| 1. | Design of overland flow velocity instrument based on fpga
的坡面流流速仪的设计 |
| 2. | Experimental study on delay of grass coverage on overland flow
草被覆盖阻延坡面流作用试验研究 |
| 3. | According to the observation data and outcomes of artificial rainfall , based on the overland flow formulas established slope farmland runoff model
摘要在野外模拟降雨的基础上，建立基于一维圣维南运动方程的黑土区坡耕地径流模型。 |
| 4. | During the rainfall experiment with a flow discharge , the influencing degree of rainfall splash intensity on the overland flow sediment contain had something to do with the runoff discharge above
在放水加降雨试验中，雨滴打击强度对坡面流泥沙含西安理工大学硕士学位论文量的影响与放水流量大小有关。 |
| 5. | This paper presents the principles of swmm model , which consists mainly of three parts , i . e . ground surface rainfall sub - system calculation , overland flow sub - system calculation and storm - sewer flow sub - system calculation
摘要介绍了swmm模型原理，包括地表产流子系统演算、地表汇流子系统演算和传输子系统流量演算。 |
| 6. | The results of flume experiment indicated that , the flow velocity and froude number of the overland flow would fall with the rainfall splash intensity rose ; the flow depth and resistance coefficient would enhance with the rainfall splash intensity increased
水槽试验结果表明：水槽槽面薄层水流流速及弗汝德数随雨滴打击强度的增加而降低，水深、阻力系数随雨滴打击强度的增加而增加。 |
| 7. | Under the less flow discharge , the rainfall splash intensity did n ' t almost have a remarkable effect on the overland flow sediment contain , under the greater flow discharge , the overland flow sediment contain would increase with the rainfall splash intensity rose
当放水流量较小时，雨滴打击强度对坡面流泥沙含量影响不明显;当放水流量较大时，坡面流泥沙含量随雨滴打击强度的增加而增加。 |
| 8. | By means of the study the main results are listed as follows : ( 1 ) the results of flume experiment and simulated rainfall experiment with a fixed intensity indicated that , the influencing degree of rainfall on overland flow velocity had something to do with the runoff discharge above and rainfall intensity
通过研究取得了如下结论： ( 1 )水槽放水试验和定雨强模拟降雨试验结果表明，降雨对坡面薄层水流流速的作用与放水流量和雨强大小有关。 |
| 9. | Based on swmm ( storm water management model ) , a typical urban region is selected to calculate the status under the design storms with different frequencies in the region , such as drainage effect and water - logging , overland flow on road etc . , and simultaneously , the storm floods under different conditions , including reforming the protruding green belts into plain or concave ones , placing flood storage areas etc . , are simulated with the evaluation on their effects
摘要以swmm为基础，选取北京市典型小区，计算不同频率设计暴雨下小区排水效果以及积水、道路坡面流等情况，同时进行不同情景下的暴雨洪水模拟并评价其影响，包括改凸式绿地为平式和凹式、设置蓄洪区等。 |
| 10. | On the basis of consulting a large number of literatures domestic and aboard , the present situation and latest development of hydrodynamic characteristics of overland flow and slope erosion dynamic process were reviewed . aiming at revealing the effect of rainfall splash intensity on hydrodynamic features of sheet flow and slope erosion , with a combination of runoff experiment and simulated rainfall experiment with a fixed intensity , applying hydrodynamic and erosive theory , the effect of rainfall on overland flow velocity and the influence of rainfall splash intensity on hydrodynamic features ( such as velocity , flow depth , flow patterns , resistance ) of sheet flow on slope and the influence of rainfall splash intensity on the overland flow sediment contain was researched
本文在查阅了大量国内外文献资料，全面了解了坡面流水动力学特性及坡面侵蚀动力过程等方面的研究现状及最新进展的基础上，以揭示雨滴打击动能对坡面薄层水流水动力学特性及坡面侵蚀的影响为目标，采用水槽放水试验和定雨强模拟试验相结合的方法，运用水动力学与侵蚀理论，研究了降雨对坡面薄层水流流速的影响，雨滴打击强度对坡面薄层水流流速、水深、流态、阻力等水动力学参数的影响，雨滴击溅作用对坡面流泥沙含量的影响。 |
