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Modeling Multiphase Effects in CO2 Compressors at Subcritical Inlet Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An advanced numerical framework to model CO2 compressors over a wide range of subcritical conditions is presented in this paper. Thermodynamic and transport properties are obtained through a table look-up procedure with ...
Modeling Multiphase Effects in CO2 Compressors at Subcritical Inlet Conditions
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: An advanced numerical framework to model CO2 compressors over a wide range of subcritical conditions is presented in this paper. Thermodynamic and transport properties are obtained through a table look-up procedure with ...
A High-Fidelity Modeling Tool to Support the Design of Oxy-Combustors for Direct-Fired Supercritical CO2 Cycles
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The challenge in the design of oxy-combustors for direct-fired supercritical CO2 (sCO2) cycles is in addressing disparate performance metrics and objectives. Key design parameters to consider include, among others, injector ...
Measurements of Density and Sound Speed in Mixtures Relevant to Supercritical CO2 Cycles
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The objective of this research is to validate properties of mixtures relevant to supercritical carbon dioxide (sCO2) power cycles. Direct-fired sCO2 cycles are a promising technology for the future power generation systems. ...
Blade Designs for Improved Multi-Phase Performance in sCO2 Compressors: Optical Diagnostics in sCO2 and Experimental Evaluation With Particle Image Velocimetry
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents the second part of a study in which the leading edge and suction surface of a compressor blade was modified to delay onset of phase change for sCO2 compressors operating near the critical point. Using ...
Numerical Predictions of Mean Performance and Dynamic Behavior of a 10 MWe SCO2 Compressor With Test Data Validation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Highfidelity aerodynamic analysis has been demonstrated for mean performance and unsteady dynamics in a sCO2 compressor designed by Hanwha Power Systems Americas for a 10 MWe Concentrating Solar Power plant. Simulations ...
Probing the Effects of NOx and SOx Impurities on Oxy-Fuel Combustion in Supercritical CO2: Shock Tube Experiments and Chemical Kinetic Modeling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The direct-fired supercritical carbon dioxide cycles are one of the most promising power generation methods in terms of their efficiency and environmental friendliness. Two important challenges in implementing these cycles ...