Supplementary Material, Appendix G – G.12

APPENDIX G – Pumps and Turbines

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Surge Analysis and the Wave Plan Method

Supplementary Material: Example Problems and Solutions

Appendix G – Problem 12

G.12 Compute mass moment of inertia of an irregular shaped object (with respect to certain axis s) with a total mass of 215.01 kg and a radius of gyration of 0.375m about the same s-axis.

Solution:

Mass moment of inertia I_sm = m R_s², where m is mass of the object and R_sm is its radius of gyration about s-axis.

I_xm = 215.01 * 0.375² = 30.235 kg-m² = 296.6 N-m²

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