Internal torsion resistance in deflected shafts

• Published in: Alexandria engineering journal Vol. 56; no. 2; pp. 213 - 223
• Main Authors: El-Sayed, Mahmoud T., Nasr, Mohamed N.A., El-Souhily, B.M., Moustafa, Mahmoud A.
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.06.2017; Elsevier
• Subjects: Bent shafts; Deflection; Effect of increasing shaft diameter on shaft’s resistance; Effect of speed on shaft’s resistance; Internal resistance; Torsional resistance; Effect of increasing shaft diameter on shaft’s resistance; Torsional resistance; Bent shafts; Deflection; Effect of speed on shaft’s resistance; Internal resistance
• ISSN: 1110-0168
• DOI: 10.1016/j.aej.2017.02.001

Most of the shaft theories have based their analysis on bending moment, twisting moment or combined between them. Nevertheless, the dynamic behavior of flexural-torsional coupled vibrations in the rotating shafts is affected by the internal resistance forces due to torsion. It is expected that the deflected shafts shall be exposed to this resistance, where these forces were not considered in the analysis before. The objective of the present work was to estimate the effect of internal torsional resistance in shafts which is caused by deflection, for the reason that it has the upper hand on misalignment problem. With the aim of fulfilling this objective, an experimental rig has been constructed to verify the existence of the torsional resistance in deflected shafts and its variation with the rotation angle.