Experimental Investigation of Shafts on Whirling （实验调查的轴旋转）.pdfVIP

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Experimental Investigation of Shafts on Whirling （实验调查的轴旋转）.pdf

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Experimental Investigation of Shafts on Whirling （实验调查的轴旋转）

International Journal of Science, Engineering and Technology Research (IJSETR), Volume 3, Issue 8, August 2014 Experimental Investigation of Shafts on Whirling of Shaft Apparatus Mr. Balasaheb Keshav Takle  not exceed 75% of the critical speed. The critical speed equation is Abstract— Present paper deals with study and analysis of demonstrated in equation (1) below; theoretical and practical frequencies of different shaft diameters. The design of various components of experiment is NC = (1) discussed in detail. Design validation of experimental values is Discontinuities are unavoidable, due to assembly, manufacturing done by comparison with theoretical outputs. Whirling is and application considerations, which all ensure that the centre of usually associated with fast-rotating shafts. Frequencies at gravity of the shaft cannot coincide with the axis of rotation. The different speeds for various shaft diameters are evaluated and centrifugal forces in such rotating shafts were first cited by compared. A relation between natural frequencies and shaft Dunkerley. Elastic properties of the shaft material were the roo