YaBeSH Digital Library: Recent submissions
Now showing items 121-140 of 316660
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Process Flow for Integrally Bladed Rotor Mistuning Identification During Depot Inspections Using Geometric Mistuning Approaches
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Integrally Bladed Rotors (IBRs) are subject to foreign object damage, wear and tear, and repair processes that may mistune the system through nonuniform geometric perturbations during usage. This mistuning can ... -
A Physics-Informed Adaptive Segmentation Fitting Method for Transient Thermal Test Analysis
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Transient thermal testing is a crucial technique for characterizing the thermal properties of semiconductor devices, but measurement noise often compromises its accuracy. Conventional square-root fitting (SRF) ... -
Reducing Low-Pressure Turbine Shroud Leakage Loss by Optimizing Leakage-Mainstream Interaction
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. In turbomachinery, mixing in the blade tip region between tip leakage and mainstream flow leads to irreversible entropy production, which is detrimental to efficiency. Despite extensive efforts to reduce leakage ... -
Stability Enhancement With Controllable Speed Casing for Transonic Compressor Rotor in Different Speed Conditions
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Controllable speed casing (CSC) represents an innovative approach to casing treatment designed to enhance the adaptability of casing treatment to the variable operating conditions of compressors. This study ... -
Rim Seal Flow Analysis Through a Novel Technique in a Highly Instrumented Two Spool Rig
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. This study introduces the first application of a sparsity-promoting linear regression technique to analyze the flow behavior within the rim seal region between the rotor and stator disks in a highly instrumented ... -
Study on Damping of Nozzleless Radial Turbine and Its Role in Forced Response
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. This paper systematically investigates the factors influencing radial turbine damping, including aerodynamic and material damping. Aerodynamic damping is identified as the dominant contributor, accounting for ... -
Study on the Impact of Fuel Staging on Flame Structure and Thermoacoustic Oscillation in a Diesel Multi-Nozzle Combustor
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Modern gas turbine combustors usually adopt multinozzle lean premixed and pre-evaporated (LPP) combustion technology to reduce emissions. However, the thermoacoustic oscillation of this design poses a significant ... -
Direct Numerical Simulations and Boundary Layer Analysis in Compressor Blade Channel at Various Reynolds Numbers
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The current study investigated the boundary layer (BL) characteristics in the V103 compressor blade channel under a series of Reynolds number (Re) conditions (Re=1.367×105, Re=1.506×105, and Re=1.645×105) using ... -
Multidirectional Imaging of Liquid Jet Trajectory in Swirling Air Crossflow at Elevated Pressures
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. An experimental investigation is conducted to elucidate the trajectory evolution of a liquid jet subjected to a swirling air crossflow under elevated pressure conditions, representative of airblast atomization ... -
Wind Tunnel Testing at TRL4 of EBC-Coated SIC/SIC Nozzle Guide Vanes for High-Pressure Turbines With Trailing Edge Cooling
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. To fulfill the high flight requirements for a significantly lower environmental impact, new approaches to the design of engines are required. One solution to build an engine as a whole more efficiently is the use ... -
An Analysis of Carbon Footprint Sensitivity to Recycling Content of High-Performance Turbomachinery Components Applying Circular Footprint Formula
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The fight against global warming and climate change, in the United Nations (UN) Agenda 2030 scenario, has made clear the need of a more sustainable industrial design as part of a sustainable product development ... -
Heat Transfer Measurements in a Turbine Center Frame at Realistic Mach Number—Part II: Influence of Combustor Hot Streaks
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. This article investigates heat transfer in a turbine center frame (TCF), focusing on the effects of combustor temperature non-uniformities, more commonly referred to as hot streaks (HSs). It is a continuation of ... -
Experimental Assessment of the Hip Trajectory Error Framework for Designing Prosthetic Feet for Above-Knee Amputees During Walking
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Providing a well-fitting prosthetic foot can improve a user's mobility and satisfaction with their lower-limb prosthesis, but achieving high performance with a prosthetic foot for people with an above-knee ... -
Numerical Concept Study for Part-Load Operation of the Ansaldo Constant Pressure Sequential Combustion System Operated in Rich–Dilute–Lean Mode Using Ammonia-Based Gaseous Fuels
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Two earlier concept studies, exploiting high-resolution numerical simulations, have shown that Ansaldo's constant pressure sequential combustor (CPSC) at full load is theoretically capable of switching from ... -
A Flow Physics Approach to Determining Critical Angle of Inlet Total Pressure Distortion for a Centrifugal Compressor
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Characterizing the critical circumferential angle of total pressure inlet distortion, where compressor performance and stability are degraded, is of paramount importance for gas turbine inlet integration. This ... -
Heat Transfer Measurements in a Turbine Center Frame at Realistic Mach Number—Part I: Baseline Study
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. This paper investigates heat transfer in a turbine center frame (TCF), a transition duct that guides the flow from the high-pressure to the low-pressure turbine. Experimental results were acquired in a high-speed ... -
Numerical Investigation on Influence of Midpassage Gap Leakage on Ingestion and Flow Characteristics in the Downstream Wheelspace of the 1.5-Stage Turbine
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The ingestion and flow in the disk cavity significantly affect the performance and the operating safety of turbines. This paper focuses on the 1.5-stage turbine downstream wheelspace and conducts a numerical ... -
Synchronization of the Unsteady Pressure Field: An Explanation for Amplified Ingress
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The efficiency of aero-engines is linked to increased turbine entry temperature and a secondary air system that protects vulnerable components under high thermal stresses and metal temperatures. Purge (or sealing) ... -
Nonlinear Dynamics of Circular Dielectric Elastomer Membranes With Proportional-Integral-Derivative Feedback Control
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Achieving large deformations in dielectric elastomers without dielectric breakdown remains a challenge that limits their technological implementation. This work analyzes the performance of proportional-integral ... -
Experimental and Numerical Study on Flow and Heat Transfer Characteristics of a Dual-Stage Brush Seal With Pressure Equalization Holes on Backing Plate
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Dual-stage brush seal exhibits issues of imbalanced pressure drop at bristle pack between stages and high temperature resulting from frictional heat accumulation at bristle tips. In this paper, a dual-stage brush ...