螺栓联接法兰瞬态温度场分析
Pressure Vessel Technology(2007)
Abstract
建立了螺栓法兰联接的三维力学及传热学模型,在考虑垫片非线性基础上,研究了法兰的瞬态温度场分布以及温度场的变化,对垫片和螺栓载荷的影响。研究表明,由于瞬态温度场的影响,螺栓载荷变化滞后于垫片载荷的变化,并且随着内壁温度的升高而增加;垫片外侧载荷变化呈先升后降的规律。
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Key words
bolted flange,finite element analyses,gasket nonlinearity,transient temperature
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