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RISInfluence of Boundary Conditions, Vessel Geometry, and Simulant Materials on the Heat Transfer of Volumetrically Heated Melt in a Light Water Reactor Lower Head
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study investigates heat transfer characters of a volumetrically heated melt pool in LWR lower plenum. Experimental restrictions on prediction reliability are discussed. These restrictions include cooling boundary ...
Research Challenges of Heat Transfer to Supercritical Fluids
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Supercritical fluids (SCFs) become more and more important in various engineering applications. In nuclear power systems, SCFs are considered as coolant of the reactor core such as the supercritical water-cooled reactor ...
Vibration Analysis in the Presence of Uncertainties Using Universal Grey System Theory
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The uncertainty present in many vibrating systems has been modeled in the past using several approaches such as probabilistic, fuzzy, interval, evidence, and grey system-based approaches depending on the nature of uncertainty ...
Resilience Analysis Framework for Interconnected Critical Infrastructures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: To investigate the resilience of interconnected critical infrastructures (CIs), a framework combining dynamic modeling and resilience analysis is proposed. Resilience is defined in this work as the capacity of a system to ...
Application Conditions of Effective Medium Theory in Near Field Radiative Heat Transfer Between Multilayered Metamaterials
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This work addresses the validity of the local effective medium theory (EMT) in predicting the nearfield radiative heat transfer between multilayered metamaterials, separated by a vacuum gap. Doped silicon and germanium are ...
Wideband Tunable Omnidirectional Infrared Absorbers Based on Doped Silicon Nanowire Arrays
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The present study considers the directional and spectral radiative properties of vertically aligned, heavily doped silicon nanowires for applications as broadband infrared diffuse absorbers. The nanowire array is modeled ...
Frictional Detachment Between Slender Whisker and Round Obstacle
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In nature, hair-like whiskers are used to detect surrounding information, such as surface texture and air flow field. The detection requires a comprehensive understanding of the relationship between whisker deformation and ...
A Computational Simulation of Using Tungsten Gratings in Near-Field Thermophotovoltaic Devices
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Near-field thermophotovoltaic (NFTPV) devices have received much attention lately as an alternative energy harvesting system, whereby a heated emitter exchanges super-Planckian thermal radiation with a photovoltaic (PV) ...
A Computational Simulation of Using Tungsten Gratings in Near-Field Thermophotovoltaic Devices
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Near-field thermophotovoltaic (NFTPV) devices have received much attention lately as an alternative energy harvesting system, whereby a heated emitter exchanges super-Planckian thermal radiation with a photovoltaic (PV) ...
Improved J Estimation by GE/EPRI Method for the Thin-Walled Pipes With Small Constant-Depth Circumferential Surface Cracks
Publisher: The American Society of Mechanical Engineers (ASME)