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中国沙漠  2012 

栅栏防护体系空气动力学效应研究进展

Keywords: 防护栅栏,动力学效应,疏透度

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Abstract:

栅栏防护体系的空气动力学效应研究是揭示其防护机理的重要基础,也是风沙工程学和风沙物理学应用研究的主要组成部分。根据已有的研究成果,全面综述了近半个多世纪以来有关栅栏防护体系空气动力学机制方面的研究进展,对各个时期的主要成果作以介绍,并对几种代表性防护栅栏最佳疏透度的确定方法及范围分别加以对比分析。分析认为,对栅栏空气动力学效应已取得了相对较深的认识,并且积累了大量的研究经验,对于认识栅栏防护机理具有重要的指导和启发作用。但影响栅栏防护效益的因素是复杂的,众多研究都运用了过多的简化与假设,而且研究者们对于栅栏防护效应的理解不同以及所强调的保护侧重点不同导致评判的标准也各不相同,最终得到的最佳疏透度也有所差异,不能直接运用于实践中。鉴于此,在将来的研究中运用现代测量技术获取可靠的数据资料仍然很重要。

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