- 更多网络例句与丁坝相关的网络例句 [注：此内容来源于网络，仅供参考]
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They are theory base of physical model and mathematical model.Secondly, we should start with Navier-Stokes equation and equation of continuity.
首先，通过丁坝回流理论和回流计算公式的探讨，分析丁坝回流产生的原因以及回流强度的影响因素，为物理模型和数学模型的建立提供理论基础。
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Local directional change of the flow field in the vicinity of spur dike would result in local scouring of spur dike.
丁坝附近的局部流场变化是引起丁坝局部冲刷的根本原因。
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The safety criterion of groyne erosion due to flow scour has been taken into account.
提出了用丁坝端部冲刷坑的当量坡度小于冲刷坑坡度的临界值JD作为丁坝抗冲刷破坏的安全准则。
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The effect of groyne length and layout on water surface is analyzed in the paper. Based on the results of simulation and experiment, the local energy loss of the flow due to the groyne is studied. Consequently the surface variation and height of damming are also analyzed.
论文分析了丁坝长度与布置对水面线的影响，根据流场、紊动场模拟结果和实验结果研 ABSTRACT究丁坝造成的水流局部能量损失，并对水面变化和丁坝奎水高度进行了分析。
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This paper presents the mechanism of erosion scour around groynes of levee projects and a probability method of the reliability analysis for groyne erosion under random factors.
分析了防护丁坝冲刷的机理，用概率分析方法研究了在随机因素影响下防护丁坝抗冲刷的可靠性问题。应用Rosen-blatt变换确定防护丁坝抗冲刷破坏的功能函数在随机因素影响下的可靠性指标。
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With calculation of the 3D flow affecting the non-submerged groyne, the comparison between calculative and experimental data means that the dynamical compressive models can accurately simulate the free surface and the flow field around groyne.
污染物在丁坝附近的扩散模拟显示了丁坝后的回流区减慢了污染物浓度的衰减，丁坝附近水流的湍动使得冲淤条件下污染物悬沙吸附量和溶解态浓度明显增大。
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Main creative points of the thesis are as following:1. It is the first time to apply 2-D and 3-D turbulent model of the air-water two phases flow to the study on hydraulic properties of groyne. It makes description of the turbulent flow field to be possible precisely. This offers a more accurate method to determine the water surface in channel improvement.2. Based on the results of experiment and simulation for 3-D turbulent model of air-water two phases flow, a new formula to compute the height of damming is built.3. Based on the 2-D mode and the formula to compute the height of damming, the subdivision method of 2-D computation for water surface at upstream and downstream.
本文的创新工作主要是：首次将三维水气两相流紊流数学模型应用于丁坝水动力学特性研究，使丁坝附近流场和紊动场的精细描述成为可能，为航道整治中水面线确定提供了一个更为准确的方法；(2)基于水槽实验和三维水气两相流紊流数学模型数值模拟结果，建立了新的丁坝前奎水高度计算公式；(3)基于上述奎水高度计算公式和本文二维水面计算数学模型，首次提出了丁坝上下游二维水面分段计算方法。
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Experimental study includes the law of flow field variation and variation of water surface in affected zone by the single groyne or twin-groyne. Mathematical modeling includes following the trail of water surface in 2-D and 3-D conditions, model developing, verifying and applying ofthe model as well.
实验研究包括单丁坝及双丁坝条件下丁坝影响区内流场及水面变化规律；数学模拟方面包括二维和三维自由水面追踪及流场数学模型开发、验证和应用。
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The relationships between the kinetic energy correction factor near a groyne and the discharge, the groyne length, the groyne angle, the longitudinal distance from the groyne are studied by a flume experiment.
通过单丁坝水槽实验，研究丁坝附近动能修正系数与过流流量、丁坝坝长、丁坝挑角、距丁坝的纵向距离等因素之间的关系。
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Then through combining the experiment data with the existing calculation formula for barrier-discharge, an empirical formula that can be used to calculate local head loss coefficient of pile permeable groins in the non-submerged condition is obtained.
而后利用已有的桩柱透水丁坝阻水流量计算公式结合试验资料，得到了计算单个桩柱透水丁坝在非淹没状态下局部水头损失系数的经验公式，该公式计算值与实测值符合良好，可为透水丁坝水力特性的进一步研究提供参考依据。
- 更多网络解释与丁坝相关的网络解释 [注：此内容来源于网络，仅供参考]
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bankhead：岸首
bankhead 丁坝 | bankhead 岸首 | bankhead 坑口
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bankhead：丁坝
bankette 护坡道 | bankhead 丁坝 | bankhead 岸首
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ephyra larva：碟状幼体
调查船|research vessel | 碟状幼体|ephyra larva | 丁坝|groin
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fascine mattress：柴排
fascine groyne 柴捆丁坝 | fascine mattress 柴排 | fascine revetment 柴束护岸
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fascine dike：柴捆护堤
fascine 柴捆 | fascine dike 柴捆护堤 | fascine groyne 柴捆丁坝
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submerged groin：潜丁坝
submerged flow diversion work 潜式分水工程 | submerged groin 潜丁坝 | submerged groyne 潜式丁
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fascine groyne：柴捆丁坝
fascine dike 柴捆护堤 | fascine groyne 柴捆丁坝 | fascine mattress 柴排
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submerged groyne：潜式丁坝
"潜式分水工程","Submerged flow diversion work" | "潜式丁坝","Submerged groyne" | "淹水地","Submerged land"
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stonemesh groynes：钢丝网填石丁坝
钢丝网填石沉排 stonemesh apron; stonemesh mattress | 钢丝网填石丁坝 stonemesh groynes | 钢丝网洗汽器 wire-mesh steam washer
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wing dam：翼堤,丁坝
wing curve ==> 翼轮廓线 | wing dam ==> 翼堤,丁坝 | wing die ==> 转翅模