About: Variable Density Tunnel

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The Variable Density Tunnel (VDT) was the second wind tunnel at the National Advisory Committee for Aeronautics (NACA) Langley Research Center. Proposed by German aerospace engineer, Max Munk in May, 1921, it was the world's first variable density wind tunnel and allowed for more accurate testing of small-scale models than could be obtained with atmospheric wind tunnels. It was actively used as a wind tunnel from 1923 until its retirement in the 1940s. Langley Research Center historian, James R. Hansen, wrote that the VDT provided results superior to the atmospheric wind tunnels used at the time and was responsible for making NACA, the precursor to NASA, "a world leader in aerodynamic research". It is now on display on the Langley grounds, near the old Reid Conference Center and is a Natio

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rdf:type	Thing route of transportation Building yago:WikicatBuildingsAndStructuresInHampton,Virginia yago:WikicatBuildingsAndStructuresOnTheNationalRegisterOfHistoricPlacesInVirginia geo:SpatialThing architectural structure yago:Artifact100021939 yago:Building102913152 yago:Object100002684 yago:PhysicalEntity100001930 yago:YagoGeoEntity yago:YagoPermanentlyLocatedEntity building yago:Structure104341686 yago:Whole100003553
rdfs:label	Variable Density Tunnel (en)
rdfs:comment	The Variable Density Tunnel (VDT) was the second wind tunnel at the National Advisory Committee for Aeronautics (NACA) Langley Research Center. Proposed by German aerospace engineer, Max Munk in May, 1921, it was the world's first variable density wind tunnel and allowed for more accurate testing of small-scale models than could be obtained with atmospheric wind tunnels. It was actively used as a wind tunnel from 1923 until its retirement in the 1940s. Langley Research Center historian, James R. Hansen, wrote that the VDT provided results superior to the atmospheric wind tunnels used at the time and was responsible for making NACA, the precursor to NASA, "a world leader in aerodynamic research". It is now on display on the Langley grounds, near the old Reid Conference Center and is a Natio (en)
foaf:name	Variable Density Tunnel (en)
name	Variable Density Tunnel (en)
geo:lat	37.078609 (xsd:float)
geo:long	-76.344170 (xsd:float)
foaf:depiction
location	Hampton, Virginia
dcterms:subject	1921 establishments in Virginia National Advisory Committee for Aeronautics Langley Research Center Buildings and structures in Hampton, Virginia National Historic Landmarks in Virginia Air transportation buildings and structures on the National Register of Historic Places Transportation buildings and structures on the National Register of Historic Places in Virginia Wind tunnels National Register of Historic Places in Hampton, Virginia
Wikipage page ID	16893985 (xsd:integer)
Wikipage revision ID	1122204963 (xsd:integer)
Link from a Wikipage to another Wikipage	1921 establishments in Virginia Max Munk NACA National Historic Landmark Boeing B-17 Flying Fortress National Advisory Committee for Aeronautics List of National Historic Landmarks in Virginia Reynolds number University of Göttingen Douglas DC-3 Eastman Jacobs James R. Hansen Langley Research Center Model aircraft NASA Buildings and structures in Hampton, Virginia Lockheed P-38 Lightning Ludwig Prandtl Density National Historic Landmarks in Virginia Wind tunnels Langley Research Center Aircraft Air transportation buildings and structures on the National Register of Historic Places Transportation buildings and structures on the National Register of Historic Places in Virginia Fluid dynamics North American P-51 Mustang Fluid Hampton, Virginia Dynamic viscosity Wind tunnels National Register of Historic Places in Hampton, Virginia Aerodynamics National Advisory Committee for Aeronautics National Register of Historic Places listings in Hampton, Virginia Newport News, Virginia World War I World War II Wind tunnel Kinematic viscosity United States National Park Service SI units Northrop Grumman Shipbuilding
Link from a Wikipage to an external page	http://www.nps.gov/history/nr/travel/aviation/ http://crgis.ndc.nasa.gov/historic/1226
sameAs	Variable Density Tunnel Variable Density Tunnel Variable Density Tunnel Variable Density Tunnel
uses	Measuring aerodynamic qualities of airfoils (en)
dbp:wikiPageUsesTemplate	dbt:Commons_category dbt:Convert dbt:Coord dbt:Infobox_NRHP dbt:Math dbt:National_Register_of_Historic_Places_in_Virginia dbt:Reflist dbt:Infobox_laboratory_equipment

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