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RISDiscussion: “Poiseuille Flow With Variable Fluid Properties” (Kettleborough, C. F., 1967, ASME J. Basic Eng., 89, pp. 666–674)
Publisher: The American Society of Mechanical Engineers (ASME)
Relevance of Hydrophobic and Oleophobic Properties of Antigraffiti Systems on Their Cleaning Efficiency on Concrete and Stone Surfaces
Publisher: American Society of Civil Engineers
Abstract: The problem of graffiti is not entirely restricted to urban areas, but also appears frequently in rural communities and along traffic infrastructure. Besides its aesthetic and societal effects, graffiti cause considerable ...
Landfill Gas Application Development of the Caterpillar G3600 Spark-Ignited Gas Engine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A G3600 engine was developed to operate on landfill gas to demonstrate engine performance and identify any operational problems caused by this application. Fuel system and engine performance ...
Model Representation of Local Air Quality Characteristics
Publisher: American Meteorological Society
Abstract: Daily (24 h) and hourly air quality data at several sites are used to examine the performance of the fifth-generation Pennsylvania State University?NCAR Mesoscale Model (MM5)?Community Multiscale Air Quality Model (CMAQ) ...
Ambient Sulfate Trends and the Influence of Meteorology
Publisher: American Meteorological Society
Abstract: Data on atmospheric levels of sulfur dioxide (SO2) and sulfate were examined to quantify changes since 1989. Changes in sulfur species were adjusted to account for meteorological variability. Adjustments were made using ...
Characterization of Ambient Ozone Levels in the Great Smoky Mountains National Park
Publisher: American Meteorological Society
Abstract: Ambient ozone data collected at two sites in the Great Smoky Mountains National Park (GSMNP) are summarized and compared with data from an urban and a low-elevation rural site. The ozone climatology in the park is found ...
Statistics of High Radar Reflectivity Gradients
Publisher: American Meteorological Society
Abstract: An analysis to determine the frequency of occurrence of gradients in reflectivity has been performed. Gradients as large as 50 dB km?1 occur with a frequency of over 1% of the pairs of adjacent nonzero reflectivities at ...
A Sea State–Dependent Spume Generation Function
Publisher: American Meteorological Society
Abstract: The uncertainty of the sea spray generation function continues to obscure spray-mediated momentum and scalar fluxes, especially for intense wind conditions. Most previous studies assume a constant form (spectral shape) for ...
Validation of Streamflow Measurements Made with Acoustic Doppler Current Profilers
Publisher: American Society of Civil Engineers
Abstract: The U.S. Geological Survey and other international agencies have collaborated to conduct laboratory and field validations of acoustic Doppler current profiler (ADCP) measurements of streamflow. Laboratory validations made ...
Impact of Sea Spray on Air–Sea Fluxes. Part I: Results from Stochastic Simulations of Sea Spray Drops over the Ocean
Publisher: American Meteorological Society
Abstract: he contributions of sea spray drops to the total air?sea exchanges of momentum, heat, and mass remain an open question. A number of factors obscure any simple quantification of their contribution; the per drop contribution ...