saltation相关论文
Saltation is the predominant bed-load transport mechanism in rivers and streams.The main processes involved in saltation......
This paper numerically investigates the particle saltation in a turbulent channel flow having a rough bed consisting of ......
灰尘生产的地实验很少在在世界,和如此的一个实验上作为主要灰尘来源之一被识别验证生产模型(DPM ) 没在中国被做直到现在的灰尘的 ......
As to the fact that the effects of saltating particles’ mid-air collision on the sand transport rate are often neglecte......
Several factors that affect the trajectories of sand particles in a wind-blown sand flux are analyzed by considering the......
Combating wind erosion through soil stabilization under simulated wind flow condition -Case of Kuwai
The soil survey of Kuwait has revealed the landscapes dominated by loose sandy material, that are vulnerable to wind ero......
The purpose of this study was to investigate the interacting mechanism between the saltating particles near a channel be......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Saltation of sediment particles is an important pattern of bedload transport.Based on force analysis for sediment partic......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
High-speed train running in the sand environment is different from the general environment.In the former situation,there......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
本文针对标准遗传算法的不足,借助最优保留策略对遗传算法中的变异算子进行改进,把生物学的基因突变的概念引入遗传算法中,提高了......
床面泥沙暴露度是影响床面泥沙起动和输移的重要因素之一,目前在理论层面如何合理描述其影响尚未形成清晰的认识。本文在已有研究......
若从进化论的视角去看自然语言研究,就可以发现语言进化已经成为自然语言研究中的一个重要课题。突变论、适应论和资源再用理论等......
本文以平坦沙漠上定常、充分发展的风沙二相流为例分析了颗粒的跃移运动,在这种运动中颗粒吸收气流的机械能和水平动量向下输送,并在......
对风沙流中随机风场模型进行了描述,然后基于高斯概率分布,利用随机Fourier级数生成脉动风场,进而对混合粒径颗粒在湍流随机风场中的......
在研究荧光物质的荧光光谱时, 人们利用激发光谱探讨荧光发射过程中的能量传递与荧光物质分子结构之间的关系. 一般认为, 激发光谱......
水流中颗粒的跃移是推移质运动的主要形式。本文作者采用高速摄影技术,对颗粒的跃移运动进行了系统的测量,全面地分析了跃移颗粒的......
本文在对近底流区泥沙运动规律进行了深入的力学和统计分析的基础上,运用统计理论对底部浓度规律进行了理论分析,并和实测资料进行了......
从分析固体颗粒加速期间清水与固体颗粒的速度变化入手,研究了管内清水搬运固体颗粒的机理,提出了计算水平管道内沉 降性浆体速度分......
The study of bed-load transport is of great significance both in theory and in practice.Thispaper discusses the saltatio......
通过建立风吹动地表沙粒运动的模型并根据大气湍流边界层风速廓线规律,计算了火星上沙尘暴的起动风速和沙尘暴发生时空中悬浮沙尘粒......
根据以固体质量流速和固体装入量为参数的Zenz相图(即压降与表现气速的关系图)和洪江等人的模型,对粗聚氯乙烯和细PVC颗粒的水平气力输送进行......
本文从分析床面附近泥沙颗粒的运动特征出发,较细致地论述了沙粒在水流中从推移运动到扬起悬浮的物理过程,根据水槽试验的基本现象,讨......
这研究的目的是在一张隧道床附近调查在盐 ating 粒子之间的交往的机制。一种三维的即时流动可视化技术被开发到措施内部粒子碰撞......
Climate change and human activities have great implications for hydrological process and water projects planning. In ord......
Combating wind erosion through soil stabilization under simulated wind flow condition -Case of Kuwai
The soil survey of Kuwait has revealed the landscapes dominated by loose sandy material, that are vulnerable to wind ero......
Theoretical expressions for soil particle detachment rate due to saltation bombardment in wind erosi
Saltation bombardment is a dominate dust emission mechanism in wind erosion.For loose surfaces,splash entrainment has be......
Hydrodynamics in vertical tubular leaching reactor was studied in this work. Based on the observation of particle saltat......
The momentum profile of an aeolian saltation cloud is poorly understood. In this paper, height profiles for saltation mo......