Results 161 to 170 of about 988 (214)

Investigation of PBT-AP Interactions in PBT-Based Solid Propellants: A Combined Density Functional Theory and Molecular Dynamics Study. [PDF]

Polymers (Basel)
Liu K, Cheng X.
europepmc   +1 more source

Preparation of Polydopamine Functionalized HNIW Crystals and Application in Solid Propellants. [PDF]

Polymers (Basel)
Zhu F, Liu C, Yang D, Li G.
europepmc   +1 more source

Accelerated Aging Tests of HTPB-Based Propellants

, 2018
In the late twentieth century, liquid and solid propulsion technologies have been integrated into hybrid engines currently apllied in propulsion launch vehicles and missiles. The reaction of polyol (HTPB) and diisocyanate (IPDI) provides the most versatile of the binders in the production of solid propellants due to its ability to withstand high loads ...
Roberta Jachura Rocha
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HTPB Propellant Aging

Journal of Spacecraft and Rockets, 1981
Three HTPB propellants, varying in solids loading from 88% to 91%, were selected and developed for evaluation studies including aging. The 88%-solids propellant was verified to fit a previously developed aging model. The aging model has been further successfully applied to the measured mechanical-property aging data for the higher-solids propellants ...
A.G. Christiansen, L.H. Layton, R.L. Carpenter   +2 more
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HNF/HTPB BASED COMPOSITE PROPELLANTS

International Journal of Energetic Materials and Chemical Propulsion, 2002
In a search for new storable high performance propellants for the European Space Agency (ESA), the solid oxidiser Hydrazinium Nitroformate (HNF) was identified as a very promising ingredient for a new storable composite propellant. Two distinct advantages of HNF based propellants over presently used Ammonium Perchlorate (AP) based propellants rvere the
Heijden, A.E.D.M. van der, Keizers, H.L.J., Veltmans, W.H.M.   +2 more
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Aging of HTPB/Al/AP Rocket Propellant Formulations Investigated by DMA Measurements

Propellants, Explosives, Pyrotechnics, 2013
Three HTPB-based rocket propellant formulations containing ammonium perchlorate and aluminum particles, with different aluminum content and particle size, have been manufactured.
Manfred A Bohn, Klaus Menke, Luciano Galfetti   +2 more
exaly   +2 more sources

Studying for the State Monitoring Time of HTPB Propellant

2016 9th International Symposium on Computational Intelligence and Design (ISCID), 2016
Using the finite element analysis to draw a certain type of HTPB propellent on duty in the natural storage and carrier state of stress - time curve, using the linear cumulative damage theory, the HTPB propellent of cumulative damage in both conditions are simulated and calculated the two states of cumulative damage factor, discuss the engine timing of ...
Yanhui Tang, Kehai Dong, Hao Wu, Bo Zhang, Liguan Pei   +4 more
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Solid Propellants based on ADN and HTPB

47th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit, 2011
The aim of this work was to perform an initial evaluation of ammonium dinitramide, ADN, as substitute for ammonium perchlorate, AP, in solid rocket propellants for large space launch boosters. This paper includes performance evaluation, curing and compatibility assessments, propellant formulation and determination of ballistic properties.
John de Flon, Sten Andreasson, Mattias Liljedahl, Carl Oscarson, Marita Wanhatalo, Niklas Wingborg   +5 more
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Flame response of solid propellant AP/Al/HTPB to a longitudinal acoustic wave

International Journal of Spray and Combustion Dynamics, 2017
This paper is devoted to an experimental work which consists of the analysis of the flame of a small solid propellant sample, AP/Al/HTPB, subjected to a longitudinal acoustic wave.
Peijin Liu
exaly   +2 more sources

Combustion of AP/HTPB laminate propellants

37th Joint Propulsion Conference and Exhibit, 2001
The combustion of AP/HTPB laminate propellants has been investigated experimentally and theoretically. The experiments used simultaneous UV emission and transmission imaging to obtain information about the flame structure and the burning surface profile.
M. Brewster, G. Knott, B. Chorpening
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