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RISExperimental 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 ...
A Unified Approach for the Quantitative Comparison of Strain Gauge and Blade Tip-Timing Measurement Results for Blade Vibration in Turbomachinery
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. Accurate measurement of blade vibrations in turbomachinery is crucial for precise service life assessment. The most commonly employed techniques are strain gauge (SG) and blade tip-timing (BTT). While BTT has ...
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 ...
Performance and Emission Footprint of Decentralized H2/NH3 Gas Turbines With On-Site Ammonia Decomposition and Exhaust Aftertreatment
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. Within the energy sector, the mitigation of climate change necessitates a paradigm change toward the replacement of conventional with sustainable power generation technologies and more comprehensive environmental ...
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 ...