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CRITICAL VIBRATION [4 records]

Record 1 2022-02-21

English

Subject field(s)
  • Facilities and Instruments (Astronomy)
CONT

The James Webb Space Telescope is one of the most exciting science projects at present. NASA [...] recently used [a] software system to monitor the critical lifting and mating of the Optical Telescope Element and Integrated Science Instrument Module(OTIS) for the James Webb Space Telescope to its vibration test fixture.

French

Domaine(s)
  • Installations et instruments (Astronomie)
OBS

OTIS : Optical Telescope Element and Integrated Science Instrument Module

Spanish

Save record 1

Record 2 2016-03-15

English

Subject field(s)
  • Space Weapons
  • Lasers and Masers
  • Materials Engineering
CONT

damping technology would be applied to reduce laser beam jitter, dwell time, and to permit slewing from one target to another in fractions of a second with a laser battle station.

CONT

this vibration damping technology is the critical need for developing the techniques for firing a laser in space.

French

Domaine(s)
  • Armes orbitales
  • Masers et lasers
  • Génie des matériaux

Spanish

Save record 2

Record 3 2014-08-27

English

Subject field(s)
  • Electrical Measurements
  • Stators and Rotors (Electrical Components)
  • Electric Rotary Machines
DEF

critical torsional speeds : The speeds at which the amplitudes of the vibrations of a machine rotor due to shaft torsional vibration reach their maximum values.

OBS

critical torsional speed: The plural form of this term (critical torsional speeds) and the plural definition have been standardized by the International Electrotechnical Commission (IEC).

Key term(s)
  • critical torsional speeds

French

Domaine(s)
  • Mesures électriques
  • Stators et rotors (Composants électrotechniques)
  • Machines tournantes électriques
DEF

vitesses critiques de torsion : Vitesses auxquelles les amplitudes des vibrations du rotor d'une machine, dues aux vibrations de torsion de l'arbre, atteignent leurs valeurs maximales.

OBS

vitesse critique de torsion : Le terme au pluriel (vitesses critiques de torsion) et la définition au pluriel ont été normalisés par la Commission électrotechnique internationale (CEI).

Key term(s)
  • vitesses critiques de torsion

Spanish

Campo(s) temático(s)
  • Medición eléctrica
  • Estatores y rotores (Componentes eléctricos)
  • Máquinas rotativas eléctricas
DEF

velocidades críticas de torsión: Velocidades a las que las amplitudes de las vibraciones del rotor de una máquina, debidas a las vibraciones de torsión del eje, alcanzan sus valores máximos.

OBS

velocidad crítica de torsión: término utilizado generalmente en plural.

Key term(s)
  • velocidades críticas de torsión
Save record 3

Record 4 2014-08-27

English

Subject field(s)
  • Electrical Measurements
  • Stators and Rotors (Electrical Components)
  • Electric Rotary Machines
DEF

critical whirling speeds : The speeds at which the amplitudes of the vibrations of a machine rotor due to shaft bending vibration reach their maximum values.

OBS

critical whirling speed: The plural form of this term (critical whirling speeds) and the plural definition have been standardized by the International Electrotechnical Commission (IEC).

Key term(s)
  • critical whirling speeds

French

Domaine(s)
  • Mesures électriques
  • Stators et rotors (Composants électrotechniques)
  • Machines tournantes électriques
DEF

vitesses critiques de flexion : Vitesses auxquelles les amplitudes des vibrations du rotor d'une machine, dues aux vibrations de flexion de l'arbre, atteignent leurs valeurs maximales.

OBS

vitesse critique de flexion : Le terme au pluriel (vitesses critiques de flexion) et la définition au pluriel ont été normalisés par la Commission électrotechnique internationale (CEI).

Key term(s)
  • vitesses critiques de flexion

Spanish

Campo(s) temático(s)
  • Medición eléctrica
  • Estatores y rotores (Componentes eléctricos)
  • Máquinas rotativas eléctricas
DEF

velocidades críticas de flexión: Velocidades a las que las amplitudes de las vibraciones del rotor de una máquina, debidas a las vibraciones de flexión del eje, alcanzan sus valores máximos.

OBS

velocidad crítica de flexión: término utilizado generalmente en plural.

Key term(s)
  • velocidades críticas de flexión
Save record 4

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