Journal of Engineering for Gas Turbines and Power: Recent submissions
Now showing items 181-200 of 9564
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Dynamic Modeling and Experimental Insights in a 10 kWe Micro Gas Turbine Prototype: Experimental Validation and Testing
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The growing need for decentralized and renewable power generation increases demand for flexible and highly efficient small-scale power units. Microgas turbines (mGTs) are strong candidates for combined heat and ... -
Coherent Anti-Stokes Raman Spectroscopy Temperature Measurements in a Swirl-Stabilized Spray Combustor
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Coherent anti-Stokes Raman spectroscopy (CARS) is an established technique for acquiring highly accurate, nonintrusive gas temperature measurements. CARS was selected for this study because other temperature ... -
Development of an Additive Manufactured Novel Hydrogen Combustor on Basis of the Proven Micromix Principle
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. To support the transition toward climate-neutral aviation, hydrogen is considered one of the most promising energy carrier candidates. However, hydrogen combustion is inherently prone to high NOx emissions. To ... -
High-Fidelity Simulation for the Lean Blow-Out Analysis of an Industrial Burner Operated With Artificial Exhaust Gas Recirculation
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. In this paper an enhanced thickened flame model (TFM) capable of accounting for both premixed and nonpremixed combustion regimes is leveraged to reproduce the extinction limit of an industrial burner operating ... -
A Comprehensive Simulation Approach for Maintenance Costs of Future Aircraft Engines Using the Example of Hybrid-Electric Propulsion
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. With the forthcoming introduction of novel propulsion systems into the aviation sector, there is a need for adapted prediction methods for Maintenance, Repair & Overhaul (MRO). This study presents a holistic ... -
Stress Assisted Grain Boundary Oxidation Behavior of IN706 Material Used in Gas Turbines
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The electric power sector is currently facing major industry challenges around decarbonization efforts, and gas turbines will continue to play a crucial role for the energy transition. Major efforts have included ... -
A Computationally Efficient Approach to Modeling Three-Dimensional Geometric Effects of Combustor Geometries in Rotating Detonation Engines Using Two-Dimensional Computational Fluid Dynamics
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Current state-of-the-art gas turbine engines operate in deflagration mode of combustion. Integrating a rotating detonation combustor (RDC) successfully with a downstream turbine has the potential to enhance the ... -
A Flamesheet™ Combustion System With Cracked Ammonia as a Fuel
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Hydrogen-fired combustion turbines will play a critical role in the decarbonization of the Energy sector. Retrofittable technologies to reduce carbon emissions from existing gas turbine power plants are desirable ... -
Forward Probabilistic Methodology for Static Damage Initiation and Vibratory Characteristics of Laminated Composite Fan Blade With Multiscale Aleatory Uncertainties
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. An investigation is conducted to ascertain the feasibility of using integrated probabilistic design to evaluate structural integrity of composite fan blade used in advanced high-bypass-ratio turbofan engines. The ... -
Toward the Development of an NH3-RRQL System—Part II: Effects of the Primary Combustion Zone Length and Secondary Stage Number of Holes on Stability and Emissions
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Staged combustion systems like the rich–relaxation–quench–lean (RRQL) offer the potential for low nitrogen oxides (NOx) emissions while burning ammonia (NH3). This process involves rich premixed NH3–air combustion ... -
Toward the Development of an RRQL System—Part I: Swirl Pattern Effect on Exhaust Emissions and Chemiluminescence Distribution for NH3–Air Premixed Swirl Flames
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Ammonia (NH3) is a carbon–free energy source and hydrogen carrier, but its fuel–bound nitrogen can lead to significant nitrogen oxides (NOx) emissions. Staged combustion strategies, such as rich–quench–lean, can ... -
Ammonia-Fueled Gas Turbines Toward Affordable and Clean Energy Production: A Review
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Amidst the heightened global awareness of climate change, discourse has shifted decisively toward the ambitious vision of a carbon-free economy. This paradigm shift imposes even more rigorous criteria for selecting ... -
Reducing NOx Emissions in Ammonia Combustors
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Ammonia continues to attract growing interest as a carbon-neutral replacement fuel, motivating numerous research efforts toward understanding fundamental ammonia combustion characteristics. A major challenge for ... -
Surface Roughness Effects on the Operability and Performance of a Hydrogen Jet Burner
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Over the past decade, additive manufacturing (AM) has gained considerable traction in the gas turbine industry. Manufacturers now look to AM for the production of critical components central to the combustor ... -
Assessing the Impact of Turbofan Engine Design on Aircraft Contrail Properties
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Reducing the impact of aircraft-induced radiative forcing must be explored in a multidisciplinary manner regarding CO2 and non-CO2 effects for the aviation sector to reach its net-zero goal by 2050. In the current ... -
Advanced Hydrogen Cycles to Help Decarbonize the Aviation Industry Hydrogen Fuel Cycles for Aero Gas Turbines
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Hydrogen is currently being considered by the aviation industry as a key enabler to decarbonize the future of flight. While presenting numerous challenges, hydrogen also offers unique opportunities for both the ... -
Data-Driven Approaches for Thermocouple Conduction and Inertia Correction to Improve Engine Digital Twin Modeling
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Digital engine twins duplicate the real existing, complex system by a digitally created construct representing its time-dependent characteristics. Based on real-time measured data, they provide information about ... -
High-Load Liquid Rocket Engine Turbine: Design Optimization and Flow Loss Analysis
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. A full-flow staged combustion cycle (FFSC) liquid rocket engine can efficiently utilize the propellant energy. However, it increases the demand for turbine mass flowrate and output power. The increased loads will ... -
Techno-Economic Assessment of an Ammonia-Based Gas Turbine
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The crucial role of gas turbines (GTs) in the power production field, within a continuos evolving energy market and needs to reduce carbon emissions, is nowadays becoming increasingly important. In this context, ... -
Unsteady Computational Fluid Dynamics Analysis of End-Sector Losses in a Two-Phase Axial Turbine With Partial Admission
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Two-phase axial turbines offer a promising solution for improving the efficiency of energy conversion systems such as partial-evaporation organic Rankine cycles power systems, and refrigeration processes. However, ...