TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

SUPERSONIC WIND TUNNEL [7 records]

Record 1 2011-12-21

English

Subject field(s)
  • Engineering Tests and Reliability
  • Aeronautical Engineering and Maintenance
CONT

Instrumentation.-Two flow survey rakes... were placed on the flat plate. The rakes were lent from NASA [National Aeronautics and Space Administration] Glenn Research Center(Cleveland, Ohio), where they were used as throat calibration rakes in the 10-by 10-ft supersonic wind tunnel. Each rake was 2 ft tall and had 16 total-pressure elements. Each rake was fitted with two hemispherical-tip five-hole probes for flow-angle measurements; these probes also incorporated static taps for instream static-pressure measurements.

CONT

Wind Tunnel Mechanical Technologist. … Key Activities. Under the supervision of the Uplands Facilities Operations Supervisor, the main duties will be to: Assist more experienced technicians to prepare test sections, instrumentation (i.e. cable routing, mounting hardware etc.) and model support systems for wind tunnel testing. Inspect, install, and maintain mechanical components such as model support struts, flow survey rakes and flow measurement devices; …

OBS

rake (peigne de mesure): A device consisting essentially of a row of pressure-measuring tubes or temperature-sensitive elements arranged like a rake or comb, used to sense the pressure or temperature at desired intervals in a fluid flow.

French

Domaine(s)
  • Fiabilité, contrôle et essais (Ingénierie)
  • Aérotechnique et maintenance
OBS

Le LEA [Laboratoire d'Études Aérodynamiques] traite de la mécanique des fluides, avec une vocation marquée pour l’étude des écoulements instationnaires turbulents ou non, dans l’hypothèse d’incompressibilité ou au contraire avec effets de compressibilité. Ses activités de recherche s’appuient traditionnellement sur des installations expérimentales conséquentes, et font fortement appel à des techniques de mesure et d’analyse diverses.

OBS

Ce «peigne» est destiné à mesurer la répartition des pressions instationnaires en écoulement interne.

Spanish

Save record 1

Record 2 2008-09-30

English

Subject field(s)
  • Aerodynamics and Theory of Gases
  • Aeronautical Engineering and Maintenance
CONT

The Mach number and temperature calibration of an axisymmetric, intermittent-flow supersonic wind tunnel.... Static pressure and temperature surveys were conducted in the 4. 5-inch diameter, axisymmetric, intermittent-flow, supersonic wind tunnel to determine the flow characteristics.

Key term(s)
  • intermittent flow supersonic wind tunnel

French

Domaine(s)
  • Théorie des gaz et aérodynamique
  • Aérotechnique et maintenance
OBS

Fonctionnant dans des régimes d'écoulement subsonique, transsonique et supersonique, à des vitesses allant de Mach 0,1 à plus de Mach 4, l'installation d'écoulement intermittent pressurisée constitue un endroit idéal pour l'essai de modèles dans diverses conditions.

Spanish

Save record 2

Record 3 2002-11-25

English

Subject field(s)
  • Meteorology
CONT

To study small scale temperature variations in the vicinity of noctilucent clouds(NLC) neutral density measurements by means of rocket borne ionization gauges have been converted to temperatures assuming hydrostatic equilibrium. The correction of aerodynamic disturbances caused by the supersonic motion of the sounding rockets has been performed applying Monte Carlo simulations and wind tunnel measurements.

OBS

An aerodynamic raingauge, designed to minimise loss of rainfall catch caused by disturbance of the airflow around it.

Key term(s)
  • airflow disturbance
  • disturbance of the airflow

French

Domaine(s)
  • Météorologie
CONT

La mesure correcte des précipitations est délicate, bien que le pluviomètre soit l'appareil de mesure météorologique le plus répandu. Quel que soit le matériel utilisé, le pluviomètre crée une perturbation aérodynamique qui modifie plus ou moins le champ des précipitations en créant, dans son voisinage immédiat, des tourbillons qui affectent la quantité de pluie, et surtout de neige, captée.

Spanish

Save record 3

Record 4 2002-04-29

English

Subject field(s)
  • Astronautics

French

Domaine(s)
  • Astronautique

Spanish

Save record 4

Record 5 1976-06-19

English

Subject field(s)
  • Scientific Research Equipment
  • Fluid Mechanics and Hydraulics (Physics)

French

Domaine(s)
  • Matériel et équipement (Recherche scientifique)
  • Mécanique des fluides et hydraulique (Physique)

Spanish

Save record 5

Record 6 1976-06-19

English

Subject field(s)
  • Aeronautics and Aerospace Industry

French

Domaine(s)
  • Aéronautique et aérospatiale
OBS

BT-138

Spanish

Save record 6

Record 7 1976-06-19

English

Subject field(s)
  • Scientific Research Facilities

French

Domaine(s)
  • Installations de recherche scientifique

Spanish

Save record 7

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