Results 91 to 100 of about 4,415 (229)
A feasibility study for Scout polar launches from NASA Wallops Flight Center [PDF]
The feasibility of launching the Scout vehicle into a polar orbit from Wallops Flight Center is discussed. The impact of proposed flights on vehicle hardware and range safety are defined.
Myler, T. R.
core +1 more source
Modeling the effects of aluminum and ammonium perchlorate addition on the detonation of the high explosives C_4H_8O_8N_8 (HMX) and C_3H_6O_6N_6(RDX) [PDF]
, 2018 Metalized high explosives effectively tailor the explosion impulse at lowered detonation pressures of common high performance explosives such as C_3H_6O_6N_6 (RDX) and C_4H_8O_8N_8 (HMX).
Baek, Donghyeon +2 more
core
Active space debris removal by a hybrid propulsion module [PDF]
, 2013 During the last 40 years, the mass of the artificial objects in orbit increased quite steadily at the rate of about 145 metric tons annually, leading to a total tally of approximately 7000 metric tons.
Anselmo, L. +14 more
core +1 more source
Jurnal Teknologi Dirgantara, 2019 Pengembangan pengetahuan terhadap sifat rheologikal isian cair dari propelan berguna untuk mendapatkan sifat slurry yang optimum. Pengembangan ini dapat dimulai dari campuran HTPB-DOA sehingga penelitian ini bertujuan untuk mengetahui pengaruh DOA terhadap sifat rheologikal HTPB-DOA yang meliputi sifat alir terhadap shear rate, viskositas dan ...
Afni Restasari +3 more
openaire +1 more source
Catalytic effects of transition metal oxides on HTPB-based fuel polymer matrices
FirePhysChemLow regression rate due to difficult pyrolysis is a major challenge in the practical application of terminated hydroxyl‑terminated polybutadiene (HTPB)-based fuels in hybrid rocket propulsion.
Hongwei Gao +6 more
doaj +1 more source
Combustion chemistry of solid propellants [PDF]
Several studies are described of the chemistry of solid propellant combustion which employed a fast-scanning optical spectrometer. Expanded abstracts are presented for four of the studies which were previously reported.
Baer, A. D., Ryan, N. W.
core +1 more source
Polímeros, 2004 O desenvolvimento de sistemas não-poluentes tem sido cada vez mais necessário para atender às exigências ambientais. Neste trabalho foram sintetizadas formulações de poliuretanos à base de água para a obtenção de membranas densas cujas propriedades ...
Fernanda M. B. Coutinho +2 more
doaj +1 more source
Use of Taguchi design of experiments to optimize and increase robustness of preliminary designs [PDF]
The research performed this summer includes the completion of work begun last summer in support of the Air Launched Personnel Launch System parametric study, providing support on the development of the test matrices for the plume experiments in the Plume
Carrasco, Hector R.
core +1 more source
Ares V: A National Launch Asset for the 21st Century [PDF]
, 2009 NASA is designing the Ares V as the cargo launch vehicle to carry NASA's exploration plans into the 21st century. The Ares V is the heavy-lift component of NASA's dual-launch architecture that will replace the current space shuttle fleet, complete the ...
Creech, Steve, Sumrall, Phil
core +1 more source
Hybrid Propulsion Technology Program [PDF]
Future launch systems of the United States will require improvements in booster safety, reliability, and cost. In order to increase payload capabilities, performance improvements are also desirable.
Holzman, A. L., Jensen, G. E.
core +1 more source