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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Control of Three-Dimensional Corner Separation Flow in a Highly Loaded Compressor Cascade via Dynamic Surface Deformation
(The American Society of Mechanical Engineers (ASME), 2025)When the Reynolds (Re) number decreases below the critical value, the intensified turbulent mixing in the corner region rapidly deteriorates the performance of compressors, including efficiency and stability. However, ... -
The Impact of Manufacturing Variations on the Aerothermal Performance of High-Pressure Turbine Blade Shrouds
(The American Society of Mechanical Engineers (ASME), 2025)High-pressure turbine blade (HPTB) shrouds suffer manufacturing variations in both platform alignment and inter-platform gap width. Compared to hub endwalls, the aerothermal effects of shroud platform steps and gaps has ... -
Multistage Turbomachinery Optimization for High-Temperature Heat Pumps With the Reverse Rankine Cycle
(The American Society of Mechanical Engineers (ASME), 2025)The electrification of process heat generation will be a key to achieving carbon neutrality in the coming decades. One of the most promising approaches is to replace conventional heat supply systems with high-temperature ... -
Application of Deep Learning for Fan Rotor Blade Performance Prediction in Turbomachinery
(The American Society of Mechanical Engineers (ASME), 2025)Turbomachinery fan optimization is a complex multidisciplinary process, which forces engineers to rely on strong theoretical assumptions and/or can be very computationally expensive. Additionally, with new constraints ... -
Unsteady Flow Development and Reynolds Stress Measurements in a Centrifugal Compressor Vaned Diffuser
(The American Society of Mechanical Engineers (ASME), 2025)Modern aeroengine designers face the challenge of reducing fuel consumption, which is pushing compressor technology into new design spaces. To optimize these design spaces, high-fidelity computational models are crucial ... -
Gradient-Free Aerodynamic Optimization With Structural Constraints and Surge Line Control for Radial Compressor Stage
(The American Society of Mechanical Engineers (ASME), 2025)The concept and design of high-temperature heat pumps (HTHP) including their components for specific temperature needs is a time-consuming and interdisciplinary task. Especially, the design of compressor geometries have a ... -
Entry Region Heat Transfer Augmentation With Pins, Fins, and Turbulators in Circular Channels
(The American Society of Mechanical Engineers (ASME), 2025)Entry region heat transfer is known to provide significantly higher heat transfer than fully developed conditions. Utilizing entry region heat transfer would provide an additional heat sink at the inlet of an aircraft ... -
Numerical Study on Unsteady Flow of a Supersonic Partial Admission Impulse Turbine
(The American Society of Mechanical Engineers (ASME), 2025)Partial admission is an essential method to ensure the effective operation of turbines in various operating conditions. The transition section of partial admission turbines is pivotal in governing the unsteadiness and ... -
Superposition of Overall Cooling Effectiveness on a Turbine Blade Leading Edge
(The American Society of Mechanical Engineers (ASME), 2025)Increasingly harsh turbine environments necessitate the design of more advanced cooling techniques as well as the prediction of those cooling schemes' performance at engine conditions. For several decades, film cooling ... -
Hybrid RANS-LES Simulation of Rotor–Stator Interaction in a Compressor Stage Using a Grid-Adaptive Simulation Method
(The American Society of Mechanical Engineers (ASME), 2024)Flows in compressors are extremely complex with various scales. Small-scale turbulence, middle-scale rotor–stator interaction (RSI), large-scale corner separation, and tip leakage flow should all be considered in the ... -
Direct and Refined Characterization of Rebound for Irregularly Shaped, High-Speed Particles Incident on Aerospace Grade Titanium
(The American Society of Mechanical Engineers (ASME), 2024)The observed stochasticity in rebounding trajectories for particle-surface interactions in turbomachinery is often attributed to irregularities in particle shape. However, at higher speeds, plastic deformation of the surface ... -
Optimization of Tip Seal Grooves for Aerodynamic and Durability Improvements of Small-Core Turbines
(The American Society of Mechanical Engineers (ASME), 2024)While the clearance gap between the turbine rotor tip and the outer case in a gas turbine engine is necessary for the operation of the machine, the gap is kept as small as possible due to the detrimental effect of the flow ... -
Introduction of Axisymmetric Grooves as a Tip Seal Treatment for Small-Core Turbines
(The American Society of Mechanical Engineers (ASME), 2024)The aerodynamic penalties associated with the tip gap flow in axial turbines remain a challenging problem for turbine manufacturers. As modern gas turbines with small-core architectures are brought online, the influence ... -
Effect of Blockages on Film Effectiveness on the Pressure Surface of a Turbine Blade
(The American Society of Mechanical Engineers (ASME), 2025)An experimental and numerical study was conducted on fan-shaped holes on the pressure surface of a high-pressure turbine blade. Blockages in these film holes can arise through dirt accumulation as well as erosion of the ... -
Model for Local Cavitation Instabilities in Two-Bladed Turbopump Inducers
(The American Society of Mechanical Engineers (ASME), 2024)Various local cavitation instabilities in turbopump inducers (e.g., alternate blade cavitation, supersynchronous rotating cavitation) have been previously experimentally identified. However, a model that is capable of ... -
Heat Transfer Enhancement in Pulsating Flows: A Bayesian Approach to Experimental Correlations
(The American Society of Mechanical Engineers (ASME), 2024)This research focuses on improving the modeling of heat transfer effects in pulsating exhaust flows. We address the challenges of understanding oscillating flow by employing the Metropolis–Hastings Markov Chain Monte Carlo ... -
Control of Shroud Leakage Loss and Windage Torque in a Low-Pressure Turbine Stage
(The American Society of Mechanical Engineers (ASME), 2024)As new aeroengine architectures move to larger diameter fans and rotors, the associated increase in weight will need to be counterbalanced by lighter, more compact, and more efficient low-pressure turbines (LPT). Efficiency ... -
Performance of Rough-Ribbed Low-Pressure Turbine Blades Under Varying Loading and Operating Conditions
(The American Society of Mechanical Engineers (ASME), 2024)Recent research has demonstrated the effectiveness of riblets (streamwise aligned grooves) in reducing the profile loss of low-pressure turbine (LPT) blades under high-lift (HL) loading. In this research, we pursue the ... -
Inverse Design of Compressor/Fan Blade Profiles Based on Conditional Invertible Neural Networks
(The American Society of Mechanical Engineers (ASME), 2025)Compressors/fans are crucial in modern aircraft engines, providing power, thrust, and combustion efficiency. Blade profile design is a crucial aspect of the overall process, often involving multiple constraints. Current ... -
Design Guidelines for Inertial Particle Separators
(The American Society of Mechanical Engineers (ASME), 2025)Inertial particle separators (IPS) are air-cleaning devices integrated with air intakes or engine inlets to remove potentially harmful particles through the action of centrifuging. Their geometry is defined by a mean gas ...