Results 41 to 50 of about 2,356 (164)

Burning Characteristics of Ammonium-Nitrate-Based Composite Propellants with a Hydroxyl-Terminated Polybutadiene/Polytetrahydrofuran Blend Binder

International Journal of Aerospace Engineering, 2012
Ammonium-nitrate-(AN-) based composite propellants prepared with a hydroxyl-terminated polybutadiene (HTPB)/polytetrahydrofuran (PTHF) blend binder have unique thermal decomposition characteristics.
Makoto Kohga, Tomoki Naya, Kayoko Okamoto   +2 more
doaj   +1 more source

Numerical and experimental study on the curing process of NEPE solid rocket propellant considering multi-physical field effects

Case Studies in Thermal Engineering
A multi-physical field numerical model considering the thermo-chemical and mechanical effects was used to simulate the curing process of a nitrate ester plasticized polyether (NEPE) solid propellant.
Guoqing Chen, Tianlin Pan, Weiwei Hui, Guizu Zhang, Peng Cao, Jianru Wang   +5 more
doaj   +1 more source

Strength criterion of composite solid propellants under dynamic loading

Defence Technology, 2018
Based on the dynamic loading (1-100 s−1) experiments under different temperatures (223–298 K) and stress states, uniaxial and biaxial strength criterion of a Hydroxyl-terminated polybutadiene (HTPB) based composite solid propellant were further ...
Zhe-jun Wang, Hong-fu Qiang, Guang Wang, Biao Geng   +3 more
doaj   +1 more source

Application of transient burning rate model of solid propellant in electrothermal-chemical launch simulation

Defence Technology, 2016
A 30 mm electrothermal-chemical (ETC) gun experimental system is employed to research the burning rate characteristics of 4/7 high-nitrogen solid propellant.
Yan-jie Ni, Yong Jin, Gang Wan, Chun-xia Yang, Hai-yuan Li, Bao-ming Li   +5 more
doaj   +1 more source

SIMULATION OF THE ACCIDENTAL POLLUTION AFTER THE EMERGENCY IN TO THE STORAGE OF ROCKET SOLID PROPELLANT

Nauka ta progres transportu, 2014
Purpose. Development of the operational numerical model to compute contamination of the atmosphere over Pavlograd city in the case of solid rocket propellant ignition at the storage. Methodology. To simulate the toxic chemical dispersion (product of the
M. M. Biliaiev, A. V. Berlov, A. V. Shevchenko   +2 more
doaj   +1 more source

Application of aluminum-based micro-cell composite fuel in HTPB propellant

Journal of Measurement Science and Instrumentation
To study the combustion performance of aluminum-based micro-cell composite fuel aluminum@ammonium perchlorate(Al@AP), in hydroxyl-terminated polybutadiene (HTPB) solid propellant, the Al@AP was added to HTPB solid propellant instead of Al powder and part
ZHOU Zhipeng, LI Miaomiao, ZENG Guowei, WU Xingliang, ZHANG Zhengjin, ZHENG Tingting, XIA Yu, CHEN Jingjing   +7 more
doaj  

Dynamic Property Analysis of Electrically Controlled Solid Propellant

International Journal of Aerospace Engineering
Through the dynamic mechanical analysis of lithium perchlorate/polyvinyl alcohol–based aluminized electrically controlled solid propellants, the temperature spectrum of the storage modulus (E′), loss modulus (E″), and loss factor (tan δ) of the ...
Zhicheng He, Jianjun Wu
doaj   +1 more source

Study on the open-air NEPE solid propellant fire characteristics: Effect of altitude upon the flame performance through CFD

FirePhysChem
Solid propellant fires, characterized by uncontrolled combustion behaviors, are a common occurrence in industries that utilize solid propellants and can lead to significant consequences. However, there has been a lack of comprehensive studies on modeling
Li Yu, Yupeng Hu, Guangmei Shi, Minghai Li, Yanhong Zhang   +4 more
doaj   +1 more source

Long term investigation of bonding characteristics between PVC based inhibitor and HTPB/IPDI based propellant [PDF]

Scientific Technical Review
Bonding characteristics between extruded polyvinyl chloride (PVC) inhibitor and casted hydroxyl terminated polybutadiene/isophorone isocyanate (HTPB/IPDI) propellant, investigated in a long period of time, are topics of this paper. Basic statements about
Radulović Jovan, Milojković Aleksandar
doaj   +1 more source

Effects of Nano-Sized Al on the Combustion Performance of Fuel Rich Solid Rocket Propellants

Eurasian Chemico-Technological Journal, 2016
Several industrial- and research – type fuel rich solid rocket propellants containing nano-metric aluminum metal particles, featuring the same nominal composition, were prepared and experimentally analyzed.
W.Q. Pang, F. Q. Zhao, L. T. DeLuca, C. Kappenstein, H. X. Xu, X. Z. Fan   +5 more
doaj   +1 more source