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RISOn the Effect of External Bending Loads in Bolted Flange Joints
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Most current flange design methods use an equivalent pressure to treat bolted flange connections subjected to external bending loads. This oversimplified approach together with the lack of a ...
Deflections of A Multipass Shell-and-Tube Heat Exchanger Bolted Joint Subjected to Nonaxisymmetric Thermal Loading
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Despite the fact that multipass shell-and-tube heat exchangers operating at high temperature are subject to frequent problems related to flange sealing, there is neither detailed explanations for ...
Short Term Relaxation Modeling of Valve Stem Packings
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The long term tightness performance of stuffing-box packings, used in valves, is conditioned by the capacity of its sealing material to maintain a contact pressure to a predetermined minimal ...
Creep Constitutive Law of Packing Materials Based on Relaxation Tests
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The tightness of valves, compressors and pumps is ensured by superposed braided rings installed in a stuffing-box system. The nature of the packing material and structure, which is like a ...
An Experimental-Numerical Procedure for Stuffing Box Packing Characterization and Leak Tests
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The sealing of valve stems is ensured by the traditional systems of packed stuffing boxes. The performance of this type of sealing system, which is also used in rotating equipment, is dependent ...
Contact Stress Evaluation of Nonlinear Gaskets Using Dual Kriging Interpolation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The leakage behavior of bolted joint is very much dictated by the gasket contact stress. In particular, the non-uniform distribution of this stress in the radial direction caused by the flange ...
An Analytical Solution for Evaluating Gasket Stress Change in Bolted Flange Connections Subjected to High Temperature Loading
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The tightness of bolted flanged joints subjected to elevated temperature is not properly addressed by flange design codes. The development of an analytical method based on the flexibility of ...
Thermally Induced Deflections in Bolted Flanged Connections
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Pressure vessel joints operating at high temperature are often very difficult to seal. The existing flange design methods do not address thermal effects other than the variation of flange ...
Analytical Modeling of the Contact Stress With Nonlinear Gaskets
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Gasket contact stress and its variation through the gasket width is caused by the rotation of the flange and has an influence on the leakage tightness behavior of bolted flange joints. The ...
The Effect of Cylinder and Hub Creep on the Load Relaxation in Bolted Flanged Joints
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The leakage tightness behavior of bolted flange joints is compromised due to the high temperature effects and, in particular, when creep of the materials of the different components of the ...