Journal of Engineering for Gas Turbines and Power: Recent submissions
Now showing items 1181-1200 of 9564
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Operational Scenarios of a Gas Turbine Using Exhaust Gas Recirculation for Carbon Capture
(The American Society of Mechanical Engineers (ASME), 2021)Finding viable economic solutions to significantly reduce or eliminate greenhouse gas emissions from energy and transportation products in the near future is paramount for the long-term survival of fossil fuel-burning ... -
Study on Design Method of Combustion Reference Values for Model-Based Control of Advanced Diesel Engine
(The American Society of Mechanical Engineers (ASME), 2021)Model-based control systems are drawing attention in relation to implementing advanced combustion technologies with high thermal efficiency and low emissions, such as homogeneous charge compression ignition and premixed ... -
Thermal Profiling of Automotive Turbochargers in Durability Tests
(The American Society of Mechanical Engineers (ASME), 2021)A major portion of the development of an automotive powertrain system is devoted to robustness and durability testing to ascertain the viability of the design. For turbochargers, thermo-mechanical fatigue is often considered ... -
Noise Reduction Analysis of Electronic Device Cooling Fan With Duct and Its Application Under Variable Working Conditions
(The American Society of Mechanical Engineers (ASME), 2021)A noise reduction method for axial flow fans using a short inlet duct is proposed. The pattern of noise reduction imposed by the short inlet duct on the axial flow cooling fan under variable working conditions was ... -
Accurate Inlet Boundary Conditions to Capture Combustion Chamber and Turbine Coupling With Large-Eddy Simulation
(The American Society of Mechanical Engineers (ASME), 2021)The coupling between different components of a turbomachinery is becoming more widely studied especially by use of computational fluid dynamics. Such simulations are of particular interest especially at the interface between ... -
Life-Limiting Aspects of an Melt-Infiltrated Silicon Carbide Fiber-Reinforced Silicon Carbide Matrix Ceramic Matrix Composite in Interlaminar Shear at Elevated Temperature
(The American Society of Mechanical Engineers (ASME), 2021)Life-limiting behavior of a melt-infiltrated (MI) silicon carbide fiber-reinforced silicon carbide matrix (SiC/SiC) ceramic matrix composite (CMC) was determined under interlaminar shear at 1316 °C in air using double-notch-shear ... -
Delay Identification in Thermoacoustics
(The American Society of Mechanical Engineers (ASME), 2021)The stability of thermoacoustic systems is often regulated by the time delay between acoustic perturbations and corresponding heat release fluctuations. An accurate estimate of this value is of great importance in applications ... -
Comparison of Model Order Reduction Methods in Thermo-Acoustic Stability Analysis
(The American Society of Mechanical Engineers (ASME), 2021)Model order reduction (MOR) can play a pivotal role in reducing the cost of repeated computations of large thermo-acoustic models required for comprehensive stability analysis and optimization. In this proof-of-concept ... -
Express Wire Coil Cladding as an Advanced Technology to Accelerate Additive Manufacturing and Coating
(The American Society of Mechanical Engineers (ASME), 2021)Metal shafts are indispensable components in mobility, energy, and mechanical engineering. In such applications, the shafts need to withstand severe mechanical loads, friction, high temperature, or corrosive media. This ... -
Reaction Model Development of Selected Aromatics as Relevant Molecules of a Kerosene Surrogate—The Importance of m-Xylene Within the Combustion of 1,3,5-Trimethylbenzene
(The American Society of Mechanical Engineers (ASME), 2021)The development of advanced reaction models to predict pollutant emissions in aero-engine combustors usually relies on surrogate formulations of a specific jet fuel for mimicking its chemical composition. 1,3,5-trimethylbenzene ... -
Binary Repetitive Model Predictive Active Flow Control Applied to an Annular Compressor Stator Cascade With Periodic Disturbances
(The American Society of Mechanical Engineers (ASME), 2021)Novel pressure gain combustion concepts invoke periodic flow disturbances in a gas turbine's last compressor stator row. This contribution presents studies of mitigation efforts on the effects of these periodic disturbances ... -
Rotordynamic Characteristics of the Straight-Through Labyrinth Seal Based on the Applicability Analysis of Leakage Models Using Bulk-Flow Method
(The American Society of Mechanical Engineers (ASME), 2021)Labyrinth seals are widely applied in the turbomachinery to control the leakage flow through the clearance between stationary and rotating components. The fluid excitation induced by the labyrinth seal would deteriorate ... -
Details of Shrouded Stator Hub Cavity Flow in a Multistage Axial Compressor Part 2: Leakage Flow Characteristics in Stator Wells
(The American Society of Mechanical Engineers (ASME), 2021)The flow in shrouded stator cavities can be quite complex with axial, radial, and circumferential variations. As the leakage flow recirculates and is re-injected into the main flow path upstream of the stator, it deteriorates ... -
A Novel Test Rig Using Air for Investigation of Vibration and Interaction of Two Steam Turbine Control Valves
(The American Society of Mechanical Engineers (ASME), 2021)The governing of steam turbines is often realized by a set of two or more valves, which control the amount of steam entering the turbine. During part-load operation forces caused by pressure fluctuations and turbulence are ... -
Effect of Shock Wave Behavior on Unsteady Aerodynamic Characteristics of Oscillating Transonic Compressor Cascade
(The American Society of Mechanical Engineers (ASME), 2021)The unsteady behavior of the shock wave was studied in an oscillating transonic compressor cascade. The experimental measurement and corresponding numerical simulation were conducted on the cascade with different shock ... -
An Unconventional Method for the Diagnosis and Study of Generator Rotor Thermal Bows
(The American Society of Mechanical Engineers (ASME), 2021)The rotor thermal sensitivity often affects the dynamic behavior of power unit generators. Owing to this phenomenon, increments of field current and other process parameters that are related to it may cause a shaft thermal ... -
Knowledge-Based Adaptation of Product and Process Design in Blisk Manufacturing
(The American Society of Mechanical Engineers (ASME), 2021)Early and efficient harmonization between product design and manufacturing represents one of the most challenging tasks in engineering. Concepts such as simultaneous engineering aim for a product creation process, which ... -
A Stochastic Model for Nanoparticle Deposits Growth
(The American Society of Mechanical Engineers (ASME), 2021)Natural events and human activities are responsible for the generation and transport of large amounts of microsized particles, which could contaminate several engineering devices like solar panels, wind turbines, and ... -
Modal Decomposition and Linear Modeling of Swirl Fluctuations in the Mixing Section of a Model Combustor Based on Particle Image Velocimetry Data
(The American Society of Mechanical Engineers (ASME), 2021)In order to determine the flame transfer function of a combustion system, different mechanisms have been identified that need to be modeled. This study focuses on the generation and propagation of one of these mechanisms, ... -
Modeling of Turbulent Premixed CH4/H2/Air Flames Including the Influence of Stretch and Heat Losses
(The American Society of Mechanical Engineers (ASME), 2021)This paper presents a Reynolds averaged Navier Stokes turbulent combustion model for CH4/H2/air mixtures which includes the effect of heat losses and flame stretch. This approach extends a previous model concept designed ...