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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Turbine Cavity Mainstream Ingestion Assessing Method Based on Penetration Depth Analysis
(The American Society of Mechanical Engineers (ASME), 2024)The turbine cavity faces challenges from external mainstream ingestion, mitigated by sealing flow from the compressor side. Despite these efforts, achieving complete sealing remains difficult. This study focuses on introducing ... -
A Free Streamline Model for Fully Separated Turbomachine Flows
(The American Society of Mechanical Engineers (ASME), 2024)This paper describes the use of the free streamline approach to determine flows in fully separated cascades, and to thereby provide a rational basis for estimating the performance of axial turbomachinery at severely ... -
Effect of the Key Geometry and Flow Parameters on Discharge Coefficient of Laidback Fan-Shaped Hole Under Coolant Crossflow Condition
(The American Society of Mechanical Engineers (ASME), 2024)A laidback fan-shaped hole is commonly used due to its superior lateral film coverage. Its discharge coefficient is significantly influenced by internal crossflow owing to its complex geometrical structure. In this paper, ... -
Impact of High-Pressure-Turbine Purge Flow on the Evolution of Turbulence in a Turbine Vane Frame
(The American Society of Mechanical Engineers (ASME), 2024)This paper describes the measurement and postprocessing of turbulence data. The experiments were carried out in a two-stage, two-spool transonic turbine test rig at the Institute for Thermal Turbomachinery and Machine ... -
Experiments on Tuned UHBR Open-Test-Case Fan ECL5/CATANA: Performance and Aerodynamics
(The American Society of Mechanical Engineers (ASME), 2024)With the advancement of modern fan architectures, the lack of experimental benchmarks for the research community became apparent in the recent years. Enormous effort in the method development could not be validated on ... -
Analyzing Unsteady Turbomachinery Flow Simulations With Mixing Entropy
(The American Society of Mechanical Engineers (ASME), 2024)The prediction of unsteady aerodynamic loads is a central problem during the design of turbomachinery. Over the last 20 years, harmonic balance methods have been shown to be highly efficient for this task. A CPU-cost optimal ... -
Measurements of Turbulence in Compressible Low-Density Flows at the Inlet of a Transonic Linear Cascade With and Without Unsteady Wakes
(The American Society of Mechanical Engineers (ASME), 2024)In the present work, hot-wire anemometry was employed for the characterization of the turbulent field at the inlet of a high-speed low-pressure turbine cascade, in terms of turbulence intensity and integral length scales. ... -
Numerical Investigation of the Interaction of a Circumferential Groove Casing Treatment and Near-Tip Modifications for a Highly Loaded Low-Speed Rotor Under the Influence of Double Leakage
(The American Society of Mechanical Engineers (ASME), 2024)Eckel et al. (2023, “Numerical Investigation of Near-Tip Modifications for a Highly Loaded Low-Speed Rotor Under the Influence of Double Leakage,” ASME J. Turbomach., 145(4), p. 041003) proposed using a convex-profiled ... -
Design and Cooling Performance of Additively Manufactured Ceramic Turbine Vanes
(The American Society of Mechanical Engineers (ASME), 2024)Ceramic materials are of significant interest in aviation and power generation gas turbine engines due to their low density and ability to withstand high temperatures. Increased cycle thermal efficiency and higher specific ... -
Windage Torque Reduction in Low-Pressure Turbine Cavities Part I: Concept Design and Numerical Investigations
(The American Society of Mechanical Engineers (ASME), 2024)The windage torque on rotational walls has a negative effect on the performance of the low-pressure turbine. In this paper, three novel flow control concepts (FCCs) were proposed to reduce the windage torque within a turbine ... -
Extension and Validation of the Turbomachinery Capabilities of SU2 Open Source Computational Fluid Dynamic Code
(The American Society of Mechanical Engineers (ASME), 2024)Computational Fluid Dynamic (CFD) tools have revolutionized the way to design engineering systems, but most established codes are proprietary and closed-source, making it difficult, if not impossible, to modify, debug, or ... -
Computationally Efficient Workflow for Conjugate Heat Transfer With Large Eddy Simulation for Gas Turbine Combustors
(The American Society of Mechanical Engineers (ASME), 2024)Typical gas turbine combustor (GTC) and high-pressure turbine stage generally employs 10,000 to 100,000 small passages of cooling holes. Such an arrangement protects the solid walls through impingement and effusion cooling. ... -
Unsteady Investigation of Intermediate Turbine Ducts Under the Influence of Purge Flows
(The American Society of Mechanical Engineers (ASME), 2024)The aerodynamic flow field at the outlet of a high-pressure turbine (HPT) stage in a modern turbofan engine is highly unsteady and strongly influenced by periodic fluctuations from the HPT rotor, also interacting with the ... -
Experimental Investigation of Additional Loss Associated With Incoming Wakes in Low-Pressure Turbine Cascades
(The American Society of Mechanical Engineers (ASME), 2024)The present paper aims to experimentally investigate the influence of wake-passing frequency, Reynolds number, and suction surface diffusion rate on the additional loss due to incoming wakes to the profile loss in the ... -
Effects of Downstream Vortex Generators on Film Cooling a Flat Plate Fed by Crossflow
(The American Society of Mechanical Engineers (ASME), 2024)Counter-rotating vortices, formed by the interaction of film-cooling jets and the hot gas flow, adversely affect the performance of conventional film-cooling designs. Downstream vortex generators have been shown to improve ... -
Improvements in the Prediction of Steady and Unsteady Transition and Mixing in Low-Pressure Turbines by Means of Machine-Learnt Closures
(The American Society of Mechanical Engineers (ASME), 2024)In this article, novel machine-learnt transition and turbulence models are applied to the prediction of boundary-layer transition and wake mixing in a low-pressure turbine (LPT) cascade, including unsteady inflow cases ... -
An Improved Passage-Flow Turning Model for Forward-Curved Blades of Squirrel-Cage Fan
(The American Society of Mechanical Engineers (ASME), 2024)An improved passage-flow turning model (IPTM) was developed in this study to design high-performance forward-curved blades for squirrel-cage fans. The flow separation in blade passages and the corresponding fan performance ... -
TPIV Experimental Investigation of Film Coolant-to-Mainstream Interaction From Shaped Cooling Holes With Various Inlet Geometries
(The American Society of Mechanical Engineers (ASME), 2024)In this investigation, multiple sets of time-averaged tomographic particle imaging velocimetry measurements are completed for laid-back, fan-shaped film cooling holes with “racetrack” shaped inlets. Traditional 10-10-10, ... -
Effects of Water-to-Air Mass Ratio on Long-Term Washing Efficiency and Erosion Risk in an Axial Compressor Under Online Washing Conditions
(The American Society of Mechanical Engineers (ASME), 2024)One of the main reasons for gas turbines’ performance losses is the deposition of dirt on the compressor blades. Dirt deposit has to be periodically removed to keep the engine performance as high as possible. This is the ... -
Evaluation of Cooling Requirements for Rotating Detonation Combustors
(The American Society of Mechanical Engineers (ASME), 2024)In the last decade, the rotating detonation combustor (RDC) has received growing attention among the different pressure gain combustion concepts due to the simplicity of the design and the potential ease of integration in ...