Vibration Compacted UO<SUB>2</SUB> Fuel, (IV):Mechanical Response of Vibrating Fuel Rod
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概要
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This report covers a study of the effects brought upon the mechanical response of vibration compacting cladding tubes by differences in the powder loading.<BR>The fundamental frequency of the tube decreases with increasing mass of powder loading. This relation can be explained by assuming that the mass of powder is rigidly fixed to the tube wall. The peak magnification factor at resonance also decreases with increasing powder mass. The maximum intensity of stress is found at the bottom of the cladding and the stress distribution is sinusoidal.<BR>Random wave vibration produces in the cladding tube a peak stress only about half the intensity of that by sinusoidal wave of the same root mean square level, and may thus be a promising approach to effective compaction with smaller stresses imparted to the cladding material.
- 一般社団法人 日本原子力学会の論文