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RISExperimental and Numerical Study of Supercritical Carbon Dioxide Flow Through Valves
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The supercritical carbon dioxide (sCO2) Brayton cycle shows advantages such as high efficiency, compactness, and low capital cost. These benefits make it a competitive candidate for futuregeneration powerconversion cycles. ...
Cloud Impacts on Pavement Temperature and Shortwave Radiation
Publisher: American Meteorological Society
Abstract: orecast systems provide decision support for end users ranging from the solar energy industry to municipalities concerned with road safety. Pavement temperature is an important variable when considering vehicle response ...
Coupled Heat Transfer and Hydraulic Modeling of an Experimental Printed Circuit Heat Exchanger Using Finite Element Methods
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The Homogenized Heat Exchanger Thermohydraulic (HHXT) modeling environment has been developed to provide thermodynamic modeling of printed circuit heat exchangers (PCHEs). This finite element approach solves solid conduction ...
Numerical Modeling and Experimental Validation of a Supercritical CO2-Lubricated Hydrodynamic Journal Bearing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The supercritical carbon dioxide (sCO2) Brayton cycle is an attractive thermal cycle for compact power generation applications due to its high efficiency and power density. Hydrodynamic gas journal bearings are attractive ...
ASME Boiler and Pressure Vessel Code Roadmap for Compact Heat Exchangers in High Temperature Reactors
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The mission of the U.S. Department of Energy (DOE), Office of Nuclear Energy is to advance nuclear power in order to meet the nation's energy, environmental, and energy security needs. Advanced high temperature reactor ...
Characterization of Thermal Striping in Liquid Sodium With Optical Fiber Sensors
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study characterized the magnitude, spatial profile, and frequency spectrum of thermal striping at a junction using a novel sodium-deployable optical fiber temperature sensor. Additionally, this study revealed for the ...
Environmental Analysis of GOES-R Proving Ground Convection-Initiation Forecasting Algorithms
Publisher: American Meteorological Society
Abstract: nhanced temporal and spatial resolution of the Geostationary Operational Environmental Satellite?R Series (GOES-R) will allow for the use of cloud-top-cooling-based convection-initiation (CI) forecasting algorithms. Two ...
Simulation of Supercritical CO2 Flow Through Circular and Annular Orifice
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Supercritical CO2 (sCO2) is a promising working fluid for future highefficiency power conversion cycles. In order to develop these cycles, it is necessary to understand supercritical and twophase CO2 flow. This paper ...
Investigation of Buoyancy Effects on Heat Transfer Characteristics of Supercritical Carbon Dioxide in Heating Mode
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Experiments were performed to investigate the effects of buoyancy on heat transfer characteristics of supercritical carbon dioxide in heating mode. Turbulent flows with Reynolds numbers up to 60,000, at operating pressures ...
Batch Scale Hydrofluorination of Li27BeF4 to Support Molten Salt Reactor Development
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Li2BeF4, or flibe, is the primary candidate coolant for the fluoridesaltcooled hightemperature nuclear reactor (FHR). Kilogram quantities of pure flibe are required for repeatable corrosion tests of modern reactor materials. ...