Article
Chemistry, Applied
Pragnesh Dave, Riddhi Thakkar, Ruksana Sirach, Dilip M. Badgujar, Milind Deshpande
Summary: Composite solid propellants (CSPs) are commonly used as propellants in rocket applications. They consist of metallic fuel, a polymeric binder, a curing agent, and an oxidizer, with the oxidizer being the most important component. The thermal decomposition of the oxidizer can affect the burning characteristics of CSPs, but this can be reduced by the addition of nanomaterials. In this study, the catalytic activity of quaternary ferrite- NiCoZn ferrite (NiCoZnF) was investigated, and it was found to effectively reduce the thermal decomposition temperature of ammonium perchlorate and increase the burn rate of the propellant.
JOURNAL OF ENERGETIC MATERIALS
(2023)
Article
Engineering, Chemical
Hongyi Chen, Bingyu Mei, Binhao Shen, Xiaoyu Tian, Xianfeng Wei, Keding Li, Yong Zhang
Summary: MoS2/TMO/GO (MTG) nanocomposites (TMO = Co3O4, MnO2, CuO) were synthesized using a two stage layer adding method, with successful loading of TMO nanoparticles on GO and MoS2 nanosheets. Among these nanocomposites, MTG-Mn exhibited a three-dimensional network structure with a high surface area and mesopore channels. The addition of MTG-Mn significantly lowered the decomposition temperature and increased heat release, catalyzing the combustion and improving the performance of AP-based propellants.
Article
Engineering, Chemical
Xiangrui Zou, Ningfei Wang, Yi Chen, Lei Han, Junlong Wang, Chao Wang, Baolu Shi
Summary: A three-dimensional model was developed for capturing the burning properties of AP/HTPB composite propellant, and was verified and validated by comparing with analytical and experimental results. The influences of ellipsoidal AP's orientation and aspect ratio on the burning rate were investigated, flame structure of propellant with ellipsoidal AP particle was examined, and flame properties of propellant with spherical/ellipsoidal AP particle and different AP topologies were analyzed, showing reasonable matching with experimental results in calculating temperature sensitivity coefficients.
Article
Energy & Fuels
Xiangrui Zou, Ningfei Wang, Chao Wang, Junlong Wang, Yong Tang, Baolu Shi
Summary: This study developed a combustion model for AP/HTPB composite propellant to investigate the effects of pressure, AP size, and surface morphology on burning rate, and validated the model accuracy with experimental results.
Article
Thermodynamics
Neeraj Kumar Pradhan, Arindrajit Chowdhury, Debasis Chakraborty, Neeraj Kumbhakarna
Summary: In this study, a modified model for predicting the burn rate of composite solid propellants is proposed. The model has been validated against experimental and theoretical results, and it outperforms existing models in all cases considered. The model is highly robust and provides results quickly, making it highly efficient in terms of time, effort, and computational resources.
COMBUSTION AND FLAME
(2024)
Article
Thermodynamics
Shuang Xu, Aimin Pang, Jie Kong
Summary: This study investigated the influence of urea-based burning rate suppressants (BRSs) on AP and HTPE binders. It was found that BRSs with lower activation energies can better reduce the burning rates of propellants. The thermogravimetry-Fourier transform infrared spectrometer curves showed that the cyano groups in BRS-1 and BRS-2 are more effective in generating ammonia.
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
(2023)
Article
Thermodynamics
Yixiao Zhang, Qi Zhang
Summary: This study investigates the thermal effect of AP/HTPB propellants under transient high temperature by solving the heat conduction differential equation. The results show that the main control factor of thermal runaway is the chemical source term S(T). The explosion delay time and temperature are influenced by the duration and intensity of the external high-temperature action.
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
(2024)
Article
Materials Science, Multidisciplinary
Pragnesh N. Dave, Ruksana Sirach, Riddhi Thakkar
Summary: Nanosize nickel ferrite has been synthesized and found to effectively improve the performance of ammonium perchlorate and composite solid propellants. The thermal decomposition rate was reduced and the burning rate was increased. The degree of reduction in the exothermic peak and the kinetics parameters of the mixture were changed.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2022)
Article
Materials Science, Composites
K. Chellamuthu, A. Vasanthanathan
Summary: The potential benefits of using zinc borate powder as filler material in glass fiber-reinforced composites were explored in this study. The results showed that the addition of zinc borate particles significantly improved the mechanical and thermal properties of the hybrid composites.
POLYMER COMPOSITES
(2023)
Article
Thermodynamics
Jifei Yuan, Jianzhong Liu, Yunan Zhou, Yanwei Zhang, Kefa Cen
Summary: In this study, the thermal decomposition, ignition, and combustion properties of Al/AP/HTPB propellant were investigated. The combustion process was divided into three stages, with the flame development stage lasting longer. Increasing pressure decreased ignition delay time and significantly increased burning rate. The combustion products consisted of three types, with Al oxidation following a diffusion reaction mechanism. Agglomerates had low combustion efficiency under experimental conditions, and a 2-D pocket-like structure was observed on the propellant surface.
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
(2021)
Article
Energy & Fuels
Zikangping Wang, Zhi-Hua Xue, Ke-Juan Meng, Xue-Xue Zhang, Qi-Long Yan
Summary: The study showed that qy-HMX-1 and qy-HMX-2 can be used as components of composite propellants, improving thermal stability and energy density, with smaller particle size of reaction products. Under the action of specific catalysts, qy-HMX-1 also demonstrated higher heat of explosion and burn rate.
Article
Green & Sustainable Science & Technology
Mohammad Al-Harahsheh, Sanad Altarawneh, Mohammad Al-Omari, Mohammednoor Altarawneh, Sam Kingman, Chris Dodds
Summary: The oxidative thermal treatment of electric arc furnace dust mixed with PVC was studied to investigate the impact of oxidizing environment on the extraction of valuable metals. It was found that thermal treatment resulted in significant vaporization of lead and zinc chlorides, and that solution pH significantly affected the extraction of lead and iron.
