en

rotation speed

1

Terminological databases

Metroloogia terminibaas

ID 1146638 Last modified 26.11.2025
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Domain Standardisation - Metrologymeasuring instruments
tugipöörlemissagedus preferred
nimipöördsagedus
tugikiirus former
normaalkiirus former
rotation speed
  • rootori pöörlemise sagedus väljendatuna pööretes minuti kohta kui arvesti on tugitingimustel ning sellele on rakendatud tugivool võimsusteguri väärtusega 1
  • nominal speed of rotation of the rotor expressed in revolution per minute when the meter is under reference conditions and carries reference current at unity power-factor
tugipöörlemissagedus preferred
Usage examples
  • Tugipöörlemissagedused võivad olla pidevad sageduspunktid, mis hõlmavad arvesti kogu katsetsükli pöörlemisvahemikku.
nimipöördsagedus
tugikiirus former
normaalkiirus former
rotation speed
Usage examples
  • Rotation speeds may be continuous speed points covering the complete test cycle speed range of meter.
reference speed

Metroloogia terminibaas

ID 572673 Last modified 26.11.2025
View dataset
View dataset
Domain Standardisation - Metrology
pöörlemissagedus preferred
pöörete arv former
pöörlemiskiirus deprecated
rotational frequency preferred
rate of rotation
speed frequency
revolutions per unit of time
number of revolutions per unit of time
rotation speed former
speed of rotation former
  • täispöörete arv ajaühiku jooksul
  • nurkkiirus ω jagatud nurgaga 2π, mille tulemusena n = |ω|/2π
  • magnitude of the angular velocity ω divided by the angle 2π, thus n = |ω|/2π
pöörlemissagedus preferred
Usage examples
  • Pöörlemissagedust saab formuleerida ka pöörete arvu N hetkelise muutumise kiirusena aja suhtes, t: n = dN/dt (vastavalt rahvusvahelisele suuruste süsteemile).
Good to know
  • Sarnaselt tavalisele perioodile on pöörlemissageduse vastastikune väärtus pöörlemisperiood, T = ν−1 = n−1 , aja mõõtmega (SI ühik sekund).
pöörete arv former
pöörlemiskiirus deprecated
Good to know
  • Sagedus ei ole kiirus.
rotational frequency preferred
Usage examples
  • Rotational frequency can also be formulated as the instantaneous rate of change of the number of rotations, N, with respect to time, t: n = dN/dt (as per International System of Quantities).
Good to know
  • Similar to ordinary period, the reciprocal of rotational frequency is the rotation period or period of rotation, T = ν−1 = n−1 , with dimension of time (SI unit seconds).
rate of rotation
speed frequency
revolutions per unit of time
number of revolutions per unit of time
rotation speed former
speed of rotation former
velocity of rotation former

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