用HTRI计算换热器有下面警告内容？ The physical properties of the cold fluid have been extrapolated beyond the valid temperature range. 冷流体物性是外推的----扩大进出口温度范围 Check calculated values.不清楚 WARNING-Bundle entrance velocity exceeds critical velocity, indicating a probability of fluidelastic 管束进口流速超过临界速度，标志可能产生弹性震动----加大进口管径等 instability and flow-induced vibration damage. If present, fluidelastic instability can lead to large amplitude vibration and tube damage. 不稳定流速产生震动损害，缩小折流板间距或改变折流板形式等 WARNING-Shell entrance velocity exceeds critical velocity, indicating a probability of fluidelastic instability and flow-induced vibration damage. If present, fluidelastic instability can lead to large amplitude vibration and tube damage. 壳程进口流速超过临界速度，标志可能产生弹性震动----加大进口管径等 WARNING-Shell exit velocity exceeds critical velocity, indicating a probability of fluidelastic instability 壳程出口流速超过临界速度，标志可能产生弹性震动----加大进口管径等 and flow-induced vibration damage. If present, fluidelastic instability can lead to large amplitude vibration and tube damage. 不稳定流速产生震动损害，缩小折流板间距或改变折流板形式等 The F-stream flow fraction is very high. Check the design F流过大，加旁路挡板。 仅供参考，自己摸索。 查看更多
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