法兰接头

欧盟法规及其对法兰接头标准的影响

European Legislation and Its Influence on the Standards of Flange Joint

这些规则，一个突出的创新点是在新的垫片设计参数中融入了紧密性的概念，并同时提出了使用这些参数设计法兰接头和确定它们的试验方法。

Furthermore the design rules of Flange joint and test methods for determining these gasket parameters was presented at same time .

利用3-D有限元法模拟了法兰接头的稳态温度场分布，结果表明计算值与实测数据吻合较好。

The static temperature field distribution of flanged joints was simulated by 3-D FEA , the results show that the calculative values accord well with data of the measurement .

在稳态温度场中法兰接头的三维有限元分析

3-D Finite Element Analysis on Flanged Joints under Static Temperature Field

组合垫法兰接头高温密封性能研究

Investigation on Elevated Temperature Behavior of Flanged Joints with Combined Gaskets

考虑垫片非线性时法兰接头性能的三维有限元模拟

3-D Finite Element Simulation of Bolted Flange Joint Considering Gasket Nonlinearity

缠绕式垫片法兰接头装配要求的剖析

Analysis of Flange Installation Requirements for Spiral - wound Gasket

法兰接头上的密封垫圈应只能使用一次。

Gaskets on flanged joints shall be used only once .

叙述了螺栓从预紧状态到操作状态过程中法兰接头的变化。

The thesis states the change of flange tie-in from pre-tightness to operating .

高温工况下管法兰接头的密封失效及防止措施

Seal Failure of Piping Flange Connection Under High Temperature Cases and Its Prevention Measures

尽量减少使用法兰接头，避免泄漏。

Flange connections shall be reduced to the least possible number to avoid leakages .

管法兰接头的密封性能（上）

Sealing Characteristics of Piping Flanges ( 1 )

文中推导出一般情况下圆形螺栓法兰接头的弹性解，这一解可被应用于不同类型的接头上。

An exact elastic solution for the general case of a circular flange joint under tension loading is derived .

在下一部分中将讨论上述各种因素对法兰接头强度的影响。

The influences of the above factors on strength of the model will be reported in the next paper .

在核电、石化行业中，金属与金属接触型螺栓法兰接头是应用前景良好的接头型式。

Bolted flange joint ( BFJ ) with metal-to-metal contact type ( MMC ) functions well in nuclear power industries and petrochemical industries .

通过垫片工艺结构的调整，使其力学性能与紧固件的要求一致，使法兰接头符合操作时的密封性。

Through adjusting gasket structure , its mechanical performance is changed to consist with request of bolt , so that flange joints can meet the standard of sealing request .

提出了一种改进的应力松弛试验方法，并用改进的装置测量了法兰接头紧固螺栓的室温应力松弛值，拟合了松弛方程曲线。

A modified test method of stress relaxation is put forward . Values of stress relaxation of flange bolt are measured with the apparatus based on the method under room temperature and the relaxation equation curve is fitted .

此外，模拟了操作条件下，垫片因蠕变引起减薄的垫片应力分布，并利用垫片应力与紧密性参数之间的关系，评价了垫片应力对法兰接头密封性能的影响。

Furthermore , the gasket stress distribution was simulated when the gasket thickness was reduced due to creep . The effects of the gasket stress on the sealing behavior of the flanged joint were also evaluated by the relationship between gasket stress and tightness parameter .

本文建立了基于梁单元的排气系统一维数值模型，给出了排气组件的建模方法，特别对法兰接头的简化进行了实验验证，对具有复杂拓扑结构的消声器的一维简化提供了简单实用的建模方法。

Based on the beam element , one dimension numerical model of the exhaust system is established . The simplification of the flange joint is verified by the test and a simple and reasonable approach to one dimension modeling for the muffler with complex topology structure is provided .

本文以增强热塑料管的法兰电熔接头作为研究对象，采用通用化有限元分析软件ANSYS作为分析工具，对法兰电熔接头作了静态接触分析，蠕变和应力松弛分析和优化设计。

Finite element analysis and structural optimization of the flange welding joints of reinforced thermoplastic pipes are researched in this thesis using finite element analysis software ANSYS .

法兰，管接头，以及阀门不包括在其它特别引用的ASTM规定范围内。

Flanges , unions , and valves not included in the scope of other ASTM specifications are specifically referenced .

介绍一种弯管和法兰角接接头填角焊的自动焊接装置。

An automatic CO2 welding device for elbow pipe and flange fillet weld joint is introduced in the paper .

传统的法兰设计准则依据强度失效判据，不能定量估计法兰接头的紧密性。

The traditional design criteria for bolted flanged connections was based on the strength failure , which cannot evaluate in quantity the tightness of flange joints .