ASME: Recent submissions
Now showing items 541-560 of 108258
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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 ... -
Thermomechanical Characterization and Geometric Optimization of Multi-Layer Cantilever Probe Card Needles for Wafer Testing
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Probe cards play an essential role in wafer testing, with multilayer cantilever designs accommodating the high pin-count requirements of modern IC devices. However, dense probe arrangements increase the risk of ... -
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. ... -
Experimental Investigation on the Surge Behaviors in the Centrifugal Compressor With Volute
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The surge phenomenon seriously restricts the stable operating range of centrifugal compressors, and how to delay the occurrence of surge has always been a hot topic in centrifugal compressor research. For centrifugal ... -
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 ... -
Thermo-Structural Design of an Air-Cooled Rotating Detonation Combustor for Gas Turbine Integration
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Rotating detonation combustion (RDC) is a promising technology with the potential to significantly enhance thermodynamic efficiency and reduce the footprint of propulsion and power generation systems. However, ... -
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 ... -
Challenges and Opportunities in Hierarchical Multi-Length-Scale Thermal Modeling of Electric Vehicle Battery Systems
(The American Society of Mechanical Engineers (ASME), 2025)Abstract. This expert view article reviews the latest developments, challenges, and opportunities in hierarchical modeling of electric vehicle (EV) battery systems across multiple length scales from battery electrodes to ... -
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 ... -
A Hyperbolic One-Dimensional Model for Two-Phase Flows in Converging–Diverging Nozzles
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Partial-evaporation organic Rankine cycle power systems are a promising technology for power generation from low-temperature heat sources such as waste heat and geothermal heat. A specific challenge in two-phase ... -
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 ... -
Experimental Study of Endwall Film Cooling and Heat Transfer for Different Upstream Slot and Hole Geometries in an Annular Sector Cascade Under High-Speed and Low-Speed Conditions—Part II: Heat Transfer and Aerodynamics
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Endwall film cooling strategies typically involve the employment of discrete holes or harness purge air that exits from the gaps between adjacent turbine components. Whichever the technique, the propagation of ... -
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 ...