[1]叶纬东①,乔治军②③,李嘉颢①,等.含铝凝胶燃料的流变特性研究[J].爆破器材,2022,51(02):17-25.[doi:doi:10.3969/j.issn.1001-8352.2022.02.003]
　YE Weidong,QIAO Zhijun,LI Jiahao,et al.Rheological Properties of Aluminium-Containing Gel Fuel[J].EXPLOSIVE MATERIALS,2022,51(02):17-25.[doi:doi:10.3969/j.issn.1001-8352.2022.02.003]
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含铝凝胶燃料的流变特性研究()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
51
期数:
2022年02
页码:
17-25
栏目:
基础理论
出版日期:
2022-04-06

文章信息/Info

Title:
Rheological Properties of Aluminium-Containing Gel Fuel
文章编号:
5671
作者:
叶纬东①; 乔治军②③; 李嘉颢①; 李雅茹①; 马含①; 王伯良①
①南京理工大学化学与化工学院（江苏南京，210094）
②南京理工大学机械学院（江苏南京，210094）
③93184部队（北京，100000）
Author(s):
YE Weidong①;  QIAO Zhijun②③;  LI Jiahao①;  LI Yaru①;  MA Han①;  WANG Boliang①
① School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology (Jiangsu Nanjing, 210094)
② School of Mechanical Engineering, Nanjing University of Science and Technology (Jiangsu Nanjing, 210094)
③ Unit 93184 (Beijing, 100000)
关键词:
纳米凝胶剂; 凝胶燃料; 剪切变稀性; 蠕变性; 非线性黏弹性
Keywords:
nano gellant;  gel fuel;  shear thinning;  creep;  nonlinear viscoelasticity
分类号:
TQ560.7; O373
DOI:
doi:10.3969/j.issn.1001-8352.2022.02.003
文献标志码:
A
摘要:
在庚烷/硝酸异丙酯混合体系中加入不同粒径的无机纳米凝胶剂,实现燃料凝胶化;并在部分样品中添加纳米铝粉,制得一系列凝胶燃料;以此来研究凝胶剂粒径和铝粉含量对凝胶燃料流变性能的影响规律。采用激光共聚焦显微镜、比重杯和氧弹量热仪测试凝胶燃料的微观形貌、密度与燃烧热；利用流变仪测试凝胶燃料的剪切变稀性、蠕变性以及非线性黏弹性等流变性能。结果表明:凝胶化的燃料具有更高的密度和体积燃烧热；大粒径凝胶剂体系的假塑性更明显，网络强度更大，但内部结构易碎；铝粉的加入破坏了絮凝体网络的连续性，增强了凝胶燃料的塑性，降低了蠕变恢复能力，但会提升凝胶燃料的整体强度。添加质量分数20%的铝粉后，凝胶燃料的零切黏度η0提高了6倍，储能模量G′0 提高了3倍，蠕变恢复能力rc 下降了33%。
Abstract:
In the mixed system of heptane/isopropyl nitrate, different sizes of inorganic nano gel were added to fuel gelation, and a series of gel fuels were prepared by adding nano aluminum powder in some samples. Effects of gel size and aluminum content on rheological properties of gel fuel were investigated. A confocal microscope, a specific gravity cup and an oxygen bomb calorimeter were used to test the micro morphology, density and combustion heat of fuel. Rheological properties of fuel, such as shear thinning, creep and nonlinear viscoelasticity, were measured by a rheometer. Results show that the gelation fuel has higher density and volumetric combustion heat. Pseudoplasticity of the large-size gel system is more obvious, the network strength is bigger, but the internal structure is fragile. The addition of aluminum powder destroys the continuity of the agglomerate network, enhances the plasticity of the gel fuel, reduces the creep recovery ability, but enhances the overall strength of the gel fuel. After adding 20% (mass fraction) aluminum powder, η0?of gel fuel increases by six times, G′0increases by three times, and rc decreases by 33%.

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相似文献/References:

[1]杨泽宇①,李建①,何桂标①,等.基于流变特性的含铝凝胶燃料制备工艺研究[J].爆破器材,2023,52(03):1.[doi:10.3969/j.issn.1001-8352.2023.03.001]
　YANG Zeyu,LI Jian,HE Guibiao,et al.Preparation Process of Aluminium-Containing Gel Fuel Based on Rheological Properties[J].EXPLOSIVE MATERIALS,2023,52(02):1.[doi:10.3969/j.issn.1001-8352.2023.03.001]

备注/Memo

备注/Memo:
收稿日期：2021-11-08
第一作者：叶纬东（1995-），男，硕士研究生，主要从事FAE燃料性能研究。E-mail：Ye_weii@163.com
通信作者：马含（1988-），男，博士，讲师，主要从事FAE燃料设计及应用研究。E-mail：hawkinsma1218@gmail.com
更新日期/Last Update: 2022-04-06