Journal of Turbomachinery
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EISSN:1528-8900|ISSN:0889-504X|Disc:The Journal of Turbomachinery publishes archival-quality, peer-reviewed technical papers that advance the state-of-the-art of turbomachinery technology related to gas turbine engines. The broad scope of the subject matter includes the fluid dynamics, heat transfer, and aeromechanics technology associated with the design, analysis, modeling, testing, and performance of turbomachinery. Emphasis is placed on gas-path technologies associated with axial compressors, centrifugal compressors, and turbines|Priority:4|Publisher:American Society of Mechanical Engineers|
Recent Submissions
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Effect of Blade Damage on Low Pressure Ratio Fan Windmill Aerodynamics
(The American Society of Mechanical Engineers (ASME), 2025)Fan windmill occurs when power to a turbofan is cut during flight and the airflow through the engine causes the fan to freewheel, often following fan damage. The fan rotational speed and drag during windmill determine the ... -
Heat Transfer and Flow Field Characteristics of Variable Aspect Ratio, Serpentine Passages
(The American Society of Mechanical Engineers (ASME), 2025)This study investigates the effect of acceleration and deceleration in the turn region of a two-pass, serpentine channel. Channel aspect ratios of 2:1 and 4:1 are considered in three combinations to investigate the effect ... -
A New Nonlinear Time-Domain Flutter Analysis Approach for Distorted Flows
(The American Society of Mechanical Engineers (ASME), 2024)This paper aims to establish an efficient and accurate computational fluid dynamic (CFD) method for calculating the flutter stability of fan blades in the presence of inlet distortion due to crosswind. Due to the asymmetry ... -
Integration of Cooling Holes Into a Turbine Vane Made Using Additive Manufacturing
(The American Society of Mechanical Engineers (ASME), 2024)Additive manufacturing (AM) has emerged as a method to prototype novel designs for turbine airfoil cooling with complex internal and film cooling geometries. Creating engine scale features with AM comes with challenges ... -
A Data-Driven Method for the Derivation of Explicit Algebraic Reynolds Stress Models Applied to the Wake Losses of Low-Pressure Turbine Cascades
(The American Society of Mechanical Engineers (ASME), 2024)This paper introduces and validates a data-driven approach to improve the prediction of linear eddy viscosity models (LEVMs). The general approach is adopted in order to improve the wake mixing of low-pressure turbine (LPT) ... -
Loss Breakdown in Axial Turbines: A New Method for Vortex Loss and Wake Detection From 3D RANS Simulations
(The American Society of Mechanical Engineers (ASME), 2024)To enhance turbine efficiency, it is essential to mitigate the loss generated by irreversible phenomena taking place in turbine flows, including boundary layers, shock waves, vortices, and trailing edge wakes. A fast and ... -
On the Application of Background Oriented Schlieren to a Transonic Low-Reynolds Turbine Cascade
(The American Society of Mechanical Engineers (ASME), 2024)Qualitative and quantitative visualizations of transonic turbomachinery flows provide essential information on compressibility and Mach number effects on boundary layer development, shock-boundary layer interactions, and ... -
Effects of Radially Variable Sweep Vanes on Rotor–Stator Interaction Noise
(The American Society of Mechanical Engineers (ASME), 2024)This article presents a three-dimensional semianalytic cascade model for the prediction of rotor–stator interaction noise, which includes the effects of radially variable sweep angle and chord length to better account for ... -
A Digital Engineering Analysis of an Additively-Manufactured Turbine Vane
(The American Society of Mechanical Engineers (ASME), 2024)Additive manufacturing (AM) has transformed the ability to accelerate gas turbine component research and development at a fraction of the cost and time associated with conventional manufacturing. However, whereas prior ... -
Fan Non-Synchronous Forced Vibration Under Crosswind
(The American Society of Mechanical Engineers (ASME), 2024)In this paper, a new aeroelastic phenomena for fans, referred to as non-synchronous forced vibration (NSFV), is presented. This type of aeroelastic instability can occur at high crosswind conditions when the flow at the ... -
Numerical Characterization of an High Pressure Compressor Stage Equipped With a Closed Shrouded Stator Cavity
(The American Society of Mechanical Engineers (ASME), 2025)In axial compressors, shrouded stator cavity flows are responsible for performance degradation due to their interaction with the power stream. The present paper aims at exploring the possibility of employing a single-stage ... -
Unsteady Loss Mechanisms in Low-Pressure Turbines With Diverging End-Walls Studied Via High-Fidelity Simulation
(The American Society of Mechanical Engineers (ASME), 2024)High-fidelity simulations are used to conduct controlled numerical experiments to investigate the effect of periodically incoming wakes on profile and three-dimensional loss mechanisms. The present work considers the ... -
Analysis of High-Order Source Terms in Throughflow Solutions
(The American Society of Mechanical Engineers (ASME), 2024)Classical throughflow methodologies, due to their oversimplified assumptions regarding dimensionality reduction, result in a significant reliance on empirical inputs. This paper introduces a rigorous dimensionality reduction ... -
Insights Into Turbocharger Centrifugal Compressor Stability Using High-Fidelity Computational Fluid Dynamics and a Novel Impeller Diffusion Factor
(The American Society of Mechanical Engineers (ASME), 2024)Turbocharger technologies are widely applied in the modern automotive industry to meet increasingly stringent carbon emission standards. To support the continuous enhancement of these tactics, delivering improvement to the ... -
Advanced Design of a Transition Duct for Supersonic Inlet Turbines in Rotating Detonation Engines
(The American Society of Mechanical Engineers (ASME), 2024)A supersonic inlet turbine can extract substantial energy from the highly fluctuating and transonic flow delivered by a rotating detonation combustor (RDC). However, a transition duct is necessary to achieve the supersonic ... -
Impact of Blowing and Density Ratio on the Film Cooling and Heat Transfer in an Aggressive Turbine Center Frame
(The American Society of Mechanical Engineers (ASME), 2024)It was shown in the previous study that the aft purge flows from the last stage of the high-pressure turbine (HPT) have a significant film cooling potential in the downstream turbine center frame (TCF) (Jagerhofer et al., ... -
Scaling Heat Transfer and Pressure Losses of Novel Additively Manufactured Rib Designs
(The American Society of Mechanical Engineers (ASME), 2024)Rib turbulators are a key cooling feature that enables increased heat transfer on the interior of gas turbine components. As metal additive manufacturing becomes available for developing turbine parts, it is becoming ... -
Investigating the Unsteady Dynamics of a Multi-Jet Impingement Cooling Flow Using Large Eddy Simulation
(The American Society of Mechanical Engineers (ASME), 2024)We investigate the unsteady behavior of an in-line jet impingement array of nine jets at a Reynolds number of 10,000 in a narrow channel subjected to a developing cross flow of up to 25% of the bulk jet velocity. To this ... -
Data-Driven Radial Compressor Design Space Mapping
(The American Society of Mechanical Engineers (ASME), 2024)Estimates of turbomachinery performance trends inform system-level compromises during preliminary design. Existing empirical correlations for efficiency use limited experimental data, while analytical loss models require ... -
Using Pseudotime Marching for the Solution of Harmonic Balance Problems
(The American Society of Mechanical Engineers (ASME), 2025)The aim of this paper is to study approaches to implement implicit pseudotime marching for the harmonic balance system in the frequency domain. We first give a motivation for using pseudotime marching as a solution technique. ...