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Experimental and Numerical Study of an Open Impeller Centrifugal Compressor Stage Utilizing Three-Dimensional (3D) Diffuser End Wall Contouring for Operating Range Extension
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Highly efficient and concurrent flexible operation are heavy demands on today's centrifugal compressor units. Diffuser end wall contouring is a measure to delay the incipience of instability and therefore to extend the ...
Techno-Economic Analysis of a Hydrogen Production and Storage System for the On-Site Fuel Supply of Hydrogen-Fired Gas Turbines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Hydrogen-fired gas turbines have the potential to play an important role in future CO2-neutral energy and industry sectors. A prerequisite for the operation of hydrogen-fired gas turbines is the availability of sufficient ...
Reduction of the Emission Footprint of Gas Turbines in Future Energy System Scenarios Through Optimized Hydrogen Admixture Strategies
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Within the energy sector, the mitigation of climate change necessitates a paradigm change toward the replacement of conventional with sustainable power generation technologies. Due to the inherent volatility of renewable ...
Model-Based Analysis of a Combined Heat and Power System Featuring a Hydrogen-Fired Gas Turbine With On-Site Hydrogen Production and Storage
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Hydrogen-fired gas turbines can play an important role in carbon-neutral energy and industry sectors. However, the required demand-oriented supply of CO2-neutral hydrogen is technically and economically challenging. These ...
Model-Based Analysis of a Liquid Organic Hydrogen Carrier (LOHC) System for the Operation of a Hydrogen-Fired Gas Turbine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: One of the main challenges currently hindering the transition to energy systems based on renewable power generation is grid stability. To compensate for the volatility of wind- and solar-based power generation, storage ...
Thermomechanical Analysis of Transient Temperatures in a Radial Turbine Wheel
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In turbomachinery design, the accurate prediction of the life cycle is one of the most challenging issues. Traditionally, life cycle calculations for radial turbine wheels of turbochargers focus on mechanical loads such ...
Long-Term NOx Emission Behavior of Heavy Duty Gas Turbines: An Approach for Model-Based Monitoring and Diagnostics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Accurate monitoring of gas turbine performance is a means to an early detection of performance deviation from the design point and thus to an optimized operational control. In this process, the diagnosis of the combustion ...
Model-Based Thermodynamic Analysis of a Hydrogen-Fired Gas Turbine With External Exhaust Gas Recirculation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Climate science shows that the limitation of global warming requires a rapid transition toward net-zero emissions of green house gases on a global scale. Expanding renewable power generation in a significant way is seen ...
Numerical and Experimental Investigation of a Low Order Radial Turbine Model for Engine-Level Optimization of Turbocharger Design
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents the development and validation of a meanline model by means of numerical and experimental methods, to determine it's feasibility as an optimization tool for turbocharger matching. Using a parametric ...
Thermo-Structural Analysis of Steam Turbine Startup With and Without Integrated Prewarming System Using Hot Air
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Motivated by the urgent need for flexibility and startup capability improvements of conventional power plants in addition to extending their life cycle, General Electric provides its customers with a product to prewarm ...