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...consists of a [[ramjet]], [[scramjet]], and [[air-augmented rocket|ducted rocket]], where all three systems use a shared flow path.<ref>[https://web.archive A '''TBCC''', or turbine-based combined cycle propulsion system, is a [[Gas turbine|turbine engine]] combined with a [[ra ...

...luid is then dumped (open cycle), or cooled, compressed and reused (closed cycle). In these types of engines, the combustion is primarily used as a heat source, and the engine can work ...

{{More citations needed|date=December 2021}}{{short description|Rocket engine operation method}} ...ly to [[Turbopump|power the pumps]] and then discarded. Most gas-generator engines use the fuel for nozzle cooling.]] ...

{{Short description|Proposed hydrolox rocket engine intended to surpass the RS-68}} {{Infobox rocket engine ...

{{Short description|Rocket engine operation method}} [[Image:Pressure fed rocket cycle.svg|thumb|right|270px|Pressure-fed rocket cycle. Propellant tanks are pressurized to directly supply fuel and oxidizer to ...

|image = XLR-99 Rocket Engine USAF.jpg |caption = An XLR-99 rocket engine. ...

* ''Sabre'' (1997), a novel by [[James Follett]] ==Aircraft and rocket engines== ...

...ustion_cycle#Full-flow_staged_combustion_cycle|full flow staged combustion cycle]] (FFSC). The prime contractors were [[Rocketdyne]] and [[Aerojet]].<ref>[[ ...uture engine development project. No subsequent funding was made available by public policymakers, so no full engine design was ever completed. ...

{{short description|Family of rocket engines developed by SpaceX for use on its Falcon 1 launch vehicles}} {{Infobox rocket engine ...

{{infobox rocket engine |image=Rolls-Royce RZ2 rocket engine.jpg ...

{{Short description|Soviet rocket engine}} {{Infobox rocket engine ...

{{Short description|Russian rocket engineer (1908–1971)}} | significant_design = [[Staged combustion cycle|Staged combustion]] ...

{{Short description|Rocket engine}} {{infobox rocket engine ...

<!--{{redirect|Minimum cost design (rocket)}}-->{{Short description|States that it is cheaper to operate simple large ...gn.pdf ''Minimum Cost Design for Space Operations''.]</ref> As referred to by the [[Office of Technology Assessment]]: ...

{{Short description|American sounding rocket}} {{about|the American sounding rocket|the Argentinian sounding rocket|Orión (rocket)|the spacecraft|Orion (spacecraft)|other uses|Orion (disambiguation){{!}}Or ...

{{Redirect|Ram rocket|the missile|Ram (rocket)}} ...g to greater effective thrust for any given amount of fuel than either the rocket or a ramjet alone.<ref>{{Cite web|url=https://www.scientific.net/paper-keyw ...

{{for|jet engines that cool but do not liquefy the air|Precooled jet engine}} ...its [[oxidizer]] from the [[Earth's atmosphere|atmosphere]]. A liquid air cycle engine uses [[liquid hydrogen]] (LH2) fuel to liquefy the air. ...

{{short description|Soviet (now Russian) rocket engine, the most powerful in the world}} {{Infobox rocket engine ...

{{short description|Type of vibration in a rocket engine}} ...riations in propellant pressure and flow rate, closing the self-excitation cycle. The name is a metaphor comparing the [[Flight control surfaces#Longitudina ...

...Bot generated title -->]</ref> where <math>\eta_\mathrm{c}</math> is the [[cycle efficiency]] and <math>\eta_\mathrm{p}</math> is the propulsive efficiency. The cycle efficiency is expressed as the percentage of the heat energy in the fuel th ...