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Thermodynamic Assessment of Exhaust Gas Recirculation in HighVolume Hydrogen Gas Turbines in Combined Cycle Mode
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: To reach netzero while ensuring grid reliability and resiliency, gas turbine (GT) technology has a place for years to come. However, shifting to lowcarbon fuels, such as hydrogen, is the key to maintain positive returns ...
Thermodynamic Optimization of Load-Following Operation in a Decarbonized Combined Cycle Power Plant Under Net-Zero Scenarios
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Postcombustion capture (PCC) by means of mono-ethanolamine and hydrogen co-firing, combined with exhaust gas recirculation (EGR), were applied to a typical 2 × 1 combined cycle (CC) with the goal of reaching net-zero CO2 ...
Application of Unsteady Computational Fluid Dynamics Methods to Trailing Edge Cutback Film Cooling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The main purpose of this numerical investigation is to overcome the limitations of the steady modeling in predicting the cooling efficiency over the cutback surface in a high pressure turbine nozzle guide vane. Since ...
Stress-Blended Eddy Simulation of Coherent Unsteadiness in Pressure Side Film Cooling Applied to a First Stage Turbine Vane
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Within the framework of scale resolving simulation techniques, this paper considers the application of the stress-blended eddy simulation (SBES) model to pressure side (PS) film cooling in a high-pressure turbine nozzle ...
Evaluation of CFD Predictions Using Thermal Field Measurements on a Simulated Film Cooled Turbine Blade Leading Edge
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Computational fluid dynamics (CFD) predictions of film cooling performance for gas turbine airfoils are an important part of the design process for turbine cooling. Typically, industry relies on the approach based on ...
Assessment of Transition Modeling and Compressibility Effects in a Linear Cascade of Turbine Nozzle Guide Vanes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The flow field in a linear cascade of highly loaded turbine nozzle guide vanes (NGVs) has been numerically investigated at low and high-subsonic regime, i.e., exit isentropic Mach number of M2is = 0.2 and 0.6, respectively. ...
Simulation of Solarized Combined Cycles: Comparison Between Hybrid Gas Turbine and ISCC Plants
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The present paper investigates two different solarized combined cycle layout configurations. In the first scheme, a solarized gas turbine is coupled to a solar tower. Pressurized air at the compressor exit is sent to the ...
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