Journal of Pressure Vessel Technology: Recent submissions
Now showing items 41-60 of 4506
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A Quantitative Infrared Assessment Method for Gas Leakage Rate in Pressure Vessels Based on Outer Wall Temperature Difference
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. This study thoroughly examines the influence of gas leakage on pressure vessel outer wall temperatures using theoretical analysis, experimental validation, and numerical simulations. It establishes a quantitative ... -
Experimental and Numerical Study on the Decompression Behavior of High-Pressure Hydrogen Gas in a Two-Step Valve
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Pressure-reducing valve is the most vital component of the hydrogen supply system for the on-board fuel cell stack. A clear understanding of the decompression behavior can help to optimize the valve structure. ... -
Influence of the Drive Mechanism on Torque Performance of Ultra-High Pressure Gate Valves
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Gate valves serve as critical switching devices for controlling natural gas flow, but under ultrahigh pressure and extreme temperature conditions, their operational torque becomes excessively high, preventing ... -
Sealing Performance of 70 MPa Type IV Hydrogen Storage Cylinders Based on Multifield Coupling
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The reliability of sealing structures is critical to ensuring the safe operation of high-pressure hydrogen storage cylinders. To investigate the sealing performance of a 70 MPa hydrogen storage cylinder, tensile ... -
Crack Combination Criteria for Internal Semi-Elliptical Surface Cracks in Pressurized Pipes
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Failure of pipes containing multiple cracks is a critical concern, commonly assessed using the mode I stress intensity factor (KI). API 579-1/ASME FFS-1 provides a criterion that allows two closely spaced, ... -
Effect of Specimen Rotation on Crack Size Estimation in J–R Curve Testing Using Compact Tension Specimen
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. To verify the structural integrity of power generation facilities, many fracture toughness tests are being performed on high-toughness materials, and efforts are being made to obtain reliable J–R curve. In the ... -
Modified Prediction Model of Tensile Properties for Thermally Aged Cast Austenitic Stainless Steel of Static Cast
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. It is known that the tensile properties of cast austenitic stainless steel (CASS) increase, and the fracture toughness decreases due to thermal aging. The JSME on Fitness for Service (FFS) provides evaluation ... -
Strain Growth and Water Suppression in Spherical Explosion Containment Vessels Under Eccentric Blast Loading
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Strain growth is a phenomenon observed in the dynamic elastic response of explosion containment vessels subjected to internal blast loading, which has not been fully clarified. In this study, the dynamic strain ... -
A New Golden Ratio Weighted Yield Criterion and Its Application in Exact Prediction of Burst Pressure for Thin-Walled Pipelines
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Thin-walled metal pipelines are an important infrastructure for long-distance transportation of oil and natural gas, and accurate prediction of the burst pressure of thin-walled pipes is crucial to ensure their ... -
Comparative Analysis of ASME B16.5 and EN 1092-1 Welding Neck Flanges
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The most widely used flange standards in the global pressure vessel and piping industry are ASME B16.5 and EN 1092-1. However, the lack of comprehensive information comparing these standards and their geometry ... -
A Simple Stress Classification Method Using Two Elastic Finite Element Stress Analyses
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Stress classification into primary, secondary, and peak stresses is essential in the design of nuclear components. Although general guidelines under typical loading scenarios are available in ASME, they are often ... -
Limit Load Analysis of Pressure Pipes With Partial-Through Circumferential Cracks
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Limit load predicted by net section collapse criteria (NSC) is usually used to evaluate the residue strength of structures with defects. In this work, the critical bending moment for pressure pipes with circumferential ... -
Guided Wave Localization and Quantification of Actual Corrosion Damage in Metallic Pipelines Considering Environmental Factors
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Corrosion damage is a primary cause of pipeline failure, and guided waves are conventionally employed for nondestructive testing purposes. However, the intricacy of authentic corrosion damage and environmental ... -
Analysis of the Magnetic Characteristics and Intelligent Identification Model of Defects in Small-Diameter Pipeline Elbow
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Elbow plays a critical role in pipeline systems, and defects can lead to potential gas and oil leakage accidents. Magnetic flux leakage (MFL) detection is an efficient method for identifying pipeline defects. The ... -
Effect of Surface Finish on Fatigue Properties of Notched Carbon Steel Specimens
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. A new approach to fatigue analysis was developed in Japan. Parts of the approach were reviewed and incorporated into the Japan Society of Mechanical Engineers (JSME) Environmental Fatigue Evaluation Method, 2022 ... -
Estimation of Long-Term Creep Rupture Strength of ASME Grade 91 Steel Based on Z Phase Precipitation
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The reasonable procedures for estimating long-term creep rupture strength are investigated for ASME grade 91 steel using creep rupture data in the National Institute for Materials Science (NIMS) creep data sheet. ... -
Analysis of the Difference Between the Reference Temperature Values Derived From Conventional and Mini-C(T) Specimens: Effect of the Number of Valid Fracture Tests
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The long-term-operation of nuclear power plants (NPPs) requires a precise knowledge of the fracture toughness of the reactor pressure vessel (RPV) materials. This property decreases with the irradiation level, ... -
Experimental Analysis of Multipass GTAW Techniques for Tube-to-Tubesheet Welding in Heat Exchangers
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The efficiency, quality, and reliability of shell and tube heat exchangers are significantly influenced by the design and execution of tube-to-tubesheet (TTS) welding. The key factor includes the selection of ... -
Failure Analysis of a Long Term Serviced Cr-Mo Steel Coke Drum
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Coke drums are critical pressure vessels used in the delayed coking process in petroleum refineries. Over the past two decades, Cr-Mo steel coke drums have increasingly replaced carbon steel drums in China. ... -
Effect of Flow Approach Angle on Flow Periodicity and Acoustic Resonance in Triangular Tube Bundles
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. This study experimentally investigates the excitation of acoustic resonance in a small pitch ratio triangular tube array (P/D = 1.5), with a focus on the influence of the flow approach angle on the intensity of ...