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RISTree-Based Ensemble Learning Models for Wall Temperature Predictions in Post-Critical Heat Flux Flow Regimes at Subcooled and Low-Quality Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Accurately predicting post-critical heat flux (CHF) heat transfer is an important but challenging task in water-cooled reactor design and safety analysis. Although numerous heat transfer correlations have been developed ...
Modification Effects of Nano-SiO2 on Early Compressive Strength and Hydration Characteristics of High-Volume Fly Ash Concrete
Publisher: American Society of Civil Engineers
Abstract: Utilization of nanomaterials in high-volume fly ash (HVFA) concrete as a means of improving concrete’s properties is feasible. This paper presents experimental data to evaluate the modification effects of nano-SiO2 (NS) ...
Study on Effects of Heat Loss and Channel Deformation on Thermal-Hydraulic Performance of Semicircular Straight Channel Printed Circuit Heat Exchangers
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Effective and robust high-temperature heat transport systems are essential for the successful deployment of advanced high temperature reactors. The printed circuit heat exchanger (PCHE) is a strong potential candidate for ...
Void Fraction Measurement and Prediction of Two-Phase Boiling Flows in a Tubular Test Section
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Void fraction is one of the most important parameters that affect two-phase flow heat transfer and pressure drop. In this paper, a commercial gamma densitometer and a high-speed X-ray radiography system developed at the ...