critical speed

[′krid·ə·kəl ′spēd] (cryogenics) critical velocity (fluid mechanics) critical velocity (mechanical engineering) The angular speed at which a rotating shaft becomes dynamically unstable with large lateral amplitudes, due to resonance with the natural frequencies of lateral vibration of the shaft.

critical speed

The angular speed of rotating machinery at which excessive vibration is produced; at this speed the periodic disturbing force coincides with a mechanical resonance of the shaft and/or of the machinery or its supports.

critical speed

i. The speed on the takeoff run at which, should one engine fail, the pilot can decide whether to abandon or continue takeoff. Below this speed, the pilot must abort takeoff. Critical speed is denoted V₁.
ii. A rotational speed at which the engine suffers dangerous resonance.

单词	critical speed
释义	critical speed critical speed A speed or range of speeds which a ship cannot sustain due to vibration or other similar phenomena. critical speed critical speed [′krid·ə·kəl ′spēd] (cryogenics) critical velocity (fluid mechanics) critical velocity (mechanical engineering) The angular speed at which a rotating shaft becomes dynamically unstable with large lateral amplitudes, due to resonance with the natural frequencies of lateral vibration of the shaft. critical speed The angular speed of rotating machinery at which excessive vibration is produced; at this speed the periodic disturbing force coincides with a mechanical resonance of the shaft and/or of the machinery or its supports. critical speed i. The speed on the takeoff run at which, should one engine fail, the pilot can decide whether to abandon or continue takeoff. Below this speed, the pilot must abort takeoff. Critical speed is denoted V₁. ii. A rotational speed at which the engine suffers dangerous resonance. Critical Speed The maximum speed that a swimmer, cyclist, runner or other endurance athlete can maintain without experiencing fatigue due to muscle acidosis; at or below the critical speed, a trained athlete can continue until muscle glycogen depletion—'bonking'—or lactic acidosis causes exhaustion
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critical speed

critical speed

critical speed

critical speed

critical speed

critical speed

Critical Speed