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RISMultivariate Extreme Wind Loads: Copula-Based Analysis
Publisher: American Society of Civil Engineers
Abstract: A probabilistic approach is developed to estimate multivariate extreme wind loads by introducing copula theory. Three major concerns are addressed: (1) the characterization of pairwise dependence among extreme load ...
Damage-Mitigating Control of a Reusable Rocket Engine: Part II—Formulation of an Optimal Policy
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This sequence of papers in two parts investigates the feasibility of damage-mitigating control of a reusable rocket engine similar to the Space Shuttle Main Engine (SSME) where the objective ...
Damage-Mitigating Control of a Reusable Rocket Engine: Part I—Life Prediction of the Main Thrust Chamber Wall
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The goal of damage-mitigating control in reusable rocket engines is to achieve high performance without overstraining the mechanical structures; and the major benefit is an increase in structural ...
Explicitly Modeling the Effects of Cloud Condensation Nuclei on Warm Rain Initiation
Publisher: American Meteorological Society
Abstract: A bin (or spectral) model is developed to investigate the sensitivity of warm rain initiation to cloud condensation nuclei (CCN). It explicitly represents CCN with a formula whose parameters come from the Twomey relationship ...
An Analytical Solution for Raindrop Evaporation and Its Application to Radar Rainfall Measurements
Publisher: American Meteorological Society
Abstract: An analytical solution for the evaporation of a single raindrop is derived in this paper. Based on this solution, a parameter D* is defined as the diameter of the raindrop that just evaporates completely after falling ...
Nonlinear Wind Analysis of Single-Doppler Radar Observations within a DVAD Framework
Publisher: American Meteorological Society
Abstract: he application of the distance velocity azimuth display (DVAD) method to the retrieval of vertical wind profiles from single-Doppler radar observations is presented in this study. It was shown that Doppler velocity ...
Rotor Balancing Via an Enhanced Automatic Dynamic Balancer With Inductively Coupled Shunt Circuit
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Despite the elegant nature of the automatic balancing principle for passive imbalance vibration control, the co-existence of undesired whirling limit-cycles is a major impediment to the more widespread application of ...
A Squall-Line-Like Principal Rainband in Typhoon Hagupit (2008) Observed by Airborne Doppler Radar
Publisher: American Meteorological Society
Abstract: his study examines the structure and dynamics of Typhoon Hagupit?s (2008) principal rainband using airborne radar and dropsonde observations. The convection in Hagupit?s principal rainband was organized into a well-defined ...
Subrainband Structure and Dynamic Characteristics in the Principal Rainband of Typhoon Hagupit (2008)
Publisher: American Meteorological Society
Abstract: AbstractThe principal rainband in tropical cyclones is currently depicted as a solitary and continuous precipitation region. However, the airborne radar observations of the principal rainband in Typhoon Hagupit (2008) ...
Statistical Modeling of Pore Structures in Fresh Cement Paste Based on Dispersion Theory of Random Two-Phase Media
Publisher: ASCE
Abstract: Pore structures are critical for most properties of cementitious materials. To describe the initial pore structure of fresh cement paste, which is the foundation of the evolution of a pore network induced by hydration of ...