Journal of Engineering for Gas Turbines and Power: Recent submissions
Now showing items 141-160 of 9564
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On the Performance of Common-Core Turboprops
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Turboprops offer a promising pathway for sustainable aviation, as they can achieve high levels of propulsive efficiency and reduced installed drag compared to high bypass ratio turbofans. Turboprop engine cores, ... -
Study on the Transient Erosion Characteristics of Energy Recovery Turbine Blades With Unsteady Reynolds-Averaged Navier–Stokes and Large-Eddy Simulation Methods
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Investigating the gas–solid interaction mechanisms and particle erosion characteristics within the flow passages of energy recovery turbines is essential for enabling efficient, durable, and safe operation through ... -
An Adaptive Calibration Method for the Rapid Performance Prediction of the Axial Turbines Driven by the Energy Loss Models and the Small Sample Data
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The turbine, as a critical component of gas turbines, has been widely used in marine propulsion. However, performance prediction based on small samples remains challenging. While data-driven methods easily overfit ... -
Three-Dimensional Nonlinear Simulation of Piston Ring Installation, Dynamics, and Wear
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. A three-dimensional nonlinear finite element model for compression rings has been developed to simulate the ring's installation within the liner and the ring dynamics over an engine cycle. Any ring-free shape and ... -
Dynamics and Stability of Swirl-Stabilized, Non-Premixed CH4/NH3 Combustion
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The rapidly growing global energy demand and concerns over the environmental impact of fossil-fuel-based energy call for the exploration of reliable carbon-free fuels, including hydrogen, ammonia, or blends of ... -
High-Temperature Creep and Elastic Properties of Environmental Barrier Coatings
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Environmental barrier coatings (EBCs) offer protection to silicon carbide (SiC)-based ceramic matrix composites (CMCs) against corrosion, oxidation, and water vapor for high-temperature gas turbine applications. ... -
Study of Enstrophy Dynamics During the Mode Transition in a Hydrogen Fueled Rotating Detonation Engine Combustor
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. In this study, the dynamics of enstrophy and terms contributing to its amplification and attenuation are examined for a rotating detonation engine (RDE) combustor. The analysis is performed using a dataset obtained ... -
Integrated Design and Operation Assessment of a Preheating System for Liquid Hydrogen Fueled Engines
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Cryogenic liquid hydrogen (LH2) is highly considered as a potential long-term solution toward emissions reduction in the aviation sector. However, one of the major challenges that the handling and integration of ... -
Three-Dimensional Aerodynamic Optimization of Stator Blades Within a Stage Flow Environment for Compressor Performance Enhancement
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. To address the flow instability induced by large-scale boundary layer separation within transonic compressor stator passages, this study performs a three-dimensional aerodynamic optimization of a 1.5-stage transonic ... -
Analysis of an Integrated Approach for Aircraft Emissions Calculations: Combining BFFM2 and MEEM Methods
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Estimation of aircraft emissions is essential for evaluating environmental impact and supporting sustainable aviation strategies. This study introduces an emissions integrated method (EIM) that combines Boeing ... -
Investigation of Leakage and Windage Heating of the Counter-Rotating Labyrinth Seal on Various Rotation Speed and Clearance
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Vaneless counter-rotating configurations are known to improve aero-engine thrust-to-weight ratios; however, the sealing behavior of labyrinth seals under counter-rotating conditions has not been thoroughly ... -
The INFRa Rig: Validating High-Fidelity Fan-Intake Simulations in a Crosswind Facility
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. This study addresses the numerical and experimental investigation of a low-pressure ratio fan at takeoff representative operating conditions including crosswind. It explores this by qualifying high-fidelity ... -
Delayed Detached Eddy Simulation of Spray Combustion in a Gas Turbine Combustor With and Without Nozzle Blockage
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The performance of nozzles in the combustor is critical to the combustion process, and carbon deposition on the nozzles can significantly degrade combustion efficiency. Although many studies have been conducted ... -
A Novel Reverse Swirl Generator Concept for Enhancing the Rotordynamic Stability of Annular Gas Seals Utilizing the Intrinsic Energy of Leakage Flow
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Circumferential flow is the major cause of rotordynamic instability in annular gas seals, and antiswirl techniques are widely adopted to mitigate this issue. Conventional solutions such as swirl brakes have proven ... -
Characterization of Flashback and Flame-Holding in a Jet-in-Crossflow Mixing Configuration With Methane–Hydrogen Fuel Blends
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. An approach that combines experimental and numerical analyses has been implemented to characterize the fundamentals of flashback events and flame-holding phenomena during high-hydrogen combustion in a jet-in-crossflow ... -
Multi-Objective Optimization of Expansion Trains in CAES: Incorporating Organic Rankine Cycles for Improved Efficiency
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. This paper focuses on the expansion train designed for the compressed air energy storage (CAES) concept under development in the EU-funded ASTERIx-CAESar project. The system integrates concentrated solar thermal ... -
Learnings in the Qualification of ABD®-900AM for Turbine, Aerospace, and Energy Applications
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. ABD®-900AM is a highly printable, gamma prime strengthened superalloy purposely designed for powder bed fusion (PBF) additive manufacturing (AM) with broad applicability to high-temperature gas turbine, aerospace, ... -
Development of Hydrodynamic Mechanical Face Seal for Aircraft Engine Gearboxes With Gas–Liquid Hybrid Lubrication
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. In high-speed rotating equipment such as turbomachinery, low-loss, low-wear, and low-leakage sealing technology is needed to achieve higher efficiency, longer service life, and lower environmental impact. The ... -
Numerical Simulation of Spark Discharges for Gas Turbine Applications
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. This study investigates the energy distribution and shape evolution of the spark within a surface-discharge igniter using a magnetohydrodynamic (MHD) model. The model integrates an arc root model within a local ... -
Design-for-Additive-Manufacturing Approach for Support-Free Pre-Assembled Micro Gas Turbines
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. This study presents a preliminary design approach for pre-assembled microgas turbine engines for unmanned aerospace propulsion systems, intended for fabrication via direct metal laser sintering, and demonstrates ...