نتایج جستجو برای: rocket
تعداد نتایج: 4529 فیلتر نتایج به سال:
Japanese sounding rocket “S-310-35” was launched from Andøya Rocket Range in Norway on December 13, 2004 during Dynamics and Energetics of the Lower Thermosphere in Aurora (DELTA) campaign, in which the rocket-borne in-situ measurements and ground-based measurements were coordinated to carry out a comprehensive observation of the thermospheric response against the auroral energy input. The inst...
Wild rocket [Diplotaxis tenuifolia (L.) DC.] belongs to the Brassicaceae family and has its origin in the Mediterranean region. The effect of conventional and integrated cultivation practices on the nutritional properties and benefits of wild rocket [Diplotaxis tenuifolia (L.) DC.] were studied. Bioactive molecules content (vitamin C, quercetin, lutein), antioxidant properties and bioactivity o...
T H E engineering fundamentals, potentialities and problems associated with the alapli,cat'ion .of nuclear energy to rocket propulsion ,have been .reporte.d. 3,4,s,~1,24,2~,2~ Work on nuclear rocket propulsion 'has been underway at the Los Alamos Scientific LaSoratory for a number .o,f years under the code name Project Rover. ~ An inherent advantage of nuclear prop.ulsion is t'he unlimited ener...
This paper reports on a small pilot project undertaken during May 2000 at the Department of Information Science, Loughborough University. The study considers student and staff evaluation of two electronic reader products which are available for purchase in the United Kingdom – NuvoMedia’s Rocket eBook (hardware and software) and Glassbook Inc’s Glassbook (software). As the paper concludes, alth...
Rockets are the only direct anthropogenic emission sources into the upper atmosphere. Gaseous rocket emissions include CO, N2, H2, H2O, and CO2, while solid rocket motors (SRM) additionally inject signi¦cant amounts of aluminum oxide (Al2O3) particles and gaseous chlorine species into the atmosphere. These emissions strongly perturb local atmospheric trace gas and aerosol distributions. Here, t...
A Rocket Based Combined Cycle combustor model is tested at a ground direct connected rig to investigate the flame holding characteristics with a small rocket exhaust using liquid kerosene. The total temperature and the Mach number of the vitiated air flow, at exit of the nozzle are 1505 K and 2.6, respectively. The rocket base is embedded in a fuel injecting strut and mounted in the center of t...
Curing tobacco causes deforestation in developing countries around the world. In Bangaldesh, curing tobacco is responsible for 30% of deforestation. Many approaches have been taken to curb tobacco related deforestation, including afforestation, solar power, and energy efficiency. The Rocket Barn, an energy efficient curing barn, has shown promise. However, the Rocket Barn still uses firewood. T...
Recent interest in open source instruction set architecture (ISA) such as RISC-V has opened new horizons for computer systems research across operating systems, compilers, and hardware architectures. One fundamental aspect catalyzing these innovations is the ability to emulate a complete system. This allows researchers evaluate their ideas on real hardware without the hassle of building infrast...
We have studied the ignition of fuel sprays and simulated solid rocket fuels (SRF) by the photoignition of single wall carbon nanotubes (SWCNTs) with an ordinary camera flash. Our investigation includes the effect of solid additives such as aluminum nano-particles and solid oxidizers such as ammonium perchlorate (AP) on the photoignition characteristics. We have shown that by mixing CNT with ot...
This paper discusses a set of experiences I had in developing ROCKET, an early application generator in the area of rocket flight mechanics at the Rand Corporation. It begins by describing a precursor system I worked on at General Dynamics. It also covers some experiences with the interactive Graphic ROCKET followon, and POGO, an early GUI builder. It concludes by relating these to the recent M...
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