions of the IAA and special issues on topics of current interest, such as microgravity, space station technology, geostationary orbits, and space economics. Other subject areas include satellite technology, space transportation and communications, space energy, power and propulsion, astrodynamics, extraterrestrial intelligence and Earth observations.