scramjet
Noun
Meaning
scramjet (plural scramjets)
(aeronautics) A jet engine capable of propelling an aircraft at hypersonic speeds, in which combustion of the fuel/air mixture occurs at supersonic speeds.
Related terms
Phrases with the word
Examples
Although scramjet engines have been studied for many decades, only recently have small experimental units been flight tested and then only very briefly (e.g. the Boeing X-43 ).
In May 2010 the Boeing X-51 set the endurance record for the longest scramjet burn at over 200 seconds.
The facility has also been used for scramjet propulsion studies ( National Aerospace Plane (NASP) ) and meteoroid/orbital debris impact studies ( Space Station and RLV ).
The name "scramjet" comes from "Supersonic Combusting Ramjet."
The NASP was supposed to have been a scramjet powered hypersonic aircraft, but failed in development.
Thus with for example scramjet designs (e.g. X-43 ) the mass budgets do not seem to close for orbital launch.