Expansion tunnel

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

Field Hierarchy

Parent
Physics 31.7M papers	Engineering 23.9M papers	Thermodynamics 5M papers	Mechanics 2.8M papers
Aerospace engineering 2M papers	Mach number 50.1k papers	Hypersonic speed 19.6k papers
Current
Expansion tunnel 1,514 papers
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