منابع مشابه
Boussinesq modeling of longshore currents
[1] A time domain Boussinesq model for nearshore hydrodynamics is improved to obtain the conservation of vertical vorticity correct to second order and extended for use on an open coast using longshore periodic boundary conditions. The model is utilized to simulate surface waves and longshore currents under laboratory and field conditions. Satisfactory agreement is found between numerical resul...
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Recent study has shown that 3D computations of the morphological development of a coast shows irregularities compared with the 2DH (depth-averaged) computations. Therefore a validation of the surf zone currents computed using the 2DH (depth-averaged) and 3D approach in Delft3D is made. The 2DH and 3D approach are compared using an idealized case and validated using data from the laboratory expe...
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A new mechanism for the generation of ionic currents around tip growing cells is presented. Because of the absorption of a nutrient by the cell tip, its concentration decreases along the cell sides. As a nutrient molecule enters the cell with a well defined number of protons via a channel called a symport, the influx of protons decreases when one moves away from the tip. Then the balance betwee...
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Ž . Plume clouds resulting from wildland fires pyrocumulus sometimes produce lightning discharges to ground. These discharges were found to carry positive charge to ground exclusively in several cases. Emission of space charge was observed from woody materials burned in the presence of an external electric field. Measurements done in a large wind tunnel for this study confirm and extend measure...
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The potential of wind power as a global source of electricity is assessed by using winds derived through assimilation of data from a variety of meteorological sources. The analysis indicates that a network of land-based 2.5-megawatt (MW) turbines restricted to nonforested, ice-free, nonurban areas operating at as little as 20% of their rated capacity could supply >40 times current worldwide con...
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ژورنال
عنوان ژورنال: Coastal Engineering Proceedings
سال: 1978
ISSN: 2156-1028,0589-087X
DOI: 10.9753/icce.v16.84