1985
DOI: 10.1016/0043-1648(85)90096-1
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Wear of mechanical seals in light hydrocarbon service

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Cited by 7 publications
(2 citation statements)
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“…T h e authors' seal has a low bal:uncc ratio. At a high balance ratio, complete liftoff may not bc achieved (Netzel, 1985). Even then, however, rlic hyclrol~acls will cause a wetting of the seal surfaces and ;I rccluction of friction by parallel sliding mechanisms (I,cl~cck, 1987).…”
mentioning
confidence: 98%
“…T h e authors' seal has a low bal:uncc ratio. At a high balance ratio, complete liftoff may not bc achieved (Netzel, 1985). Even then, however, rlic hyclrol~acls will cause a wetting of the seal surfaces and ;I rccluction of friction by parallel sliding mechanisms (I,cl~cck, 1987).…”
mentioning
confidence: 98%
“…(3) 突发性失效。即使经过基于现有技术的检 查且并未经过长时间运行,机械密封仍可能毫无预 兆地发生失效 [23] [29][30][31][32][33][34][35][36] 、密封 环运动及膜厚 [37][38][39][40][41][42][43][44][45][46][47] 、膜压 [48] 和摩擦副声发射 [42,[49][50][51][52][53][54][55] [57] )来说, 对供压通 道进行调控可以起到非常明显的效果 [7] ,并且具备 多自由度调控的潜力 [58] 。另一例是隔离补偿环背部 空间从而可以单独调节其压力的结构形式 [38][39][40] 。这 种依赖于特定结构的调控方法在本文中仍被归为植 入式技术。 除调节管路压强外,也可以利用别的物理场来 进行调节。SALANT 等 [30] 通过对压电晶体施加电压 调节密封端面的锥角来改变压强分布。张国渊 等 [59][60][61] 设计了一种磁力加载装置。ZHOU 等 [62] 将磁 性液体作为密封介质从而实现调节。 还有一些工作致力于在没有信息系统介入的情 况下,使机械密封对一些物理要素的变化做出自适 应性的调控。例如利用双层材料或形状记忆材料 等来在密封环温度过高时做出反应 [63][64] 、在低转速 运行时增强静压效应 [65] 等。 [66] 、表面形貌 [67] 、摩擦学 [68][69][70][71] 、动 力学 ...…”
Section: 判断机械密封状态的迫切需要 根据对文献和企业的调研,实践中机械密封面 临如下问题。unclassified