Results 11 to 20 of about 12,615 (302)

Investigation of Flame Structures of Double-Base Propellant and Modified Double-Base Propellant Containing Nitramine Using OH-PLIF and Kinetic Simulation [PDF]

Molecules
The combustion behavior of various propellant samples, including double-base propellants, pressed nitramine powders, and modified double-base propellants containing nitramine, was examined using OH-PLIF technology.
Yiping Wang, Yan Zhang, Heng Li, Ergang Yao, Jin Yu, Fengqi Zhao, Siyu Xu   +6 more
doaj   +6 more sources

Modeling fatigue damage evolution in CMDB propellant based on dynamic modulus [PDF]

Scientific Reports
This study systematically investigates the fatigue behavior of composite modified double-base propellant (CMDB) under strain-controlled cyclic loading across a range of temperatures.
Li Yao, Xu Jinsheng, Zhou Changsheng, Chen Xiong, Yang Xiumin   +4 more
doaj   +2 more sources

Thermomechanical investigation on the effect of nitroguanidine on the thermal expansion coefficient and glass transition temperature of double-base gun propellant

Journal of Materials Research and Technology, 2019
Thermal expansion coefficient (CTE) is a critical parameter of gun propellant because of its major role in fabrication, storage and combustion performance of the propellant.
Le Qi, Zhongliang Ma, Jiahao Liang, Zhongliang Xiao, Mengyao Dong, Jiaoxia Zhang, Zhanhu Guo, Jincheng Fan, Tao Ding, Chuntai Liu   +9 more
doaj   +3 more sources

Study on elongation master curve of thermal aging composite modified double base propellant [PDF]

Scientific Reports
In order to predict the maximum elongation of composite modified double base (CMDB) propellants under different aging time, temperature and strain rate, systematic uniaxial tensile characterization was performed across six controlled temperatures (233.15 
Jian Zheng, Jiaming Liu, Heng Deng, Jinfeng Dang, Chunqing Yang, Zhengwei Sun, Zongtao Guo, Jinsheng Xu, Xiong Chen   +8 more
doaj   +2 more sources

Experimental and machine learning-driven assessment of IS 2062 steel under double-base propellant combustion conditions [PDF]

Scientific Reports
The degradation behavior of IS 2062 structural steel under extreme combustion conditions induced by double-base propellant exposure is crucial for aerospace and defense applications.This study addresses in understanding steel performance under high ...
Hari Singh, Dola Sundeep, C. Chandrasekhara Sastry, Eswaramoorthy K Varadharaj   +3 more
doaj   +2 more sources

Research on the influence of loading rate on the dynamic initiation fracture toughness of CMDB propellant [PDF]

Scientific Reports
In the field of gun launched missile extended range rocket, the propellant grain in the rocket needs to withstand significant launch loads during their firing phase, and also bear the high pressure caused by ignition, and the impact of launch overloads ...
Jian Zheng, Xuan Wu, Zhengwei Sun, Zongtao Guo, Menglong Zhang, Xiong Chen   +5 more
doaj   +2 more sources

Dynamic mechanical analysis of double base rocket propellants [PDF]

Biuletyn Wojskowej Akademii Technicznej, 2016
The article presents dynamic mechanical analysis (DMA) for solid rocket propellants testing. Principles of operation and measured values are briefly described.
Marcin Cegła, Jacek Borkowski, Janusz Zmywaczyk, Piotr Koniorczyk   +3 more
doaj   +2 more sources

Propellant Combustion Wave Studies by Embedded Thermocouple and Imaging Method at Ambient Pressure [PDF]

Journal of Aerospace Technology and Management, 2020
This paper discusses the method for propellant combustion studies with embedded thermocouple and imaging method at ambient pressure. In this study, three different propellant compositions are experimentally evaluated for surface temperature, flame zone ...
Rakesh Kumar Kalal, Himanshu Shekhar, Prashant Sudhir Alegaonkar, Shrikant Pande   +3 more
doaj   +2 more sources

A Facile Way to Prolong Service Life of Double Base Propellant. [PDF]

Materials (Basel), 2018
Sun S, Ma S, Zhao B, Zhang G, Luo Y.
europepmc   +2 more sources

Analysis of Application of Plasma Ignition in Closed Vessel Tests

Energies, 2021
This paper presents the results of a comparative investigation into the effects of the ignition method on the ballistic properties of three types of propellants: a single-base propellant, a double-base propellant and a low vulnerability (LOVA) propellant,
Radosław Trębiński, Zbigniew Leciejewski, Zbigniew Surma, Jakub Michalski   +3 more
doaj   +1 more source