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RISSome Aspects of Aeroacoustics: From Rayleigh Until Today
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An overview of aeroacoustics is provided, beginning with a discussion of the properties of point sources of sound of various orders. This is followed by treatment of the sound generated by a ...
Why Do Vortices Generate Sound?
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Emphasizing physical pictures with a minimum of analysis, an introductory account is presented as to how vortices generate sound. Based on the observation that a vortex ring induces the same ...
Updraft Buoyancy within and Moistening by Cumulonimbi prior to MJO Convective Onset in a Regional Model
Publisher: American Meteorological Society
Abstract: rocesses responsible for widespread development of moderately deep cumulonimbi during a transition period before onset of two large-scale convective events associated with the Madden?Julian oscillation in late 2011 are ...
Modification of Shannon Entropy to Quantify Mixing in UV Reactors
Publisher: American Society of Civil Engineers
Abstract: Mixing or mixedness in ultraviolet (UV) wastewater reactors has been identified by many as a key factor in reactor performance. However, the current methods for determining mixing are either qualitative, and cannot be ...
Standard Methodology for Transient Simulations of UV Disinfection Reactors
Publisher: American Society of Civil Engineers
Abstract: Using ultraviolet (UV) light to disinfect water has recently become more commonplace, and using computational fluid dynamics (CFD) is increasingly being used to model, optimize, and test UV disinfection reactors. The vast ...
A Note on Yield Curves in Cyclic Work Softening
Publisher: The American Society of Mechanical Engineers (ASME)
Wind Measurement and Archival under the Automated Surface Observing System (ASOS): User Concerns and Opportunity for Improvement
Publisher: American Meteorological Society
Abstract: The National Weather Service, as a part of its modernization effort, is implementing the Automated Surface Observing System (ASOS). Much discussion has occurred about various aspects of ASOS versus the current system of ...
Wind Forecasting for Yacht Racing at the 1991 Pan American Games
Publisher: American Meteorological Society
Abstract: The U.S. Sailing Team competed successfully at the 1991 Pan American Games despite having no previous experience with the sailing conditions off Havana, Cuba. One of the key factors in the team's success was meteorological ...