TERMIUM Plus®

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

BLADE PITCH ANGLE [4 records]

Record 1 2014-10-21

English

Subject field(s)
  • Aircraft Piloting and Navigation
  • Aircraft Propulsion Systems
DEF

The acute angle between the no-lift direction and the plane normal to the hub axis.

OBS

Pitch is not the same as blade angle, but, because pitch is largely determined by blade angle, the two terms are often used interchangeably. An increase or decrease in one is usually associated with an increase or decrease in the other.

OBS

The usual symbol for blade angle is the Greek letter beta.

French

Domaine(s)
  • Pilotage et navigation aérienne
  • Propulsion des aéronefs
DEF

Angle formé par la corde d'un profil [de pale] et le plan de rotation de l'hélice.

Spanish

Campo(s) temático(s)
  • Pilotaje y navegación aérea
  • Sistemas de propulsión de aeronaves
Save record 1

Record 2 2013-07-24

English

Subject field(s)
  • Aerodynamics and Theory of Gases
  • Electric Rotary Machines - Types
  • Wind Energy
DEF

The angle between the blade chord and the plane of the blade's rotation.

OBS

A blade carved with a twist has a different setting angle at the tip than at the root.

French

Domaine(s)
  • Théorie des gaz et aérodynamique
  • Machines tournantes électriques - types
  • Énergie éolienne
DEF

Angle formé par la corde d'une pale et le plan de rotation de cette dernière.

OBS

Une pale vrillée possédera un angle de calage à son extrémité qui sera différent de celui du pied.

Spanish

Campo(s) temático(s)
  • Aerodinámica y teoría de los gases
  • Máquinas rotativas eléctricas - tipos
  • Energía eólica
DEF

Ángulo agudo entre la cuerda de la pala de una hélice y su plano de rotación.

Save record 2

Record 3 1992-06-03

English

Subject field(s)
  • Construction Site Equipment
  • Earthmoving
DEF

Angle between the plane containing the forward surface of a flat cutting edge, or tangent to the forward surface at the bottom edge of the curved cutting edge, and the GRP [ground reference plane] when the lower edge of the cutting edge is on the GRP.

OBS

Graders terminology.

OBS

Term and definition standardized by ISO.

French

Domaine(s)
  • Matériel de chantier
  • Terrassement
DEF

Angle entre le plan contenant la surface frontale d'une lame de coupe plane, ou tangent à la surface frontale de l'arête inférieure de la lame de coupe incurvée, et le PRS [plan de référence au sol], quand l'arête inférieure de la lame de coupe se trouve sur le PRS.

OBS

Terminologie des niveleuses.

OBS

Terme et définition normalisés par l'ISO.

Spanish

Save record 3

Record 4 1986-05-05

English

Subject field(s)
  • Scientific Measurements and Analyses
  • Electric Rotary Machines

French

Domaine(s)
  • Mesures et analyse (Sciences)
  • Machines tournantes électriques

Spanish

Save record 4

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