Journal of Turbomachinery: Recent submissions
Now showing items 61-80 of 4519
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Localized Disturbance Evolution Under Circumferential Distortion: A Perspective on the Critical Angle
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. This article aims to explain the formation mechanism and variation patterns of critical distortion angles through disturbance evolution on a low-speed fan. Based on time-domain analysis and wavelet transform, the ... -
Experimental Characterization of Heat Transfer and Fluid Dynamics in Pulsating Exhaust Flows
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. This study provides empirical insights into transient fluid dynamics and their consequential impact on heat transfer augmentation in reciprocating machinery. Using the transient air system rig (TASR) developed ... -
Effect of Rotor/Stator Axial Loading Design on Compressor Performance and Flow Stability
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Numerical investigations were conducted to study the influence of rotor/stator blade loading distributions (BLDs) on compressor aerodynamic performance. The fore-loaded rotor design slightly improved compressor ... -
Simplified Model and Approach to Transform Infrared Surface Temperature to Film Effectiveness in a Conjugate Heat Transfer Experiment
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. In the pursuit of more efficient gas turbines, film cooling is a critical technology. This article describes a simplified engineering model based on a one-dimensional thermal resistance network. The model is used ... -
Experimental Analysis on Microchannels With Different Cross-Sectional Shapes for Internal Cooling Applications
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The use of additive manufactured microchannels for gas turbine cooled components is considered a promising approach to enhance the internal cooling efficiency. On the other hand, the evaluation of heat transfer ... -
Transient Temperature Field Inversion of Turbine Based on Physics-Encoded Neural Networks
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. In turbomachinery design, the accurate prediction of the life cycle is one of the most challenging issues. With increasing thermal loads, thermomechanical fatigue in the turbine has become a focal point of ... -
Uncertainty Quantification Analysis of Turbine Parameters Based on Conjugate Heat Transfer Calculation
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The energy conversion of aero engines is borne by turbines, which are closely related to engine performance and service life. In order to operate stably in harsh conditions and high-temperature inflow environments, ... -
Effect of Surface Roughness, Contact Angle, and Temperature on Salt Crystallization From Sessile Drops
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. This study investigated the influence of salt solution drying temperature, substrate material, and surface roughness on deposit morphology and deposition pattern. Sessile drop drying experiments were conducted ... -
Numerical and Experimental Analysis of the Tip Leakage Flow in a Squealer Low-Pressure Turbine Blade for Different Operating Conditions
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. This study combines experiments and numerical simulations (3D-Reynolds-averaged Navier–Stokes (RANS)) to achieve a deep understanding of the effects induced by varying key parameters affecting tip leakage flow ... -
Advancing Turbomachinery Meanline Modeling and Optimization With Automatic Differentiation
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Meanline modeling is vital in turbomachinery design process, enabling accurate and computationally efficient performance analysis and design optimization. In gradient-based optimization, accurate derivatives are ... -
Impact of Trailing Edge Damage on Nozzle Guide Vane Flow Capacity
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. In this paper, we consider the impact of trailing edge burn-back (due to oxidation damage) on the flow capacity of cooled transonic high-pressure (HP) nozzle guide vanes. The purpose is to provide understanding ... -
Experimental Investigation of Turbulence Inside an Annular Turbine Exit Guide Vane Cascade With Unsteady Wakes and Purged Cavity Using Constant Temperature Anemometry
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The total efficiency of jet engines can be increased by implementing recuperative systems. These systems need an increased fluid total temperature downstream of the low-pressure turbine (LPT). Thus, a method is ... -
Internal Convective Heat Transfer in a Real Engine Component: A Comparison Between Pin-Fins and Kagome Lattice
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The capabilities and accuracy of additive manufacturing processes have experienced remarkable advancements in recent years, with no signs of slowing down. As a result, there is increasing interest from researchers ... -
Numerical Investigation of the Outlet Stage Variable Tandem Stator Adjustment on the Performance and Internal Flow Mechanism in an Ultra-Wide Range Adjustable Fan
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. With the continuous expansion of the aero engine flight envelope, the three-bypass adaptive cycle compression system must enhance both the flow adjustment range of the rear fan and the throughflow capacity during ... -
Optimization of Endwall Ridging for Enhanced Efficiency in Aggressive Turbine Vaned Ducts
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. This study presents a joint experimental and numerical investigation on the impact of endwall ridging on the efficiency of a turbine nozzle guide vane (NGV). Experiments are conducted on a large-scale, low aspect ... -
Reduced Order Modeling of the Unsteady Pressure on Turbine Rotor Blades Using Deep Learning
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. In transonic turbine stages, complex interactions between the trailing edge shocks from nozzle guide vanes and the rotor blades generate unsteady wall pressure fields, affecting the rotor aerodynamic performance ... -
Thermal Performance Comparisons of Advanced Cooling Designs Under Engine Representative Conditions
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Novel turbine blade cooling geometries have conventionally been assessed using computational methods, simplified flat-plate geometries, or large-scale wind tunnel models all at low-technology readiness levels. ... -
A Three-Dimensional Actuator Disk Model for Fan Response to Inlet Distortion—Part II: Applications
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. A theory developed in a companion paper (Part I) for the distortion response of a fan stage is applied to several configurations. The first of these is a conventional single-stage fan comprising a rotor and a ... -
Predicting Time-Averaged Unsteady Flows in Turbomachinery via Graph Neural Networks
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Recent advancements in deep learning have led to its increased application in the field of fluid dynamics, offering a promising alternative to conventional numerical approaches. By using a data-driven methodology, ... -
A Three-Dimensional Actuator Disk Model for Fan Response to Inlet Distortion—Part I: Formulation
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. This article describes a semianalytical approach to investigate the response of a fan stage of arbitrary hub–tip ratio subjected to inlet distortion. The flow is taken to be incompressible and inviscid and the ...