JOURNAL OF CLEANER PRODUCTION
(2021)
Article
Thermodynamics
Pragnesh N. Dave, Ruksana Sirach
Summary: In this study, nanosized nickel-zinc ferrite (NiZnF) particles were synthesized successfully using a co-precipitation route, and the effects of NiZnF catalyst on the thermal decomposition of AP and the burn rate of AP-based composite solid propellants were investigated. The results demonstrated that the NiZnF catalyst could effectively decrease the thermal decomposition temperature and enhance the activation of AP.
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
(2022)
Article
Engineering, Multidisciplinary
Bao-yun Ye, Chen-he Feng, Feng-qi Zhao, Chong-wei An, Jing-yu Wang
Summary: The effect of different MOF structures on the catalytic performance of ammonium perchlorate (AP) thermal decomposition was investigated. A two-dimensional (2D) MOF material was prepared by adding 2-methylimidazole (2-MI) as an inhibitor during the synthesis of MOF-5, and it was characterized through SEM, EDS, XRD, FT-IR, and other means. The addition of this 2D MOF material completely eliminated the low-temperature decomposition peak of the AP-based composite and advanced the high temperature decomposition peak, showing a better catalytic effect than bulk MOF-5. Additionally, the 2D MOF acted as a burning rate catalyst and effectively enhanced the burning rate of AP-based solid propellant.
DEFENCE TECHNOLOGY
(2023)
Article
Chemistry, Multidisciplinary
Fan Yang, Jiayun Pei, Haiyan Zhao
Summary: This study investigates the effect of graphene and iron oxide catalysts on the decomposition of ammonium perchlorate (AP) through first-principles simulations. The results show that graphene and Fe2O3 can reduce the activation energy barrier of AP decomposition and promote the reaction.
Article
Materials Science, Multidisciplinary
Singh Sonu Kumar, Rakesh Kumar Singh, P. K. Verma, Md Irfanul Haque Siddiqui, Masood Ashraf Ali, Aniket Manash
Summary: In this study, Cerium-substituted Strontium hexaferrite was prepared using a sol-gel method and analyzed for various properties. The results show that with an increase in Cerium content, there are changes in crystalline size, cell volume, thermal behavior, and spectral characteristics. The addition of Cerium also improves the magnetic and ferroelectric properties of the material.
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
(2021)
Article
Engineering, Electrical & Electronic
Aniket Manash, Rakesh Kumar Singh, Vivek Kumar, Shashank Bhushan Das, Singh Sonu Kumar, Nishant Kumar, Jyoti Shah, R. K. Kotnala
Summary: Alkali metal substituted spinel magnesium ferrites have potential for hydroelectric cell applications. Potassium substitution affects the crystal structure, surface morphology, and conductivity of the ferrites. The size and porosity decrease with increasing alkali metal content. The FTIR analysis shows a shift in molecular bands towards lower wavenumbers with increased potassium content. SEM and PL spectra reveal agglomeration, porosity, and the presence of oxygen vacancies. The voltage-current characteristics of the hydroelectric cells show offload current and open circuit voltage within specific ranges.
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2022)
Article
Nanoscience & Nanotechnology
Vivek Kumar, Rakesh Kumar Singh, Aniket Manash, Shashank Bhushan Das, Jyoti Shah, R. K. Kotnala
Summary: The use of sodium-substituted magnesium ferrite in hydroelectric cells has shown great potential for generating green electricity. The substitution of sodium in the ferrite material leads to decreased crystallite size, increased porosity, and enhanced defects. This results in improved water dissociation and redox reactions, leading to higher current and power outputs in the hydroelectric cell.
APPLIED NANOSCIENCE
(2022)
Proceedings Paper
Materials Science, Multidisciplinary
Gaurav Kumar, Rakesh Kumar Singh, Singh Sonu Kumar, Aniket Manash, Anjalee Prabha, Uday Shankar, Om Priya
Summary: In this study, rare earth element Ce3+ substituted spinel cobalt ferrite material was synthesized using the sol-gel technique, and its structural and magnetic properties were analyzed. The results showed that Ce3+ doping could improve the lattice parameters, crystallite size, and magnetization of the samples, and significantly increase their coercive field values.
MATERIALS TODAY-PROCEEDINGS
(2022)
Proceedings Paper
Materials Science, Multidisciplinary
Kakali Sarkar, Vivek Kumar, Shashank Bhushan Das, Manish Kumar, Aniket Manash, Chanchal Biswas, Siddhartha Mukherjee
Summary: A MgNb2O6-Mg4Nb2O9 nanocomposite was successfully synthesized and characterized, demonstrating excellent optical and dielectric properties. These properties hold promise for potential applications in optoelectronic devices.
MATERIALS TODAY-PROCEEDINGS
(2021)
Proceedings Paper
Materials Science, Multidisciplinary
Saurabh Sharma, Harendra Kumar Satyapal, Singh Sonu Kumar, Raj Aryan, Aniket Manash, Vivek Kumar
Summary: This study prepared M-type Barium hexaferrite BaFe12-xGdxO19 using a citrate precursor sol-gel chemical method, with increased Gd3+ composition resulting in enhanced lattice strain and physical properties. Notably, gadolinium substitution in barium hexaferrite lattice significantly improved the magnetic properties, including saturation magnetization, coercivity, and anisotropy values.
MATERIALS TODAY-PROCEEDINGS
(2021)
Article
Engineering, Aerospace
Pratim Kumar, Mayank Varshney, Aniket Manash
PROPULSION AND POWER RESEARCH
(2019)
