Journal of Engineering for Gas Turbines and Power
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EISSN:1528-8919|ISSN:0742-4795|Disc:The Journal of Engineering for Gas Turbines and Power publishes archival-quality papers in the areas of gas and steam turbine technology, nuclear engineering, internal combustion engines, and fossil power generation. It covers a broad spectrum of practical topics of interest to industry|Priority:12|Publisher:American Society of Mechanical Engineers|
Recent Submissions
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Inlet Preswirl Effects on the Leakage and Dynamic Characteristics of a Labyrinth Seal: Experimental Results and Computational Fluid Dynamics Analysis
(The American Society of Mechanical Engineers (ASME), 2025)Fluid-induced forces generated by annular gas seals have aroused considerable attention owing to their substantial impact on the rotordynamic stability of turbomachinery. Positive preswirl at the seal entrance has been ... -
Dynamic Characteristics of Ion Concentration Distribution for Combustion Instability With Different Injection Schemes
(The American Society of Mechanical Engineers (ASME), 2025)The performance of aerospace vehicles directly depends on the operation of large combustion propulsion devices. Combustion instability has long been an inevitable and challenging problem in the development of large combustion ... -
Method for Predicting the Damping Ratio of Ring Dampers in Radial Standing Waves
(The American Society of Mechanical Engineers (ASME), 2025)Blisks are utilized by most modern aircraft turbine engines to reduce the weight of rotors and eliminate air leakage between platforms. Ring dampers are widely used to reduce the vibration of blisks and avoid high-cycle ... -
Generative Deep Learning on Images of Thermo-Mechanical Simulation Results
(The American Society of Mechanical Engineers (ASME), 2025)This paper presents a novel methodology that combines engineering simulation and machine learning for the thermo-mechanical design of a secondary air system double-sided seal in an aero engine turbine subassembly. Secondary ... -
Measurement of Flame Describing Function of Jet Multinozzle Array Combustor and Prediction of Its Thermoacoustic Oscillation Frequency
(The American Society of Mechanical Engineers (ASME), 2025)To investigate the thermoacoustic instability characteristics of a jet multinozzle array combustor, this study experimentally measured the flame describing function (FDF) of the model combustor using methane fuel experiments, ... -
Blade Designs for Improved Multi-Phase Performance in sCO2 Compressors: Optical Diagnostics in sCO2 and Experimental Evaluation With Particle Image Velocimetry
(The American Society of Mechanical Engineers (ASME), 2025)This paper presents the second part of a study in which the leading edge and suction surface of a compressor blade was modified to delay onset of phase change for sCO2 compressors operating near the critical point. Using ... -
Design and Dynamic Analysis of Different Balancing Mechanisms for Development of a Small Direct-Injection Spark-Ignition Optical Engine
(The American Society of Mechanical Engineers (ASME), 2025)Improving the performance of small engines, which have widespread use in two- and three-wheeled vehicles in several countries, is vital. Recently, direct-injection spark-ignition (DISI) technology, used on moderate- to ... -
Multiscale-Kolmogorov–Arnold Network Surrogate Modeling Approach for Dynamic Stiffness Prediction of a Heavy-Duty Gas Turbine
(The American Society of Mechanical Engineers (ASME), 2025)The flexibility of the casing plays an important role in the dynamic response of the gas turbine rotor. The effect of the support parameters on the dynamic stiffness of the supporting components must be considered. While ... -
On the Mechanism of Rotating Stall in a Boundary Layer Ingesting Fan
(The American Society of Mechanical Engineers (ASME), 2025)Next-generation boundary layer ingesting (BLI) aircraft can achieve significant reductions in fuel burns compared to conventional aircraft. One of the challenges for BLI aircraft is the need for the fan to continuously ... -
Investigating the Combustion Performance of Dual Fuel Combustion With Diesel and Port Injected Hydrogen in A Large Bore Locomotive Engine
(The American Society of Mechanical Engineers (ASME), 2025)The heavy-duty transportation sector has primarily relied on conventional diesel combustion engines given their reliability and high thermal efficiency relative to spark ignition engines, but increased focus on reducing ... -
Critical Appraisal of Integrated Computational Fluid Dynamics/Surface Roughness Models for Additive Manufactured Swirl Burners
(The American Society of Mechanical Engineers (ASME), 2025)Additive manufacturing (AM) technology can create complex parts that are otherwise impractical to manufacture by traditional methods. However, the process often results in rough and irregular surfaces that can affect ... -
Identification and Dynamics of Coherent Structures in Double-Stage Swirling Flows Utilizing the Unsteady Reynolds Averaged Navier–Stokes and Large Eddy Simulation Methods
(The American Society of Mechanical Engineers (ASME), 2025)To study the coherent structure within a combustion chamber equipped with a double-stage swirler, unsteady Reynolds averaged Navier–Stokes (URANS) of realizable k–ε and renormalization group (RNG) k–ε, along with large ... -
Polynomial Chaos Expansion-Based Uncertainty Model for Fast Assessment of Gas Turbine Aero-Engines Thrust Regulation: A Sparse Regression Approach
(The American Society of Mechanical Engineers (ASME), 2024)Manufacturing tolerance uncertainties in gas turbine aero-engines are unavoidable, which adversely influence the thrust control performance of newly produced aero-engines. However, classic sample-based uncertainty ... -
Thermal History Coatings: Influence of Atmospheric Plasma Spray Parameters on Performance
(The American Society of Mechanical Engineers (ASME), 2024)Thermal history coatings (THCs) provide a novel method for measuring temperature profiles in the 900–1600 °C range. Given the steadily increasing firing temperatures in turbomachinery, it is crucial to understand temperature ... -
Fault Detection on Short-Haul or Highly Dynamic Flights Using Transient Flight Segments
(The American Society of Mechanical Engineers (ASME), 2024)A machine learning-based approach is presented, which allows to detect persistent engine faults after a single flight. It utilizes transient in-flight measurements and a transient engine model. The time series of the ... -
Vibration Characteristics of Aero-Engine With Co-Cavity Structure
(The American Society of Mechanical Engineers (ASME), 2025)The co-cavity structure replaces the rear bearing cavity and bearing frame of the power turbine shafting. This modification not only reduces the weight of the entire system but also diminishes the axial size of the engine ... -
Experimental Characterization of Superheated Ammonia Spray From a Single-Hole Spray M Injector
(The American Society of Mechanical Engineers (ASME), 2025)The growing recognition of ammonia as a carbon-free alternative fuel for both transportation and power generation is underscored by numerous studies. While the use of gaseous ammonia injection has been extensively considered, ... -
Design and Testing of a Compact, Reverse Brayton Cycle, Air (R729) Cooling Machine
(The American Society of Mechanical Engineers (ASME), 2024)Efforts to reduce the contribution of refrigeration to global warming have resulted in a phase-down of the use of fluorinated refrigerants. The alternative, natural refrigerants, such as propane (R290), have significantly ... -
Improved Engine Data Acquisition System and Interface to Enable Experimentation With Emerging Alternative Fuels in a Spark-Ignited Cooperative Fuel Research Engine
(The American Society of Mechanical Engineers (ASME), 2025)In the face of new engine research challenges, legacy hardware and once state-of-the-art assumptions may become less relevant, especially those made due to the computational limitations of the hardware at the time of initial ... -
Integrated System Modal and Mistuning Identification for Integrally Bladed Rotors
(The American Society of Mechanical Engineers (ASME), 2024)The safety of integrally bladed rotors is often assessed through bench-level vibration tests to measure amplification factors and back-out sector frequency deviations via mistuning identification (ID) algorithms. This ...