Results 1 to 10 of about 61,322 (167)

Review of novel energetic polymers and binders – high energy propellant ingredients for the new space race

open access: yesDesigned Monomers and Polymers, 2019
Current solid rocket propellant formulations still employ traditional ingredients utilized since the 1960s, such as hydroxyl terminated polybutadiene (HTPB).
Tianze Cheng
exaly   +2 more sources

Study on the effect of RDX content on the properties of nitramine propellant

open access: yesDefence Technology, 2017
Four kinds of nitroamine propellants with different RDX contents (10%, 20%, 30% and 40%) were prepared to study the effect of RDX content on the mechanical properties and combustion properties of nitroamine propellant.
Fen ZHANG   +4 more
exaly   +3 more sources

Research advances in multifunctional catalysts for the conversion of lignin to biomass fuels

open access: yes工程科学学报, 2022
The development of biomass fuels is of great significance for reducing excessive dependence on fossil resources and global warming. Lignin is a complex aromatic biopolymer that is abundant in nature and can be used to produce high-value biomass fuels ...
Jun-cong QU   +4 more
doaj   +1 more source

Recommended Separation Distances for 1.3 Ammunition and Explosives

open access: yesFire, 2023
Separation Distances are used throughout the world to protect people and assets from the potential hazardous effects from propellants, explosives, and pyrotechnics.
Clint Guymon, Ming Liu, Josephine Covino
doaj   +1 more source

A Global Model Study of Plasma Chemistry and Propulsion Parameters of a Gridded Ion Thruster Using Argon as Propellant

open access: yesPlasma, 2022
This work reports on the (zero-dimensional) global model study of argon plasma chemistry for a cylindrical thruster based on inductively coupled plasma (ICP) whose output has a system of two grids polarized with each other with direct current potential ...
Bernardo Magaldi   +3 more
doaj   +1 more source

Density functional theory studies on N4 and N8 species: Focusing on various structures and excellent energetic properties

open access: yesFrontiers in Chemistry, 2022
All-nitrogen materials, as a unique branch of energetic materials, have gained huge attentions, of which cyclo-N5− derivatives are the representative synthetically reported materials.
Qing Lang   +4 more
doaj   +1 more source

Electrical Ground Support Equipment (EGSE) Design for Small Satellite [PDF]

open access: yesJournal of Astronomy and Space Sciences, 2002
This paper describes EGSE design for the small satellite such like KOMPSAT-2 satellite. Recent design trend of small satellite and EGSE is to take short development time and less cost. For this purpose, the design for KOMPSAT-2 satellite and EGSE are not
Jong-Oh Park   +6 more
doaj   +1 more source

Beyond superconductivity towards novel biomedical, energy, ecology, and heritage applications of MgB2

open access: yesGreen Chemistry Letters and Reviews, 2022
Twenty years passed since the discovery of superconductivity in MgB2. Although there is much progress, the use of superconductors, in general, and of MgB2 in particular, remains limited.
Petre Badica, Dan Batalu
doaj   +1 more source

Studies on composite solid propellant with tri-modal ammonium perchlorate containing an ultrafine fraction

open access: yesDefence Technology, 2017
Composite solid propellant is prepared using tri-modal Ammonium perchlorate (AP) containing coarse, fine and ultrafine fractions of AP with average particle size (APS) 340, 40 and 5 μm respectively, in various compositions and their rheological ...
K.V. Suresh Babu   +4 more
doaj   +1 more source

Research Progress of Bonding Agents and Their Performance Evaluation Methods

open access: yesMolecules, 2022
Bonding agents are an important type of additive that are used to increase the interfacial interaction in propellants. A suitable bonding agent can prevent the dewetting between the oxidant and binder, and thus effectively improve the mechanical ...
Junyan Gan   +7 more
doaj   +1 more source

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