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RISAxial Loss Development in Low Pressure Turbine Cascades
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The objective of this work presented in this paper is to study the performance of lowpressure turbines in detail by extensive numerical simulations. The numerical flow simulations were conducted using the general purpose ...
Loss Coefficients for Periodically Unsteady Flows in Conduit Components: Illustrated for Laminar Flow in a Circular Duct and a 90 Degree Bend
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Losses in a flow through conduit components of a pipe system can be accounted for by head loss coefficients K. They can either be determined experimentally or from numerical solutions of the flow field. The physical ...
Losses Due to Conduit Components: An Optimization Strategy and Its Application
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the present study, we introduce a method which we call the glass box optimization (GBO) method as a strategy how to reduce flow losses whenever numerical data based on computational fluid dynamics (CFD)results are ...
Internal Flow Losses: A Fresh Look at Old Concepts
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Losses in a flow field due to single conduit components often are characterized by experimentally determined head loss coefficients K. These coefficients are defined and determined with the ...
Limited Versus Unlimited Strain Accumulation Due to Ratcheting Mechanisms
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: After distinguishing material ratcheting and structural ratcheting, different phenomena related to structural ratcheting are gathered. Ratcheting of elastic–plastic structures observed with stationary position of loads is ...
Limited Versus Unlimited Strain Accumulation Due to Ratcheting Mechanisms
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: After distinguishing material ratcheting and structural ratcheting, different phenomena related to structural ratcheting are gathered. Ratcheting of elastic–plastic structures observed with stationary position of loads is ...
Event-Based Modeling of Driver Yielding Behavior at Unsignalized Crosswalks
Publisher: American Society of Civil Engineers
Abstract: This research explores factors associated with driver yielding behavior at unsignalized pedestrian crossings and develops predictive models for yielding by using logistic regression. It considers the effect of variables ...
Integrative Sensitivity Analysis Applied to Semi-Integral Concrete Bridges
Publisher: American Society of Civil Engineers
Abstract: In numerical simulations of engineering structures, several physical phenomena are represented by partial models, and the selection of the important partial models is usually based on engineering judgment. The quantitative ...
Lane Choice Model for Signalized Intersections with an Auxiliary Through Lane
Publisher: American Society of Civil Engineers
Abstract: An auxiliary through lane (ATL) is a commonly used congestion relief measure at signalized intersections in which fiscal and right-of-way constraints do not allow for full widening between intersections. Previously developed ...
Correlation Between Pressure Recovery of Highly Loaded Annular Diffusers and Integral Stage Design Parameters1
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Exhaust diffusers significantly enhance the available power output and efficiency of gas and steam turbines by allowing lower turbine exit pressures. The residual dynamic pressure of the turbine outflow is converted into ...