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RISCloud-to-Ground Lightning in a Tornadic Storm on 8 May 1986
Publisher: American Meteorological Society
Abstract: On 8 May 1986, the National Severe Storms Laboratory (NSSL) collected Doppler radar and lightning ground strike data on a supercell storm that produced three tornadoes, including an F3 tornado in Edmond, Oklahoma, approximately ...
Comparison of Prestress Losses for Pedestrian Bridges Constructed with High-Strength Concrete and High-Strength Self-Consolidating Concrete
Publisher: American Society of Civil Engineers
Abstract: Two precast prestressed high-strength concrete and high-strength self-consolidating concrete pedestrian bridges were designed and erected in Rolla, Missouri, for an in situ investigative study to monitor time-dependent ...
Impact, Fire, and Fluid Spread Code Coupling for Complex Transportation Accident Environment Simulation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Transportation accidents frequently involve liquids dispersing in the atmosphere. An example is that of aircraft impacts, which often result in spreading fuel and a subsequent fire. Predicting ...
An Analytic Longwave Radiation Formula for Liquid Layer Clouds
Publisher: American Meteorological Society
Abstract: Many Global Energy and Water Cycle Experiment (GEWEX) Cloud System Study (GCSS) intercomparisons of boundary layer clouds have used a convenient but idealized longwave radiation formula for clouds in their large-eddy ...
Validation of a Multiscale Hysteresis Mechanics Model in Predicting Oily Shoe-Floor Friction Across Surfaces With Varying Finishes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Shoe-floor friction, quantified by the coefficient of friction (COF), is an important predictor of the risk of slip-and-fall accidents. There is a commonly used model of friction by B. Persson that describes viscoelastic ...
Analysis of Shoe Friction During Sliding Against Floor Material: Role of Fluid Contaminant
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Understanding the tribological interactions between shoe and floor materials is important in order to enhance shoe and floor design and to prevent slip and fall accidents during walking. In the ...
Mass Optimization of a Supercritical CO2 Brayton Cycle Power Conversion System for a Mars Surface Fission Power Reactor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the National Aeronautics and Space Administration (NASA) Design Reference Architecture 5.0 (DRA 5.0), fission surface power systems (FSPS) are described as “enabling for the human exploration of Mars.” This study ...
The Definition of GOES Infrared Lightning Initiation Interest Fields
Publisher: American Meteorological Society
Abstract: Within cumulus cloud fields that develop in conditionally unstable air masses, only a fraction of the cumuli may eventually develop into deep convection. Identifying which of these convective clouds is most likely to ...
Power Management and Distribution System for a Mars Surface Fission Power Reactor
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a power management and distribution system (PMAD) for a growing Martian colony. The colony is designed for a 15-year operation lifetime, and will accommodate a population that grows from 6 to 126 ...
Understanding Water Utility Attitudes toward Water Transfers and Risk: Pretest Results
Publisher: American Society of Civil Engineers
Abstract: Water transfers between utilities can be a cost-effective substitute for supply infrastructure expansions when seeking to reduce vulnerability to drought. Water utility employees may choose not to use water transfers, ...