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RISDevelopment of a Phase-Field Method for Phase Change Simulations Using a Conservative Allen–Cahn Equation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Two-phase flows including a phase change such as liquid–vapor flows play an important role in many industrial applications. A deeper understanding of the phase change phenomena is required to improve the performance and ...
An Estimation Method for Bias Error of Measurements by Utilizing Process Data, An Incidence Matrix and a Reference Instrument for Data Validation and Reconciliation: Part 2—Extension to the Energy Balance Relation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Ensuring data reliability is becoming increasingly important for further applications of artificial intelligence, internet of things, and digital twins. One promising technology for ensuring data reliability is data ...
A Feasibility Study of Noncontact Ultrasonic Sensor for Nuclear Power Plant Inspection
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A pipe-wall thinning measurement is a key inspection to ensure the integrity of the piping system in nuclear power plants. To monitor the integrity of the piping system, a number of ultrasonic thickness measurements are ...
A Numerical Analysis Method of Impurity Precipitation on Mesh Wire of Cold Trap in Fast Breeder Reactor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A fast breeder reactor (FBR) is considered as the promising technology in terms of load reduction on the environment, because the FBR has capability to improve usage efficiency of uranium resources and can reduce high-level ...
Development of Boiling Water Reactor Steam Dryer Loading Evaluation Methods Through Scale Model Tests Under Actual Steam Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Previous plant measurements and scale model tests have demonstrated that intense fluctuating pressure acted on the steam dryer in boiling water reactors (BWRs) at higher velocity flows than in normal operation. The cause ...