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RISPrediction of Leak Rates Through Porous Gaskets at High Temperature
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The ability of a gasket to maintain tightness under different operating conditions has been studied extensively in recent years. However, most of the research studies conducted on leakage predictions was performed at room ...
Effect of Reverse Yielding on the Residual Contact Pressure in Tube to Tubesheet Joints
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The analytical prediction of the contact stress in tubetotubesheet joints subjected to hydraulic expansion is conducted without any consideration to reverse yielding that can occur inside the tube. Most existing models ...
Characterization of PTFE Based Gaskets at High Temperature
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The objective of this work is to analyze the hot blowout test procedure (HOBT) used to determine the maximum operating temperature of Teflonbased gaskets. The study focuses on the effect of thermal cycles and a few ...
Stress Analysis of Packed Stuffing Boxes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Packed stuffingboxes are mechanical sealing systems that are extensively used in pressurized equipment such as valves and pumps. Yet there is no standard design procedure in use to verify their mechanical integrity and ...
Frequency Failure Causes Analysis of Pressure Vessel and Piping Equipment: Case Study of the Alberta Petrochemical Industry
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In recent decades, many accidents involving pressure vessels and piping components (PVP) have occurred in North America. Several studies have been conducted to understand their causes and find suitable solutions to reduce ...
Analytical Solution of Aluminum Alloy Plates With Holes Subjected to Cold Expansion With Reverse Yielding
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The expansion induced by cold working is a common process that generates residual stresses. It is used when fatigue damage accumulation and life reduction of aluminum alloy perforated plates is an issue in the aeronautics ...
Long-Term Performance of Semimetallic Gaskets
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Flexible graphite-based gaskets are used extensively in high-temperature applications as a replacement for asbestos-based gaskets. The effects of aging and temperature exposure on flexible graphite sheet gaskets were the ...
On the Use of Shape Memory Alloy Studs to Recover Load Loss in Bolted Joints
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Creep is an important factor that contributes to the clamp load loss and tightness failure of bolted joints with and without gaskets over time. Retightening of the joint can be expensive and time consuming; therefore, it ...
Effect of Reverse Yielding on the Residual Contact Pressure in Tube-to-Tubesheet Joints
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The analytical prediction of the contact stress in tube-to-tubesheet joints subjected to hydraulic expansion is conducted without any consideration to reverse yielding that can occur inside the tube. Most existing models ...
Evaluation of Leakage Through Graphite-Based Compression Packing Rings
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The prediction of leakage is one of the most challenging tasks when designing bolted flanged connections and industrial valves. Failure of these pressure vessel components can cause shutdowns but also accidents, loss of ...