What does GD2 mean?

2016-07-28View Original

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The technical parameter GD2 is often encountered in rotating equipment. What is the meaning of this value? Are there any limits on it specified in the standards?

Reply #22016-07-28

Moment of inertia, which is used in the analysis of torsional vibration in shaft systems; if the inertia is insufficient, a flywheel needs to be added

Reply #32016-07-28

There doesn’t seem to be any standard for moment of inertia. The flywheels of reciprocating compressors in our company range up to four tons in weight; larger flywheels would be too heavy and could easily bend the crankshaft

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What does GD2 mean?

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