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RISLinking a Lagrangian Particle Dispersion Model with Three-Dimensional Eulerian Wind Field Models
Publisher: American Meteorological Society
Abstract: A slightly simplified form of Thomson?s Lagrangian stochastic model (LSM) is presented for dispersion applications in three-dimensional (3D) flow fields. It is found that the Lagrangian velocity of a particle in 3D ...
The Rise of Moist, Buoyant Plumes
Publisher: American Meteorological Society
Abstract: The governing equations for a moist, buoyant plume in a cross wind are presented. A comparison of the energy equations for saturated and unsaturated plumes, the subject of some previous controversy, shows that the form of ...
North Atlantic Storm Track Variability and Its Association to the North Atlantic Oscillation and Climate Variability of Northern Europe
Publisher: American Meteorological Society
Abstract: The primary mode of North Atlantic storm track variability is identified using rotated principal component analysis (RPCA) on monthly fields of root-mean-squares of daily high-pass filtered (2?8-day periods) sea level ...
Heat Conduction in Nanostructured Materials Predicted by Phonon Bulk Mean Free Path Distribution
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: We develop a computational framework, based on the Boltzmann transport equation (BTE), with the ability to compute thermal transport in nanostructured materials of any geometry using, as the only input, the bulk cumulative ...
Combined Controller for Test System of High Capacity Hydraulic Pump
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A combined controller (CT-PBC) by contact task control (CTC) with passivity based controller (PBC) is introduced to control test system of high capacity hydraulic pump (HCHP) to measure its ...
In-Flight Isolation of Degraded Engine Components by Shape Comparison of Transient Outputs
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A direct method of aircraft engine health monitoring is introduced that can isolate a degraded engine component in-flight. The method utilizes continuous wavelet transformations of transient engine ...
Teaching Sustainability Topics to Attract and Inspire the Next Generation of Civil Engineers
Publisher: American Society of Civil Engineers
Abstract: Recent natural events such as earthquakes in Japan and storm surge effects in New York have led to the growing interest in sustainable civil engineering. While sustainability topics, such as soil liquefaction and green ...
Slag-Cement-Bentonite Slurry Walls
Publisher: American Society of Civil Engineers
Abstract: In both the United States and the United Kingdom, slurry walls are used as vertical barriers to control groundwater flow and to contain contaminants as part of waste containment systems. In the United States, slurry walls ...
Geographic Information Systems in Weather, Climate, and Impacts
Publisher: American Meteorological Society
Abstract: The National Center for Atmospheric Research (NCAR) held its first workshop on the Geographic Information System (GIS) in atmospheric sciences, ?GIS in Weather, Climate and Impacts.? The meeting was a forum for researchers, ...
Automated Detection of Polarimetric Tornadic Debris Signatures Using a Hydrometeor Classification Algorithm
Publisher: American Meteorological Society
Abstract: lthough radial velocity data from Doppler radars can partially resolve some tornadoes, particularly large tornadoes near the radar, most tornadoes are not explicitly resolved by radar owing to inadequate spatiotemporal ...