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RISA Severe Frontal Rainband. Part IV: Precipitation Mechanisms, Diabatic Processes and Rainband Maintenance
Publisher: American Meteorological Society
Abstract: A three-dimensional kinematic cloud model has been used to study the precipitation processes within an intense, narrow cold-frontal rainband (NCFR). A triple-Doppler radar analysis has provided the necessary kinematic flow ...
A Diagnostic Modeling Study of the Stratiform Region Associated with a Tropical Squall Line
Publisher: American Meteorological Society
Abstract: Wind and thermodynamic data analyzed in the startiform region of a tropical squall line have been combined with a kinematic, three-dimensional cloud model to study the precipitation processes in this region. The flux of ...
Film Cooling Superposition Theory for Multiple Rows of Cooling Holes With Multiple Coolant Temperatures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The classical method of superposition has been used for several decades to provide an estimate of the adiabatic effectiveness for multiple sets of already well-characterized film cooling hole rows. In this way, design work ...
A Computational Technique to Evaluate the Relative Influence of Internal and External Cooling on Overall Effectiveness
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Gas turbine components are protected via a coolant that travels through internal passageways before being ejected as external film cooling. Modern computational approaches facilitate the simulation of the conjugate heat ...
The Effects of Specific Heat and Viscosity on Film Cooling Behavior
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: For many years, there has been interest in evaluating the effect of density differences between the coolant and the freestream in terms of the cooling effectiveness. Numerous experiments have been conducted with different ...
Acceptance Testing of Concrete: Various Plans
Publisher: American Society of Civil Engineers
Abstract: A method of evaluating various acceptance test plans for concrete is presented. This method uses operating characteristic curves and a definition of what is good concrete and what is an acceptable level of consumer's risk. ...
Morphology, Intensity, and Rainfall Production of MJO Convection: Observations from DYNAMO Shipborne Radar and TRMM
Publisher: American Meteorological Society
Abstract: his study uses Dynamics of the Madden?Julian Oscillation (DYNAMO) shipborne [Research Vessel (R/V) Roger Revelle] radar and Tropical Rainfall Measuring Mission (TRMM) Precipitation Radar (PR) datasets to investigate ...
Using CASA IP1 to Diagnose Kinematic and Microphysical Interactions in a Convective Storm
Publisher: American Meteorological Society
Abstract: Data from the Collaborative Adaptive Sensing of the Atmosphere (CASA) Integrated Project I (IP1) network of polarimetric X-band radars are used to observe a convective storm. A fuzzy logic hydrometeor identification algorithm ...
A Theory-Based Hydrometeor Identification Algorithm for X-Band Polarimetric Radars
Publisher: American Meteorological Society
Abstract: Although much work has been done at S band to automatically identify hydrometeors by using polarimetric radar, several challenges are presented when adapting such algorithms to X band. At X band, attenuation and non-Rayleigh ...
The Mesoscale and Microscale Structure and Organization of Clouds and Precipitation in Midlatitude Cyclones. VIII: A Model for the “Seeder-Feeder” Process in Warm-Frontal Rainbands
Publisher: American Meteorological Society
Abstract: Previous field studies have indicated that warm-frontal rainbands form when ice particles from a ?seeder? cloud grow as they fall through a lower-level ?feeder? cloud. In this paper we present results from a parameterized ...