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- Q1256654 subject Q7486558.
- Q1256654 abstract "Torsional vibration is angular vibration of an object—commonly a shaft along its axis of rotation. Torsional vibration is often a concern in power transmission systems using rotating shafts or couplings where it can cause failures if not controlled. A second effect of torsional vibrations applies to passenger cars. Torsional vibrations can lead to seat vibrations or noise at certain speeds. Both reduce the comfort.In ideal power generation, or transmission, systems using rotating parts, not only the torques applied or reacted are "smooth" leading to constant speeds, but also the rotating plane where the power is generated (or input) and the plane it is taken out (output) are the same. In reality this is not the case. The torques generated may not be smooth (e.g., internal combustion engines) or the component being driven may not react to the torque smoothly (e.g., reciprocating compressors), and the power generating plane is normally at some distance to the power takeoff plane. Also, the components transmitting the torque can generate non-smooth or alternating torques (e.g., elastic drive belts, worn gears, misaligned shafts). Because no material can be infinitely stiff, these alternating torques applied at some distance on a shaft cause twisting vibration about the axis of rotation.".
- Q1256654 wikiPageExternalLink torsional_vibration_issues.htm.
- Q1256654 wikiPageExternalLink Ford-test-lab.
- Q1256654 wikiPageExternalLink redirect.aspx?folder1=armd&folder2=armd&content=torsion.
- Q1256654 wikiPageWikiLink Q1174773.
- Q1256654 wikiPageWikiLink Q12757.
- Q1256654 wikiPageWikiLink Q1418093.
- Q1256654 wikiPageWikiLink Q172858.
- Q1256654 wikiPageWikiLink Q1891986.
- Q1256654 wikiPageWikiLink Q211251.
- Q1256654 wikiPageWikiLink Q2265508.
- Q1256654 wikiPageWikiLink Q3242194.
- Q1256654 wikiPageWikiLink Q3695508.
- Q1256654 wikiPageWikiLink Q379114.
- Q1256654 wikiPageWikiLink Q3820274.
- Q1256654 wikiPageWikiLink Q48103.
- Q1256654 wikiPageWikiLink Q49718.
- Q1256654 wikiPageWikiLink Q5212950.
- Q1256654 wikiPageWikiLink Q7486558.
- Q1256654 wikiPageWikiLink Q826575.
- Q1256654 wikiPageWikiLink Q862003.
- Q1256654 comment "Torsional vibration is angular vibration of an object—commonly a shaft along its axis of rotation. Torsional vibration is often a concern in power transmission systems using rotating shafts or couplings where it can cause failures if not controlled. A second effect of torsional vibrations applies to passenger cars. Torsional vibrations can lead to seat vibrations or noise at certain speeds.".
- Q1256654 label "Torsional vibration".