Torsional Vibrational Stress For Marine Propeller Shaft
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The purpose of this work is to evaluate the life cycle and torsional vibrational stress of a marine propeller shaft. In the existing propeller shaft, we have evaluated the theoretical values of diameter at four positions of the shaft namely, After shaft, Mid part, Forward part and Intermediate part undergoing iterations. The most appealing iteration is chosen based on the power and values given based on tank testing model results. Due to these reasons, we considered the outer shaft diameter to be 600mm.The shafting analysis was carried out taking various inputs of propeller power, diameter, di...
The purpose of this work is to evaluate the life cycle and torsional vibrational stress of a marine propeller shaft. In the existing propeller shaft, we have evaluated the theoretical values of diameter at four positions of the shaft namely, After shaft, Mid part, Forward part and Intermediate part undergoing iterations. The most appealing iteration is chosen based on the power and values given based on tank testing model results. Due to these reasons, we considered the outer shaft diameter to be 600mm.The shafting analysis was carried out taking various inputs of propeller power, diameter, diameter, mas, inertia, damping, and excitation. The analysis from the software gave various results related to vertical bearing loads, vertical displacements, vertical bending moment and vertical bending stress. In order to maintain good alignment values, the shafting, whirling, axial and torsional vibrational analysis is conducted in cold static condition for a closed flange propeller shaft.In order find various parameters, analysis was done in ANSYS. The results were tabulated. The results obtained from ANSYS included maximum and minimum principal stresses, Von-Misses stress, total deformati
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