نتایج جستجو برای: liquid propellant engine
تعداد نتایج: 289441 فیلتر نتایج به سال:
MAXIFLO-125 Inhaler Each actuation delivers: Formoterol Fumarate Dihydrate IP..................6 mcg Fluticasone Propionate IP............................125 mcg Suspended in propellant HFA 134a ...............q.s. MAXIFLO-250 Inhaler Each actuation delivers: Formoterol Fumarate Dihydrate IP .................6 mcg Fluticasone Propionate IP...........................250 mcg Suspended in propella...
1 SUMMARY To reduce the frequency of electrically initiated, 20mm munition hangfires (delayed ignitions), a joint Army/NASA investigation was conducted to recommend quality evaluation improvements for acceptance of both primers and gun propellant. This effort focused only on evaluating ignition and combustion performance as potential causes of hangfires: poor electrical initiation of the primer...
With latest improvements in MEMS, combustion based Micro-Power generation devices are seen as alternatives for conventional batteries because of the high energy densities of Hydrogen and other hydrocarbon fuels. An important feature of micro-power system is to utilize the combustion of fuel or propellant in the micro-burner to produce the gas with high temperature and high pressure to drive tur...
Lift capacity is the key performance of launch vehicle, and high chemical energy bi-propellants are commonly used for modern large liquid rockets. The residual unburned propellant has a strong effect on lift efficiency, especially orbital stages. In this paper, bias control mixture ratio studied, three models, including equal-probability depletion model (EPDM), equal-mass model(EMRM) optimum mo...
contamination of soil and air due to hydrocarbon is a global issue and bioremediation providesprobably the best way to remediate the contaminants. the current study shows the biodegradation of crudeoil, diesel and used engine oil by a newly isolated bacillus cereus strain drdu1 from an automobile engine.hydrocarbon degrading strains were screened on bh (bushnell and haas broth) agar supplemente...
In this paper, results are presented on asymmetric sloshing in partially filled circular cylinders subjected to horizontal, periodic forcing, as well as geyser formation and the subsequent axi-symmetric sloshing that is caused by a sudden change in Bond number. Asymmetric sloshing is controlled by three parameters that are the liquid depth parameter, the frequency offset (depending on forcing f...
Chemical propellants are a type of fuel that commonly used in rocket engines to provide the thrust necessary for space exploration and satellite launches. They composed mixture chemicals react produce hot gas, which is then expelled from engine generate required force. An overview properties applications chemical propellants, including their composition, performance, environmental impact provid...
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