A research on wind erosion simulation test on railway embankment in surface layer
β Scribed by Zhang Boyin; Niu Zhennan; Zhu Qiankang; Wang Houxiong
- Book ID
- 103585969
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 128 KB
- Volume
- 44
- Category
- Article
- ISSN
- 0167-6105
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π SIMILAR VOLUMES
It is shown that the ratio of standard deviation of lateral velocity to the friction velocity, o;/u,, and therefore wind direction fluctuations, are sensitive to mesoscale terrain properties. Under neutral conditions, a,/~, is almost 40% larger in rolling terrain than over a horizontal surface. In
## Abstract Results of our recent investigation of spectral measurements of wind velocity in the surface layer are analysed in light of the hypothesis proposed by Kaimal __et al.__ (1972). It is confirmed that in the inertial subrange the spectra for all the three components and varying stability c