YaBeSH Digital Library: Recent submissions
Now showing items 10581-10600 of 316660
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Effect of Ceramic Matrix Composites on the Thermal Efficiency of a Power Generation Turbine
(The American Society of Mechanical Engineers (ASME), 2024)Ceramic matrix composites (CMCs) offer higher allowable temperatures and reduced weight, making them an attractive prospect for parts in the hot section of a gas turbine engine. As CMCs are increasingly adapted into aero ... -
Noise Source Identification for the Unsteady Low-Pressure Turbine Flow Fields
(The American Society of Mechanical Engineers (ASME), 2024)The article presents a data processing methodology to identify the noise sources in low-pressure turbine (LPT) stages and their relative importance. Scale adaptive simulation (SAS) has been carried out on a geometry ... -
Unique High-Resolution Temperature Mapping of Stage 1 Turbine Vane in a Long-Term Engine Test
(The American Society of Mechanical Engineers (ASME), 2024)In this study, surface temperature maps resulting from a long-term engine test were evaluated on a stage 1 turbine vane using thermal history coatings (THCs). THCs are ceramic-type sensor coatings doped with a lanthanide ... -
Unsteady Flow Structure of Rotating Instability in a 1.5-Stage Axial Compressor
(The American Society of Mechanical Engineers (ASME), 2024)The unsteady flow structure of the rotating instability (RI) in a 1.5-stage axial compressor is investigated through experimental and numerical analyses. In the tested compressor, the total pressure rise of the rotor ... -
Large Eddy Simulation Analysis of Loss Anomaly of a Turbine Blade With Large Trailing Edge Radius
(The American Society of Mechanical Engineers (ASME), 2024)There is great interest in the usage of ceramic matrix composites (CMC) as a turbine blade material. However, depending on the manufacturing process of the CMC, blades may have a thicker trailing edge. The design space ... -
An Experimental Study on the Effects of Nonuniform Vane Spacing on Forced Response Reduction in a Mistuned Rotor Blisk in a Multistage Axial Compressor
(The American Society of Mechanical Engineers (ASME), 2024)Stators with nonuniform vane spacing (NUVS) are known to effectively reduce the forced response of adjacent rotors by spreading the primary engine order (EO) excitation at a certain speed to a series of weaker excitations ... -
Optimized Casing Treatment to Improve Stall Margin Under Circumferential Pressure Distortion in a High-Speed Axial Flow Fan
(The American Society of Mechanical Engineers (ASME), 2024)An optimized axial slot casing treatment (OPCT) was designed that experimentally improves the stall margin by 7.31% with an efficiency gain of 1.94% at a design speed of 100% in a high-speed axial flow fan. Subsequently, ... -
The Effect of Unsteady Inlet Boundary Conditions on the Aero-Thermal Behavior of High-Pressure Turbine Vanes – A Numerical Study Using Scale-Resolving Simulations
(The American Society of Mechanical Engineers (ASME), 2024)This paper presents the application of a novel method to prescribe unsteady boundary conditions to transient, scale-resolving computational fluid dynamics simulations of the high-pressure turbine in modern jet engines. The ... -
Solar Collector Featured Dryer Performance Enriched by the Adaptations of Phase Change Material Embedded With Fin Collector Absorber
(The American Society of Mechanical Engineers (ASME), 2025)The solar dryer was an effective choice for drying agriculture products because it is cost-effective and requires no external energy for process drying. The fluctuation in drying temperature due to irregular radiation ... -
A Radiation Heating-Based Oscillatory Polymerase Chain Reaction System for Detecting Donkey-Hide Gelatin
(The American Society of Mechanical Engineers (ASME), 2025)Polymerase chain reaction (PCR) is a biochemical technique for copying DNA by repeatedly changing the temperature of nucleic acid samples. In this study, we aim to create an oscillatory PCR system with a short reaction ... -
Long-Range Electrostatic Adhesive Contact Between an Elastic Half-Space and a Rigid Indenter With Power-Law Profile
(The American Society of Mechanical Engineers (ASME), 2024)In this study, the electrostatic adhesive contact between a smooth indenter with a power-law geometry and an elastic half-space is studied using both a theoretical and numerical approach. Both the indenter and substrate ... -
Studies on Thermal Separation and the Effects of Geometrical and Operating Parameters on the Performance of Pressure Wave Refrigerators
(The American Society of Mechanical Engineers (ASME), 2025)Thermal separation in a pressure wave refrigerator (PWR) occurs primarily through the propagation of shock waves and reverse-moving rarefied waves produced by injecting a high-pressure gas into a low-pressure residual gas ... -
Operational Flexibility Evaluation and Techno-Economic Analysis on Hot Primary Air Temperature Boosting by Reheated Steam in a Lignite-Fired Power Plant
(The American Society of Mechanical Engineers (ASME), 2025)Coal-fired power plants are commonly used as adjustable power sources to complement the fluctuating output of wind and solar energy. The investigation is required to determine the flexible peak-shaving capabilities of ... -
Energy-Efficient Three-Wheel Bleedless Electrical Environmental Control System for a Passenger Aircraft
(The American Society of Mechanical Engineers (ASME), 2024)The environmental control system (ECS) of an aircraft is designed to create a comfortable and suitable atmosphere for both passengers and crew, as well as the avionics. Additionally, the ECS represents the highest power ... -
Simulation and Experimental Study of Two-Phase Gas–Liquid Behavior in Two-Dimensional Porous Medium Based on Lattice Boltzmann Method
(The American Society of Mechanical Engineers (ASME), 2024)Loop heat pipe is a passive two-phase heat transfer device. The key component of the loop heat pipe is the evaporator. In this study, the gas–liquid two-phase behavior inside a two-dimensional porous medium with a single-pore ... -
Numerical Simulation and Experimental Research on the Effect of Flow Regimes for Refrigeration Performance of Wave Rotor
(The American Society of Mechanical Engineers (ASME), 2024)Wave rotors exchange energy through the interaction of fluids with different pressures to produce a cooling effect without the application of mechanical parts, which makes them suitable for the complex flow field environments. ... -
A Novel Electric Vehicle Thermal Management System Based on Charging Station Heat Pump System During Fast Charging
(The American Society of Mechanical Engineers (ASME), 2024)A battery thermal management system based on a charging station heat pump system is proposed to improve battery charging efficiency during high-power direct current charging. The system provides coolant of appropriate ... -
Temperature Analysis of Waveform Water Channel for High-Power Permanent Magnet Synchronous Motor
(The American Society of Mechanical Engineers (ASME), 2024)High-power permanent magnet synchronous motors (HPMSM) face extremely harsh cooling conditions due to their high power and complex structure. An efficient cooling system is pivotal to ensuring the safety and operational ... -
Numerical Simulation Study of Boiling Heat Transfer of R290 Flow in Horizontal Microtubes
(The American Society of Mechanical Engineers (ASME), 2024)R290 is considered to be an excellent alternative refrigerant for domestic air conditioners in the future. In this article, computational fluid dynamics (CFD) numerical simulation was used to obtain the flow field distribution ... -
Micro-Channel Cooling of Hot Spots Through Nonuniform Aspect Ratio Designs
(The American Society of Mechanical Engineers (ASME), 2024)Electronic devices experience spatial variation in power dissipation, which results in high-temperature hot spots. These locations require aggressive thermal management, which can be complex and costly. Simple solutions ...