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A Stirling engine is a heat engine that is operated by the cyclic expansion and contraction of air or other gas (the working fluid) by exposing it to different temperatures, resulting in a net conversion of heat energy to mechanical work.
History & Measurement
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| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Stirling engine | is a | heat engine that is operated by the cyclic expansion and contraction of air or other gas | 0.90 | text |
| Stirling engine | is a | closed cycle | 0.90 | text |
| Guillaume Amontons | instance of | along with earlier innovators | 0.80 | text |
| who built the first working hot air engine in 1699.Amontons was later followed by Sir George Cayley | instance of | along with earlier innovators | 0.80 | text |
| yourselves... at a special price of | instance of | remaining stocks... to institutions | 0.80 | text |
| aluminum | instance of | but may be acceptably low for metals | 0.80 | text |
| or even stainless steel | instance of | but may be acceptably low for metals | 0.80 | text |
| lubricating oil introduces an explosion hazard | instance of | The use of compressed air in contact with flammable materials or substances | 0.80 | text |
| because compressed air contains a high partial pressure of oxygen | instance of | The use of compressed air in contact with flammable materials or substances | 0.80 | text |
| non-ideal properties of the working gas | instance of | and limitations imposed by available materials | 0.80 | text |
| thermal conductivity | instance of | and limitations imposed by available materials | 0.80 | text |
| tensile strength | instance of | and limitations imposed by available materials | 0.80 | text |
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