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RISNumerical Study of Transient and Steady Induced Symmetric Flows in Rectangular Cavities
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Symmetric flows induced in rectangular cavities by a pair of moving walls are studied numerically. Solutions are obtained by solving the coupled transient vorticity transport and stream function ...
The Influence of Land Surface Properties on Sahel Climate. Part 1: Desertification
Publisher: American Meteorological Society
Abstract: This is a general circulation model sensitivity study of the physical mechanisms of the effects of desertification on the Sahel drought. The model vegetation types were changed in the prescribed desertification area, which ...
The Role of Air–Sea Coupling in Seasonal Prediction of Asia–Pacific Summer Monsoon Rainfall
Publisher: American Meteorological Society
Abstract: his study examines the role of the air?sea coupled process in the seasonal predictability of Asia?Pacific summer monsoon rainfall by comparing seasonal predictions from two carefully designed model experiments: tier 1 ...
Model Simulation of the Influence of Global SST Anomalies on Sahel Rainfall
Publisher: American Meteorological Society
Abstract: A general circulation model sensitivity study was carried out to investigate the influence of global sea surface temperature (SST) on Sahel rainfall. This study was inspired by the impressive model simulations of Sahel ...
The Influence of Land Surface Properties on Sahel Climate. Part II. Afforestation
Publisher: American Meteorological Society
Abstract: A numerical experiment was performed to explore the nature of and mechanisms for the effect of large-scale afforestation in the sub-Saharan area on the climate. This sensitivity study, which consists of several short-term ...
Experimental Study on the Effect of Injection Timing on a Dual Fuel Diesel Engine Operated With Biogas Derived From Food Waste
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The present work emphasizes the effects of injection timing on the characteristics of a 5.2-kW powered four-stroke diesel engine using biogas and its heat loss analysis. The biogas is obtained from food waste consisting ...
Stiff-String Basis Functions for Vibration Analysis of High Speed Rotating Beams
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new rotating beam finite element is developed in which the basis functions are obtained by the exact solution of the governing static homogenous differential equation of a stiff string, which ...
Artificial Skill due to Predictor Screening
Publisher: American Meteorological Society
Abstract: This paper shows that if predictors are selected preferentially because of their strong correlation with a prediction variable, then standard methods for validating prediction models derived from these predictors will be ...
Model Fidelity versus Skill in Seasonal Forecasting
Publisher: American Meteorological Society
Abstract: The relation between skill and fidelity of seasonal mean hindcasts of surface temperature by seven coupled atmosphere?ocean models is investigated. By definition, fidelity measures the agreement between model and observational ...
On the Dynamics of Droughts in Northeast Brazil: Observations, Theory and Numerical Experiments with a General Circulation Model
Publisher: American Meteorological Society
Abstract: It is proposed that a possible mechanism for the occurrence of severe droughts over northeast Brazil is the establishment of a thermally direct local circulation which has its ascending branch at about 10°N and its descending ...