Sentence examples for critical shaft from inspiring English sources

For technical and financial reasons, the number of sensors has to be reduced to an acceptable minimum, and generally it is not possible to measure the torsional oscillations at all critical shaft locations.

The current approach is found to be efficient for crack detection since the critical and subcritical shaft speeds, the unique vibration signature in the neighborhood of the subcritical speeds and the sensitivity to the unbalance force direction all together can be utilized to detect the breathing crack before further damage occurs.

However, they have a critical disadvantage in that shaft operations must be stopped intermittently to replace telemetry unit batteries.

Beyond the first critical speed of the shaft, the masses assume positions that reduce vibrations due to imbalance.

Maximum 53% reduction is observed under 2700 rpm which is above the fourth critical speed of the shaft system.

To verify the present model, the critical speeds of composite shaft systems are compared with those available in the literature.

Equations for mechanical design are given, including determination of shaft diameter and critical speed.

The global minimum represents the state in which the motion of the shaft above the critical speed is stable.

This paper describes a method of active vibration control for passing through critical speeds of a rotating shaft by use of support springs made of memory metals.

The results of the lab tests showed that void flaws that penetrate the concrete core of a shaft are more critical than those that are located within the concrete cover.

The use of steps and shoulders, and miscellaneous devices to locate components, methods to calculate the deflection of a shaft and its critical speeds, and a method to determine the minimum safe diameter for a shaft experiencing torque and bending for a given life have also been elaborated in the chapter.