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首页> 外文会议>ASME(American Society of Mechanical Engineers) Pressure Vessels and Piping Conference vol.2: Computer Technology; 20050717-21; Denver,CO(US) >BOLTED FLANGE JOINTS WITH FULL FACE GASKETS: AN ANALYTICAL APPROACH BASED ON FLEXIBILITY
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BOLTED FLANGE JOINTS WITH FULL FACE GASKETS: AN ANALYTICAL APPROACH BASED ON FLEXIBILITY

机译：带有全脸垫圈的螺栓法兰接头：基于柔性的分析方法

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摘要

The low leakage performance of flanges with full face gaskets is attributed to the reliability of the design method used in Appendix 2 and Appendix Y of the ASME code in assessing accurately the bolt and gasket load changes. The prediction of tightness of these bolted joints relies very much on the level of precision of the gasket contact stress during operation. The evaluation of this stress requires a flexibility analysis of the joint including the flange the gasket and bolt and the interaction between them. This paper analyses the distribution of gasket stress and the toad change in bolted joints with full face gaskets. It proposes a simple analytical approach capable of predicting flange rotation and bolt load change during operation. The method is based on the gasket-bolt-flange elastic interaction, including flange rotational flexibility. The proposed model is supported by comparison with numerical FEA of different size flanges.
机译：带全密封垫圈的法兰的低泄漏性能归因于ASME规范附录2和附录Y中使用的设计方法的可靠性，该设计方法可准确评估螺栓和垫圈的载荷变化。这些螺栓连接的紧密度的预测在很大程度上取决于垫片在操作过程中接触应力的精确度。要评估此应力，需要对接头进行挠性分析，包括法兰，垫圈和螺栓以及它们之间的相互作用。本文分析了全密封垫片螺栓连接中的垫片应力分布和蟾蜍变化。它提出了一种简单的分析方法，能够预测操作期间的法兰旋转和螺栓载荷变化。该方法基于垫片-螺栓-法兰的弹性相互作用，包括法兰的旋转柔韧性。通过与不同尺寸法兰的数值有限元分析进行比较，支持了所提出的模型。

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