Results 81 to 90 of about 1,895 (230)

A self-sensing HTPB liner for non-destructive monitoring nitroglycerin (NG) migration at the interface between double base propellant and the HTPB liner

open access: yesDefence Technology
During the storage of composite propellants, the migration of plasticizers and other unbonded additives at the interfaces of liner adhesives has garnered significant attention in understanding liner failure mechanisms, aging processes, and safety ...
Jie Wang   +6 more
doaj   +1 more source

Transient processes in the combustion of nitramine propellants [PDF]

open access: yes
A transient combustion model of nitramine propellants is combined with an isentropic compression shock formation model to determine the role of nitramine propellant combustion in DDT, excluding effects associated with propellant structural properties or ...
Cohen, N. S., Strand, L. D.
core   +1 more source

Fragmentation of Ammonium Nitrate Particles under Thermal Cycling [PDF]

open access: yes, 2018
Ammonium nitrate finds application in explosives and chlorine-free slow-burning propellants. Different phases are known for this ammonium salt, each of them featured by peculiar bulk densities.
Garg, Priya, Maggi, Filippo
core   +1 more source

Demonstration of a sterilizable solid rocket motor system [PDF]

open access: yes
A solid propellant rocket motor containing 60.9 Kg (134-lb) of propellant was successfully static fired after being subjected to eight heat sterilization cycles (three 54-hour cycles plus five 40-hour cycles) at 125 C (257 F).
Lambert, W. L.   +2 more
core   +1 more source

Модель гибридного ракетного двигателя. Вычисления, проект и испытания [PDF]

open access: yes, 2009
На даний час і у майбутньому ракетні двигуни будуть найголовнішими засобами виводу на орбіту космічних транспортних апаратів. В даний час найважливішою вимогою при проектуванні двигуна ракети є зменшення її вартості і максимальне збільшення енерговіддачі.
Folusiak, M.   +5 more
core  

Nitramine smokeless propellant research [PDF]

open access: yes
A transient ballistics and combustion model is derived to represent the closed vessel experiment that is widely used to characterize propellants. A computer program is developed to solve the time-dependent equations, and is applied to explain aspects of ...
Cohen, N. S., Strand, L. P.
core   +1 more source

Deep learning-assisted finite element simulation for characterizing the microstructure-dependent stress field of HTPB propellant [PDF]

open access: yesAIP Advances
This paper proposes an end-to-end deep learning framework based on the U-Net architecture to directly map the microstructure of Hydroxyl-terminated polybutadiene (HTPB) propellant to its mesoscopic von Mises stress field.
Bin Yuan, Hongfu Qiang, Xueren Wang
doaj   +1 more source

Heterogeneous fuel for hybrid rocket [PDF]

open access: yes, 1996
Heterogeneous fuel compositions suitable for use in hybrid rocket engines and solid-fuel ramjet engines, The compositions include mixtures of a continuous phase, which forms a solid matrix, and a dispersed phase permanently distributed therein.
Stickler, David B.
core   +1 more source

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