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RISGas Turbine Performance and Health Status Estimation Using Adaptive Gas Path Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In gas turbine operations, engine performance and health status are very important information for engine operators. Such engine performance is normally represented by engine airflow rate, compressor ...
Thermal Actuation Using Nanocomposites: A Computational Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, we propose the use of Si/Ge nanocomposite materials to improve the performance of microthermal actuators. Nanocomposites with a high electrical to thermal conductivity ratio can ...
Monitoring Drilling Wear States by a Fuzzy Pattern Recognition Technique
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper introduces a new approach for on-line monitoring of drill wear states by using a fuzzy C-means algorithm. Experimental and simulation results have shown that drill wear conditions ...
A Kriging Metamodel Assisted Multi-Objective Genetic Algorithm for Design Optimization
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The high computational cost of population based optimization methods, such as multi-objective genetic algorithms (MOGAs), has been preventing applications of these methods to realistic engineering ...
Steady and Dynamic Performance and Emissions of a Variable Geometry Combustor in a Gas Turbine Engine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: One of the remedies to reduce the major emissions production of nitric oxide (NOx), carbon monoxide (CO), and unburned hydrocarbon (UHC) from conventional gas turbine engine combustors at both ...
Nonlinear Dynamic Analysis and Experiment Verification of Rotor-Ball Bearings-Support-Stator Coupling System for Aeroengine With Rubbing Coupling Faults
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, a new rotor-ball bearings-support-stator coupling system dynamic model with rubbing coupling faults is established for practical aeroengine. In the model, the rubbing fault is ...
Seismic Design of a Long-Span Cable-Stayed Bridge with Fluid Viscous Dampers
Publisher: American Society of Civil Engineers
Abstract: As a passive energy dissipation device, the fluid viscous damper (FVD) is effective for mitigating wind or seismic load-induced vibrations. In this paper, the effects of FVDs for a cable-stayed bridge under randomly generated ...
Modeling of Flow Rate, Pore Size, and Porosity for the Dispensing-Based Tissue Scaffolds Fabrication
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Dispensing technique is one of the promising solid freeform (SFF) methods to fabricate scaffolds with controllable pore sizes and porosities. In this paper, a model to represent the dispensing-based ...
A Validated Three-Dimensional Computational Model of a Human Knee Joint
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a three-dimensional finite element tibio-femoral joint model of a human knee that was validated using experimental data. The geometry of the joint model was obtained from ...
Geometrical Stress-Reducing Factors in the Anisotropic Porcine Heart Valves
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study carries out a detailed parameter study based on a nonlinear anisotropic finite-element model published previously. The aim of this study is to identify the stress-reducing influences ...