Results 81 to 90 of about 4,212 (194)
Research on mechanical properties of HTPB propellants
Journal of Physics: Conference SeriesAbstract Slat propellants with different sizes and shapes are designed to investigate the strength criteria of HTPB propellants. According to the calculation and simulation results, with the increase of multiple, the designed size slat specimens can achieve equivalent biaxial tensile stress ratios of 1:2, 1:2.5, 1:3, 1:3.5, and 1:4 under
Chang Liu +4 more
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Exploiting technological synergies for future launch vehicles [PDF]
, 2013 Two launch vehicle concepts based on technologies available today or in a short term future in Western Europe are presented. The design of both launchers has the goal of exploiting synergies with current European programs to limit development and ...
Burkhardt, Holger +5 more
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Block 2 SRM conceptual design studies. Volume 1, Book 1: Conceptual design package [PDF]
The conceptual design studies of a Block 2 Solid Rocket Motor (SRM) require the elimination of asbestos-filled insulation and was open to alternate designs, such as case changes, different propellants, modified burn rate - to improve reliability and ...
Doll, Dan +8 more
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A Unique Hybrid Propulsion System Design for Large Space Boosters [PDF]
A study was made of the application of hybrid rocket propulsion technology to large space boosters. Safety, reliability, cost, and performance comprised the evaluation criteria, in order of relative importance, for this study.
Rodgers, Frederick C.
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EngHydroxyl-terminated polybutadiene (HTPB) is widely studied and the most used prepolymer for the binder system of composite solid propellants. A suitable functionalization of HTPB with energetic groups greatly improves the performance of the propellant ...
Ventsislav Bakov +5 more
doaj +1 more source
Модель гибридного ракетного двигателя. Вычисления, проект и испытания [PDF]
, 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
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Synthesis of propellant grade HHTPB by hydrogenation of HTPB using Pd-activated charcoal as catalyst
FirePhysChemTo derive more performance from the conventional composite propellant based on hydroxyl-terminated polybutadiene (HTPB) and ammonium perchlorate (AP), it is envisaged to hydrogenate HTPB, which increases the H/C (hydrogen to carbon ratio) of the base ...
Ch. Devi Vara Prasad +3 more
doaj +1 more source
Refining the Ares V Design to Carry Out NASA's Exploration Initiative [PDF]
, 2008 NASA's Ares V cargo launch vehicle is part of an overall architecture for u.S. space exploration that will span decades. The Ares V, together with the Ares I crew launch vehicle, Orion crew exploration vehicle and Altair lunar lander, will carry out the ...
Creech, Steve
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Hybrid propulsion technology program. Volume 1: Conceptional design package [PDF]
A concept design study was performed to configure two sizes of hybrid boosters; one which duplicates the advanced shuttle rocket motor vacuum thrust time curve and a smaller, quarter thrust level booster.
Holzman, Allen L. +5 more
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Heterogeneous fuel for hybrid rocket [PDF]
, 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.
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