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BOW WAVE [7 records]

Record 1 2013-04-26

English

Subject field(s)
  • Road Construction Materials
DEF

A phenomenon that may occur during the compaction of fine soil with clay or silt, or granular material that contains too much moisture.

OBS

After several passes with the compactor, the soil or granular material behaves like an elastic material, creating a wave that advances in front of the compactor. Proper compaction cannot be obtained without reducing the moisture content.

OBS

mattress effect; bow wave; cushioning: terms and definition proposed by the World Road Association.

French

Domaine(s)
  • Matériaux de constr. (Voies de circulation)
DEF

Phénomène pouvant se produire lors du compactage d'un sol fin argileux ou limoneux, ou d'une grave à teneur en eau trop élevée.

OBS

Après quelques passes de compacteur, le sol ou la grave se comporte comme un matériau élastique, créant une vague qui avance devant le compacteur. Un compactage correct ne peut plus être obtenu sans que la teneur en eau soit diminuée.

OBS

effet de matelas; coussin de caoutchouc; panse de vache : termes et définition proposés par l'Association mondiale de la route.

Spanish

Save record 1

Record 2 2004-04-15

English

Subject field(s)
  • Space Physics
CONT

The Earth's magnetic field presents an obstacle to the solar wind, as a rock in a running stream of water. This obstacle is called a bow shock. The bow shock slows down, heats, and compresses the solar wind, which then flows around the rest of Earth's magnetic field.

CONT

The solar wind is ejected from the Sun at tremendous velocities, and as it approaches the Earth, its momentum compresses the outward extension of the geomagnetic field on the dayside of the Earth and greatly elongates it on the nightside to form the magnetosphere. At a certain distance "upstream" from Earth, the incoming solar wind flow is slowed and deflected by the dayside geomagnetic field, forming a supersonic shock wave located in front of the magnetosphere. This shock wave is known as the bow shock because of its similarity to the wave at the bow of a moving ship.

French

Domaine(s)
  • Physique spatiale
CONT

Une onde de choc est formée devant la magnétosphère de la Terre, délimitant la région où le flux du vent solaire est affecté par la présence de la Terre. À hauteur de l'onde de choc, le vent solaire supersonique est ralenti et devient subsonique. Le vent solaire dans la magnétogaine, la région entre le bouclier et la magnétosphère de la Terre, est obligé de couler autour de la magnétosphère de la Terre et est comprimé.

Spanish

Save record 2

Record 3 2001-08-02

English

Subject field(s)
  • River and Sea Navigation
  • Water Transport
OBS

produced by a running ship.

French

Domaine(s)
  • Navigation fluviale et maritime
  • Transport par eau
OBS

produite par un navire en marche.

Spanish

Save record 3

Record 4 2001-07-20

English

Subject field(s)
  • Pleasure Boating and Yachting

French

Domaine(s)
  • Yachting et navigation de plaisance

Spanish

Campo(s) temático(s)
  • Vela y navegación de placer
Save record 4

Record 5 2000-04-04

English

Subject field(s)
  • Fluid Mechanics and Hydraulics (Physics)
  • Air Traffic Control
DEF

A shock wave in front of a body, such as an airfoil, or apparently attached to the forward tip of the body.

French

Domaine(s)
  • Mécanique des fluides et hydraulique (Physique)
  • Circulation et trafic aériens
OBS

onde de choc amont : terme uniformisé par le Comité d'uniformisation de la terminologie aéronautique (CUTA) - Opérations aériennes.

Key term(s)
  • onde de nez

Spanish

Campo(s) temático(s)
  • Mecánica de fluidos e hidráulica (Física)
  • Control de tránsito aéreo
Save record 5

Record 6 1996-12-30

English

Subject field(s)
  • Fluid Mechanics and Hydraulics (Physics)

French

Domaine(s)
  • Mécanique des fluides et hydraulique (Physique)
DEF

Bourrelet d'eau qui naît au voisinage de l'étrave d'un navire en route et se poursuit en ondes le long de la coque et, au-delà, par le sillage.

Spanish

Campo(s) temático(s)
  • Mecánica de fluidos e hidráulica (Física)
Save record 6

Record 7 1994-01-27

English

Subject field(s)
  • Air Transport

French

Domaine(s)
  • Transport aérien

Spanish

Campo(s) temático(s)
  • Transporte aéreo
Save record 7

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