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RISExperimental Investigation on the Factors Affecting Proppant Flowback Performance
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Proppant flowback is a significant issue in the field of fractured well production. In order to investigate the influencing relationships among the parameters affecting proppant flowback, the weight of proppant flowback ...
Covariation of Finite-Amplitude Wave Activity and the Zonal-Mean Flow in the Midlatitude Troposphere. Part II: Eddy Forcing Spectra and the Periodic Behavior in the Southern Hemisphere Summer
Publisher: American Meteorological Society
Abstract: reviously, in Part I of this study, the authors used latitude-by-latitude budgets of the vertically integrated finite-amplitude wave activity (FAWA) to describe the covariation of the zonal-mean state and eddy amplitude. ...
The Role of Eddy Diffusivity on a Poleward Jet Shift
Publisher: American Meteorological Society
Abstract: he authors use a quasigeostrophic (QG) two-layer model to examine how eddies modify the meridional asymmetry of a zonal jet. The initial asymmetry is introduced in the model?s ?radiative equilibrium state? and is intended ...
Type Curves Analysis for Asymmetrically Fractured Wells
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, a new constant rate solution for asymmetrically fractured wells was proposed to analyze the effect of fracture asymmetry on type curves. Calculative results showed that for a small wellbore storage coefficient ...
On the Thickness Ratio in the Quasigeostrophic Two-Layer Model of Baroclinic Instability
Publisher: American Meteorological Society
Abstract: t is shown that the classical quasigeostrophic two-layer model of baroclinic instability possesses an optimal ratio of layer thicknesses that maximizes the growth rate, given the basic-state shear (thermal wind), beta, and ...
Unmanned Floating Object Transportation Applying Multiple Dynamic Positioning Tugboats: A Novel Cooperative Control Algorithm
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: To promote the automation and intelligence of marine floating object transportation, this paper proposes a cooperative consensus control algorithm for multiple unmanned dynamic positioning (DP) tugboats to transport an ...
Interplay between Boreal Summer Intraseasonal Oscillation and Southern Hemisphere Stratospheric Polar Vortex Warming
Publisher: American Meteorological Society
Localization and Automatic Quantification of Crack Damage in Steel Structures Using Ultrasonic Guided Wave Technology
Publisher: American Society of Civil Engineers
Abstract: AbstractUltrasonic guided wave (UGW) technology is an effective method for intelligent monitoring
of crack damage in thin-walled plate structures. In this paper, a finite-element (FE)
model of UGW propagation in Q345 steel ...
A New Robustness Measure for Design Optimization of Earthen Levees in the Face of Flooding Hazards
Publisher: American Society of Civil Engineers
Abstract: AbstractFlood is one of the most costly natural disasters in the United States, causing significant
economic losses annually. These high-loss flood events are becoming increasingly frequent,
threatening the safety of ...
A Recent Shift in the Monsoon Centers Associated with the Tropospheric Biennial Oscillation
Publisher: American Meteorological Society
Abstract: AbstractThe tropospheric biennial oscillation (TBO) is conventionally considered to involve transitions between the Indian and Australian summer monsoons and the interactions between these two monsoons and the underlying ...