7. Glossary
Vein tuning; tunnel calibration
Operation designed to determine the flow occurring in the empty section of a wind tunnel.
Priming; nozzle starting
Switching from subsonic to supersonic flow in a nozzle.
Ascendance; upwash tunnel
Angle between the wind and the vein axis in the vertical plane.
Scales; Scales
Force measurement device.
Bruit de fond; background noise
Noise in the test section in the absence of a model.
Chambre de tranquillisation; settling chamber
Area of the aerodynamic circuit designed to homogenize the flow upstream of the test section.
Choc ; Shock
Abrupt...
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Bibliography
Standards and norms
- Flight mechanics – concepts, quantities and symbols. - ISO 1151 - 1988
- Mesure de débit des fluides au moyen d'appareils déprimogènes insérés dans des conduites en charge de section circulaire (parties 1 à 4). - ISO 5167 - (2003)
Websites
Office national d'études et de recherches aérospatiales (ONERA - French national aerospace research agency)
German-Dutch Wind Tunnels
European Transonic Wind Tunnel ETW
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