标题: 求助:dry bending critical speed啥意思? [打印本页] 作者: zhangbz1 时间: 2010-3-5 10:14 标题: 求助:dry bending critical speed啥意思? 求助:在API 610 5.6.15中:The rotor of one and tow stage pumps shal be designed so its first dry-bending critical speed is at least 20% above the pumps's maximum continous operating . $ U; V/ |6 u7 i) o% c$ [
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其中 first dry-bending critical speed 是指啥意思。, h- r1 h; N6 B' ]1 P! k$ I# s0 h5 c