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{{short description|Radioisotope generator based on a Stirling engine powered by a large radioisotope heater unit}} [[file:Stirling radioisotope generator head testing.jpg|thumb|Component of Stirling radioisotope generator is [[induction heating|heated by induction]] during ...

...ustion engine]], and the [[Stirling engine#Free-piston engines|free-piston Stirling engine]], an [[external combustion engine]]. ...ww.freikolben.ch/linear-alternator.shtml Linear Alternators in Free Piston Engines] ...

...e:ASRG Labeled Cutaway (English).jpg|thumb|Cutaway diagram of the advanced Stirling radioisotope generator]] ...developed at NASA's [[Glenn Research Center]]. It uses a [[Stirling cycle|Stirling]] power conversion technology to convert radioactive-decay heat into electr ...

| concept = [[Stirling engine]] ...}}</ref> In 2018, positive test results for the '''Kilopower Reactor Using Stirling Technology''' ('''KRUSTY''') demonstration reactor were announced.<ref name ...

...engine]]s such as [[Stirling engine]]s would not be possible. Unlike heat engines, the [[solid-state (electronics)|solid state]] electrical components typica ...ic generator in exhaust systems of spark-ignition and compression-ignition engines. A comparison with an electric turbo-generator|journal=Applied Energy|volum ...

...s.<ref name=ip/> One mission proposed using the electricity to power [[ion engines]], calling this method radioisotope electric propulsion (REP).<ref name=ip/ | [[Advanced Stirling Radioisotope Generator|ASRG]]**** || prototype design (not launched), [[Dis ...

* [[Reciprocating engines]] * [[Stirling engine]]s ...

...tput to chemical energy in fuel) of petroleum [[internal combustion engine|engines]] has increased since the beginning of the [[History of the automobile|auto ...on diesel engines, which tend to achieve greater fuel efficiency than gas engines. Selling those cars in the United States is difficult because of emission s ...

...not be put into widespread or routine service use by navies until suitable engines were developed. The era from 1863 to 1904 marked a pivotal time in submarin ...n true submarines, U-boats operated primarily on the surface using regular engines, submerging occasionally to attack under battery power. They were roughly t ...

...ctric motors are used as a supplementary propulsion to internal combustion engines, became more widespread in the late 1990s. [[Plug-in hybrid electric vehicl ...biles, and before the preeminence of light, powerful [[internal combustion engines]] (ICEs), electric automobiles held many vehicle land speed and distance re ...

...some have modified their vehicles substantially, adding bigger wheels, jet engines, and high-powered electric motors to propel their C5s at speeds of up to {{ ...ric+vehicle&pg=PA26}}</ref> However, the efficiency of internal combustion engines greatly improved while battery technology advanced much more slowly, leadin ...

[[File:20000 Nautilus engines.jpg|thumb|upright|Original illustration of [[Jules Verne]]'s ''Nautilus'' e [[Nick Gevers]]'s original anthology ''Extraordinary Engines'' (2008) features newer steampunk stories by some of the genre's writers, a ...

{{short description|Calculation commonly applied to engines and mobile power sources}} ...to operate at very high speeds. For example, the [[Space Shuttle]]'s main engines used [[turbopump]]s (machines consisting of a pump driven by a turbine engi ...

...olar tower collectors, the concentrating linear Fresnel reflector, and the Stirling dish. Various techniques are used to track the Sun and focus light. In all ...tric motors]] rather than [[Internal combustion engine|internal combustion engines]], with electricity coming from [[Fuel cell|fuel cells]], [[Solar cell|sola ...