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RISFirst-Crossing Problem of Weakly Coupled Strongly Nonlinear Oscillators Subject to a Weak Harmonic Excitation and Gaussian White Noises
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: We study first-crossing problem of two-degrees-of-freedom (2DOF) strongly nonlinear mechanical oscillators analytically. The excitation is the combination of a deterministic harmonic function and Gaussian white noises ...
Impact of UAS Global Hawk Dropsonde Data on Tropical and Extratropical Cyclone Forecasts in 2016
Publisher: American Meteorological Society
Abstract: AbstractA preliminary investigation into the impact of dropsonde observations from the Global Hawk (GH) on tropical and extratropical forecasts is performed using the National Centers for Environmental Prediction (NCEP) ...
An Improved Quality Control for AIRS Total Column Ozone Observations within and around Hurricanes
Publisher: American Meteorological Society
Abstract: tmospheric Infrared Sounder (AIRS) provides twice-daily global observations from which total column ozone data can be retrieved. However, 20% ~ 30% of AIRS ozone data are flagged to be of bad quality. Most of the flagged ...
Simulation Analysis of Casing Vibration Response and Its Verification Under Blade–Casing Rubbing Fault
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new rotor–stator rubbing model considering the blade–casing rubbing fault is put forward in this paper. The model couples the rotor together with its suspension (ball or roller bearings), the disk, the (multiple) ...
A Study of Shellside Condensation of a Hydrocarbon in the Presence of Noncondensable Gas on Twisted Elliptical Tubes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Experimental data were collected for one smooth round tube bundle and three twisted elliptical tube bundles using a kerosene mixture as a condensing vapor and air as a noncondensable gas. Experimental results showed that ...
Asynchronous Vibration Response Characteristics of Aero Engine With Support Looseness Fault
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, the mechanism of the asynchronous vibration response phenomenon caused by the looseness fault in the aeroengine whole vibration system is investigated by numerical integration methods. A single degreeoffreedom ...
Experiments with Cloud Properties: Impact on Surface Radiative Fluxes
Publisher: American Meteorological Society
Abstract: Solar radiation reaching the earth?s surface provides the primary forcing of the climate system, and thus, information on this parameter is needed at a global scale. Several satellite-based estimates of surface radiative ...
A Framework for Dynamical Seasonal Prediction of Precipitation over the Pacific Islands
Publisher: American Meteorological Society
Abstract: three-step approach to develop a framework for dynamical seasonal prediction of precipitation over the U.S. Affiliated Pacific Islands (USAPI) is adopted. First, guided by the climatological features of basic variables, a ...
Wind Measurements from Arc Scans with Doppler Wind Lidar
Publisher: American Meteorological Society
Abstract: efining optimal scanning geometries for scanning lidars for wind energy applications remains an active field of research. This paper evaluates uncertainties associated with arc scan geometries and presents recommendations ...
Transient Responses in a Piezoelectric Spherically Isotropic Hollow Sphere for Symmetric Problems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: By virtue of the separation of variables technique, the spherically symmetric electroelastic dynamic problem of a spherically isotropic hollow sphere is transformed to an integral equation about a function with respect to ...