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RISStrain Growth in a Finite-Length Cylindrical Shell Under Internal Pressure Pulse
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Strain growth is a phenomenon observed in the elastic response of containment vessels subjected to internal blast loading. The local dynamic response of a containment vessel may become larger in a later stage than its ...
Burst Pressure of Glass Fiber Tape Reinforced Polyethylene Pipes With Interlayer Delamination Defect
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Glass fiber tape reinforced polyethylene (GFTRP) pipes are widely used for the transportation of oil and high-pressure gas due to their good load-bearing capacity and environmental compatibility. Delamination defect is one ...
Convolutional Neural Network Based Defect Recognition Model for Phased Array Ultrasonic Testing Images of Electrofusion Joints
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This technical brief proposes a defect recognition model to recognize four typical defects of phased array ultrasonic testing (PA-UT) images for electrofusion (EF) joints. PA-UT has been proved to be the most feasible way ...
Finite Element Analysis of Buried Polyethylene Pipe Subjected to Seismic Landslide
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Polyethylene (PE) pipes are widely used in natural gas transportation systems in urban areas nowadays. As landslide caused by earthquake would cause destructive damage to buried pipes, increasing attention is attracted to ...
Study on the Allowable Temperature for Preventing Over Welding During Thermal Welding of Polyethylene Pipe
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Polyethylene (PE) pipe material may degrade into lower carbon number volatiles quickly during thermal welding when the welding temperature rises up to very high temperature. However, PE may also degrade into lower molecular ...
Safety Assessment of Cold Welding Defect in Electro Fusion Joint of Polyethylene Pipe
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Cold welding defect is the most common defect in electrofusion (EF) joint for connecting polyethylene (PE) pipe. In our previous study [1], the cold welding defect is successfully inspected by an eigenline method based on ...
An Improved Phased Array Ultrasonic Testing Technique for Thick-Wall Polyethylene Pipe Used in Nuclear Power Plant
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: With the application of high-density polyethylene (HDPE) pipe with thick wall in nuclear power plant (NPP), great attention has been paid to the safety of the pipeline joints, which can be assessed by phased array ultrasonic ...
Comparison of Ellipsoidal and Equivalent Torispherical Heads Under Internal Pressure: Buckling, Plastic Collapse and Design Rules
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Ellipsoidal and torispherical heads, whose geometric shapes are close, are usually used as end closures of internally pressurized vessels. In pressure vessel codes, for example, ASME BPVC Section VIII and EN13445-3, ...
Ultrasonic Inspection of Electrofusion Joints of Large Polyethylene Pipes in Nuclear Power Plants
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Highdensity polyethylene (HDPE) pipe has many advantages such as good flexibility, corrosion resistance, and long service life. It has been introduced into nuclear power plants for transportation of cooling water in U.S. ...
Experimental and Numerical Studies on High Pressure Composite Cylinders Subjected to Localized and Engulfing Fire
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Vehicle fires may lead to onboard highpressure composite cylinders experiencing a term of localized and engulfing fire. During this period, the composite cylinder would be degraded and even burst before pressure relief ...