All Questions
Tagged with scramjet hypersonic
5 questions
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Could liquid alkali metal fuels be used for ramjet/scramjet propulsion?
In particular, I'm thinking about lithium, but sodium could be considered as well.
Lithium has low molecular weight, very high propellant density, and low melting point. At sufficiently high ...
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Could hydrazine be used as a scramjet propellant?
Hydrazine is used a monopropellant in Satellite OMS rockets. But interestingly enough, it's highly exothermic decomposition into ammonia, nitrogen, and hydrogen provides heat for an endothermic ...
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What mechanism or design aspect prevents jet blast from escaping the front of a Ramjet or scram jet?
Enormous air pressures result in the thrust of a Scram jet or ramjet engine, more so the pressure required to drive the aircraft forward at supersonic and hypersonic speeds. Given that these engines ...
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What technical problems stopped scramjets from being used on hypersonic aircraft?
I have been researching hypersonic aircraft and scramjet engines after running a few calculations looking at ramjet/rocket hybrids for making single stage to orbit vehicles. After doing the analysis ...
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Are there any planes that have ramjet or scramjet engines?
Are there any planes that have ramjet or scramjet engines? If so, how did they reach the required mach speed for the engines to start functioning?