Journal of Engineering for Gas Turbines and Power: Recent submissions
Now showing items 61-80 of 9564
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Influence of Mesh Parameters and Turbulence–Chemistry Interactions on Wave Mode Prediction in Rotating Detonation Engines
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The influence of spatial discretization, mesh refinement, and turbulence–chemistry interactions (TCI) on wave mode dynamics and heat release is studied by performing full-scale 3D nonpremixed reacting flow ... -
Aero–Thermo Analysis of a Waste Heat Recovery Heat Exchanger
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. This study investigates the aerothermal performance and flow dynamics of a heat recovery heat exchanger (HEX) for the Water Enhanced Turbofan (WET) cycle concept. A combined experimental and numerical approach ... -
Optimization Design and Research on Labyrinth Seal Structure of Wave Rotor
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. As a rotating device, the wave rotor has two key clearances during operation: one between the port and the rotor end face, and the other between the rotor and the casing. These clearances directly cause gas ... -
On a Novel Co-Rotating Synchronous Turbine Mode Operation in a Centrifugal Compressor
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. A novel co-rotating, synchronous, reverse flow (RF) turbine mode operation in a centrifugal compressor (CC) is investigated, and methods to enable this mode, its working principles, flow field features, and key ... -
An Experimental Investigation of the Effects of Air Ingestion on Subsynchronous Damping Coefficients in an Open Ends Squeeze Film Damper
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Squeeze film dampers (SFDs) utilize a thin oil film between a nonrotating journal and stationary housing to reduce vibrational amplitudes while crossing critical speeds and improve stability. SFDs may experience ... -
Development of a Full-Scale Retrofittable Ammonia Combustor for Can Annular Frame Engine Implementation
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Low carbon and renewable fuels are an active area of research due to their potential to reduce both stack and life-cycle carbon emissions. Ammonia is one such fuel as it has storage, production, infrastructure, ... -
Reduced-Order Modeling of Rotor Blades With Geometric Uncertainties
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Turbomachinery blade geometry deviates from design specifications because of the manufacturing process or degradation. These represent a source of mistuning, which can cause mode localization and amplified forced ... -
Development of Hydrocarbon Gas Compressor With Integral Motor and Foil Bearing
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Turbocompressors are important equipment in oil and gas industry. Despite advantages in size and efficiency, turbocompressors could not be widely applied for small capacity compressions due to high equipment cost ... -
Leveraging Additive Manufacturing Design Strategies to Understand Vaned Diffuser Off-Design Performance
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. High-speed compressors for aircraft engines are required to maintain stable and stall-free operation across a wide range of operating conditions. As the operating point changes, the mass flowrate through the ... -
Optimized H-Shaped VAWT for Tilted Operation: Computational Fluid Dynamics Evaluation of Design and Off-Design Conditions
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. In the present work, a numerical investigation on the performance of an optimized H-shaped vertical-axis wind turbine (VAWT), previously presented at the ASME Turbo Expo, is provided both at design and high load ... -
Assessing the Education to Engineering Sustainable Propulsion Undergraduate Education and Research Program
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. In this paper, we explore the implementation of a student-led, performance-based assessment model in a vertically integrated, industry-sponsored undergraduate research program focused on sustainable aviation. ... -
Wall Condensation in Steam Turbine Startups: Preliminary Design Assessments
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The recent interest in the use of renewable energy source for power plants has led to a paradigm shift in the design of steam turbines. In particular, due to the intermitted nature of such energy sources, steam ... -
Thermodynamic Tradeoffs in Brayton High-Temperature Heat Pumps: Impact of Compressor Performance and Heat Exchanger Size
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. High-temperature heat pumps (HTHPs) are a standard solution to electrify and decarbonize process heat production. To date, commercial HTHP technologies cannot operate much beyond 200 °C, but new solutions that ... -
Operating Range of Turbocharged Air Supply Systems for Fuel Cell Aircraft Propulsion
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. In this paper, we investigate the operating range of a turbocharged polymer electrolyte membrane (PEM) fuel cell system for regional aircraft propulsion using conceptual design methods. Specifically, we focus on ... -
Assessing the Effectiveness of Terpenes as Blending Agents in a Diesel Engine
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The pursuit of sustainable fuel alternatives with favorable physicochemical characteristics, cost-effective large-scale production, reliance on accessible feedstocks, and compatibility with current infrastructure ... -
Simultaneous Control of Unburned NH3 and NOx Emissions From High Load Dual-Fuel Ammonia Operation on a High-Speed Diesel Engine Using a Cu-SCR System
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Dual-fuel ammonia strategies are being investigated as a promising way to utilize NH3 as an alternative fuel for internal combustion engines in the maritime sector. One of the remaining barriers to implementing ... -
Conceptual Comparative Study of the Flutter Vibration Amplitude of Unstable Aeronautical Fans and Low-Pressure Turbines
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Flutter design criteria in aeronautical fans and cantilever low-pressure turbines (LPTs) differ significantly. Modern LPT blades often exhibit aeroelastic instability across multiple nodal diameters but are ... -
Optimal Cycle and Turbine Design For MW-Scale Waste Heat Recovery Organic Rankine Cycle With Partial Evaporation
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Efficiently converting waste heat into electricity is crucial for enhancing energy sustainability. Partial evaporation organic Rankine cycle (PE-ORC) technology with wet-to-dry expansion has demonstrated improved ... -
Comprehensive Method for Predicting Gas Turbine Cycle Performances Considering the Impact of Various Fuels
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Gas turbines have advanced significantly in recent years, particularly in compressor and turbine efficiency, because of aerodynamic breakthroughs based on numerical flow simulations. Additionally, modern energy ... -
Experimental Identification of the Operability Limits in Exhaust Gas Recirculation Rates Under Transient Control for a Microgas Turbine
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Exhaust gas recirculation (EGR) has been identified as a key adaptation for gas turbines to mitigate the efficiency penalty of amine-based postcombustion carbon capture. By reducing the exhaust gas flow rate and ...