Results 111 to 120 of about 21,310 (208)

Analysis of quasi-hybrid solid rocket booster concepts for advanced earth-to-orbit vehicles [PDF]

open access: yes
A study was conducted to assess the feasibility of quasi-hybrid solid rocket boosters for advanced Earth-to-orbit vehicles. Thermochemical calculations were conducted to determine the effect of liquid hydrogen addition, solids composition change plus ...
Andreev T.   +7 more
core   +2 more sources

Method for Effective Increasing the Decomposition Rate of Ammonium Perchlorate in Solid Rocket Fuel

open access: yesҚарағанды университетінің хабаршысы. Физика сериясы
Ammonium perchlorate (AP) is a common oxidizer in solid rocket propellants. For devices, the most im- portant parameter of which is the speed of movement, the key correlation is between the jet thrust and the combustion rate of fuels and, consequently ...
К.А. Moldosanov, V.M. Lelevkin
doaj   +1 more source

The investigation of flame spreading over the surface of igniting solid propellants Final summary report [PDF]

open access: yes
Flame spreading over surface of igniting solid propellants in different gas mixtures at various ...
Magee, R. S., Mc Alevy, R. F., III
core   +1 more source

Thermal decomposition behavior of ammonium perchlorate catalyzed by cobalt-based complexes

open access: yesCailiao gongcheng
The addition of a burning rate catalyst can affect the decomposition of oxidants and effectively regulate the burning rate of solid propellants. MOFs have aroused attentions due to their excellent properties in catalyzing the thermal decomposition of ...
ZHOU Peng   +6 more
doaj   +1 more source

Degradation mechanism, hydrocarbon polymers Final technical report [PDF]

open access: yes
Degradation of hydrocarbon polymers by exposure to 275 F for 400 hours in presence and in absence of ammonium ...
Hamermesh, C. L.
core   +1 more source

The State of Middle School and High School Science Labs in the Kansas City Region [PDF]

open access: yes, 2007
Shares findings from an audit of 170 school science labs, and makes recommendations for improvement in the areas of safety, facilities, equipment and materials, instruction and learning, and district ...

core  

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