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RISStatistics for Assessing Mixing in a Finite Element Hydrocode
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Direct numerical simulation of mixing processes (RayleighTaylor and RichtmyerMeshkov instabilities) is computationally expensive due to the need to resolve turbulent structures on small scales. Hence, it is common practice ...
Effects of Filtered Containment Venting on Fission Product Releases During CANDU Reactor Severe Accidents
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Severe accidents are of increasing concern in the nuclear industry worldwide since the accidents at Fukushima Daiichi (March 2011). These events have significant consequences that must be mitigated to ensure public and ...
Heat Transfer Analysis in a Rotating Cavity With Axial Through-Flow
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents local Nusselt numbers computed from experimental measurements of surface temperature of compressor disks in a multiple rotating cavity test rig with axial throughflow. A validated two-dimensional (2D) ...
Overview of URBAN 2000: A Multiscale Field Study of Dispersion through an Urban Environment
Publisher: American Meteorological Society
Abstract: A major urban tracer and meteorological field campaign (URBAN 2000) was conducted in Salt Lake City, Utah, during October 2000. Sponsored by the U.S. Department of Energy's (DOE's) Chemical and Biological National Security ...
One-Way Coupling of the WRF–QUIC Urban Dispersion Modeling System
Publisher: American Meteorological Society
Abstract: imulations of local weather and air quality in urban areas must account for processes spanning from meso- to microscales, including turbulence and transport within the urban canopy layer. Here, the authors investigate the ...
Properties of the Wind Field within the Oklahoma City Park Avenue Street Canyon. Part I: Mean Flow and Turbulence Statistics
Publisher: American Meteorological Society
Abstract: Velocity data were obtained from sonic anemometer measurements within an east?west-running street canyon located in the urban core of Oklahoma City, Oklahoma, during the Joint Urban 2003 field campaign. These data were ...
Properties of the Wind Field within the Oklahoma City Park Avenue Street Canyon. Part II: Spectra, Cospectra, and Quadrant Analyses
Publisher: American Meteorological Society
Abstract: Velocity data were obtained within Park Avenue in Oklahoma City, Oklahoma, using three-dimensional sonic anemometers under unstable atmospheric conditions. These data are used to produce velocity spectra, cospectra, and ...
Flow and Turbulence in an Urban Canyon
Publisher: American Meteorological Society
Abstract: A better understanding of the interaction between the built environment and the atmosphere is required to more effectively manage urban airsheds. This paper reports an analysis of data from an atmospheric measurement ...
Zonal Jets as Transport Barriers in Planetary Atmospheres
Publisher: American Meteorological Society
Abstract: The connection between transport barriers and potential vorticity (PV) barriers in PV-conserving flows is investigated with a focus on zonal jets in planetary atmospheres. A perturbed PV staircase model is used to illustrate ...
On the Lagrangian Dynamics of Atmospheric Zonal Jets and the Permeability of the Stratospheric Polar Vortex
Publisher: American Meteorological Society
Abstract: The Lagrangian dynamics of zonal jets in the atmosphere are considered, with particular attention paid to explaining why, under commonly encountered conditions, zonal jets serve as barriers to meridional transport. The ...