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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Experimental Investigation of Mach Number Effect on Overall Cooling Effectiveness for a Transonic Vane
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. To keep metal temperature at allowable levels in modern gas turbine engines, both internal and external (film) cooling is necessary, which is represented by an overall cooling effectiveness. Previous studies ... -
Aerodynamic Interaction Between Main Annulus Flow and Injected Secondary Air in Transonic High-Pressure Turbine Stage
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. This study explored the effects of secondary air blowing on the main annulus flow field and the performance of a transonic high-pressure turbine (HPT) experimentally and numerically. The test section featured a ... -
The Impact of Multiscale Ceramic Matrix Composite Roughness on Heat Transfer and Boundary Layer Behavior
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Ceramic matrix composites (CMCs) can enable more efficient gas turbines relative to traditional nickel alloys, resulting from enabling higher turbine entry temperatures that, in turn, benefit cycle performance. ... -
Electrostatic Effects on Airborne Particle Deposition in Gas Turbine Engines
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The effects of electrostatics on the deposition of 0–5 µm Arizona Road Dust within a gas turbine hot section were studied. These experiments focused on different cooling methods found in turbine components: ... -
Highly Aggressive Intercompressor Duct With Active Flow Control: Numerical Validation of Pulsed Jet Actuators With Unsteady Simulations
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The application of active flow control (AFC) methods in an intercompressor duct (ICD) offers the possibility of further length reduction while suppressing separations. In particular, pulsed jet actuators (PJAs) ... -
Numerical Investigation of Passive and Active Flow Control Methods in a Low-Speed Multistage, Highly Loaded Axial Compressor With Tandem Stator Configuration
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. This study numerically investigates passive and active flow control methods in a 2.5-stage, low-speed, highly loaded axial compressor with tandem stators. Two configurations are analyzed using unsteady Reynolds-averaged ... -
Development of a Novel Pressure-Based Approach for Blade Synchronous Vibration Detection Including Mistuning
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The monitoring of blade forced vibration is crucial for compressor operational safety and integrity. Conventional techniques, such as strain gauge and blade tip timing, are often expensive and susceptible to ... -
Design Optimization of Shock Control Bumps for Efficiency and Stability Enhancement of Transonic Axial Compressor
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. In the interior of supersonic/transonic axial compressor, implementing shock control bumps (SCBs) on the blade suction surface holds great promise for delaying shock waves and shrinking boundary-layer separation ... -
Numerical Study of Ice Accretion on Fan Blades: Implications for the Design of Blade Geometries
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Ice formation on aircraft components due to the impact of supercooled droplets poses a severe safety risk. In particular, the formation of ice on the fan blades can lead to vibrations that affect the entire engine. ... -
Equation-Oriented and Black-Box Design Optimization of Axial Turbines Using Gradient-Based and Gradient-Free Algorithms
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Meanline modeling provides an effective tool for preliminary turbomachinery design, yet its integration with black-box optimization frameworks is often hindered by high computational costs and potential convergence ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
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) ... -
Investigation of Shear Layer Induced Pressure Fluctuations in a Linear Compressor Cascade
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. In axial compressor stages, so-called rotating instabilities can be detected at aerodynamically highly loaded operating conditions. Multiple explanations have been proposed on the origin of these pressure ... -
Improved Eigenspace Perturbation Framework for RANS Structural Uncertainty Quantification in Transonic Compressor Flows
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Computational fluid dynamics (CFD) simulations based on the Reynolds-averaged Navier–Stokes (RANS) equations are essential for aerodynamic analysis and compressor design. However, structural uncertainties arising ...