Expansion tunnel

https://www.wikidata.org/wiki/Q5420792

Field Hierarchy

Parent
Physics 33.6M papers	Engineering 25.6M papers	Thermodynamics 5.2M papers	Mechanics 2.9M papers
Aerospace engineering 2.3M papers	Mach number 49.8k papers	Hypersonic speed 21.4k papers	Flow (psychology) 19 papers
Current
Expansion tunnel 1,549 papers
Child

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History