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RISA Model Study of the Seasonal Circulation in the Gulf of Maine
Publisher: American Meteorological Society
Abstract: The Princeton Ocean Model is used to study the circulation in the Gulf of Maine and its seasonal transition in response to wind, surface heat flux, river discharge, and the M2 tide. The model has an orthogonal-curvature ...
Design of Experiments to Investigate Geometric Effects on Fluid Leakage Rate in a Balance Drum Seal
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Grove configuration has a direct influence on the performance of the labyrinth seal. In this study, the geometry of the groove cavities in a water balance drum labyrinth seal was varied to investigate the effects on fluid ...
The Nantucket Shoals Flux Experiment (NSFE79). Part II: The Structure and Variability of Across-Shelf Pressure Gradients
Publisher: American Meteorological Society
Abstract: The Nantucket Shoals Flux Experiment (NSFE) was a collaborative effort to measure the alongshelf transport of mass, heat, salt and nutrients from March 1979 through April 1980 with a dense army consisting of moored current, ...
Midlatitude Cyclone Compositing to Constrain Climate Model Behavior Using Satellite Observations
Publisher: American Meteorological Society
Abstract: Identical composite analysis of midlatitude cyclones over oceanic regions has been carried out on both output from the NCAR Community Atmosphere Model, version 3 (CAM3) and multisensor satellite data. By focusing on mean ...
Hybrid Analysis of Gas Annular Seals With Energy Equation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Annular seals are used in turbomachinery to reduce secondary flow between regions of high and low pressure. In a vibrating rotor system, the nonaxisymmetric pressure field developed in the small clearance between the rotor ...
Design of Experiments to Investigate Geometric Effects on Fluid Leakage Rate in a Balance Drum Seal
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Annular labyrinth seals are designed as tortuous paths that force a working fluid to expand and contract repeatedly through small clearances between high and low pressure stages of turbomachinery. The resulting expansion ...
A Numerical Investigation of the Effect of Inlet Preswirl Ratio on Rotordynamic Characteristics of Labyrinth Seal
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Full three-dimensional (3D) computational fluid dynamics (CFD) simulations are carried out using ANSYS cfx to obtain the detailed flow field and to estimate the rotordynamic coefficients of a labyrinth seal for various ...
Guiding and Trapping Cracks With Compliant Inclusions for Enhancing Toughness of Brittle Composite Materials
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The problem of toughening heterogeneous materials with a stiff matrix and compliant inclusions is investigated through numerical simulations and experiments. Specifically, the problem of optimizing a combination of effective ...
Evaluation of a CCSM3 Simulation with a Finite Volume Dynamical Core for the Atmosphere at 1° Latitude × 1.25° Longitude Resolution
Publisher: American Meteorological Society
Abstract: A simulation of the present-day climate by the Community Climate System Model version 3 (CCSM3) that uses a Finite Volume (FV) numerical method for solving the equations governing the atmospheric dynamics is presented. The ...
AMIP Simulation with the CAM4 Spectral Element Dynamical Core
Publisher: American Meteorological Society
Abstract: he authors evaluate the climate produced by the Community Climate System Model, version 4, running with the new spectral element atmospheric dynamical core option. The spectral element method is configured to use a ...