原文传递
Wind speed and direction shears with associated vertical motion during strong surface winds
| 题名： | Wind speed and direction shears with associated vertical motion during strong surface winds |
| 作者： | Alexander, M. B.; Camp, D. W. |
| 关键词： | vertical；strong；motion；direct；surface；speed；distribution；ring；inds；ssoc |
| 摘要： | Strong surface winds recorded at the NASA 150-Meter Ground Winds Tower facility at Kennedy Space Center, Florida, are analyzed to present occurrences representative of wind shear and vertical motion known to be hazardous to the ascent and descent of conventional aircraft and the Space Shuttle. Graphical (percentage frequency distributions) and mathematical (maximum, mean, standard deviation) descriptions of wind speed and direction shears and associated updrafts and downdrafts are included as functions of six vertical layers and one horizontal distance for twenty 5-second intervals of parameters sampled simultaneously at the rate of ten per second during a period of high surface winds. |
| 报告类型： | 科技报告 |
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