nonscouring velocity

简明释义

不冲涮流速

英英释义

例句

1.To prevent erosion, the project must maintain a nonscouring velocity in the channel.

为了防止侵蚀，项目必须在渠道中保持非冲刷速度。

2.The engineer calculated the nonscouring velocity to ensure the design would not erode the riverbed.

工程师计算了非冲刷速度以确保设计不会侵蚀河床。

3.The research focused on finding the optimal nonscouring velocity for various soil types.

研究集中在寻找不同土壤类型的最佳非冲刷速度。

4.In hydraulic modeling, understanding the nonscouring velocity is crucial for predicting sediment transport.

在水力模型中，理解非冲刷速度对于预测沉积物运输至关重要。

5.The nonscouring velocity of the water flow was measured to assess the stability of the dam.

水流的非冲刷速度被测量以评估大坝的稳定性。

作文

In the realm of fluid mechanics, understanding various flow characteristics is crucial for numerous engineering applications. One such characteristic is the nonscouring velocity, a term that refers to the speed at which a fluid can flow without eroding or displacing the surrounding material. This concept is particularly important in the design of hydraulic structures, such as dams and riverbanks, where the stability of the structure is paramount.

When water flows over a surface, it exerts a force on that surface. If the flow velocity exceeds a certain threshold, known as the nonscouring velocity (即“非侵蚀速度”), the force generated by the water can cause erosion, leading to potential structural failure. Engineers must carefully calculate this velocity to ensure that the materials used can withstand the forces exerted by flowing water.

The determination of nonscouring velocity involves several factors, including the type of material in question, the flow conditions, and the geometry of the structure. For instance, smooth surfaces may have higher nonscouring velocities compared to rough surfaces due to the differences in how fluid interacts with these materials. Additionally, the presence of vegetation or other natural elements can significantly influence the nonscouring velocity by providing resistance against flow-induced forces.

In practical applications, engineers often conduct experiments and simulations to ascertain the nonscouring velocity for specific materials and conditions. This data is essential for designing effective flood control systems, ensuring that embankments remain intact during high flow events, and preventing sediment displacement in waterways. Understanding this concept helps to mitigate risks associated with erosion and ensures the longevity of hydraulic structures.

Moreover, the implications of nonscouring velocity extend beyond engineering. In environmental science, for example, maintaining appropriate flow velocities in rivers and streams is vital for preserving aquatic habitats. Excessive erosion can lead to habitat loss for fish and other organisms, disrupting the ecosystem balance. Therefore, knowledge of nonscouring velocity plays a significant role in both engineering and ecological conservation efforts.

In conclusion, the concept of nonscouring velocity is integral to the fields of fluid mechanics, engineering, and environmental science. By understanding and applying this knowledge, professionals can design structures that are not only functional but also sustainable, ultimately contributing to the protection of our natural resources and infrastructure. The careful consideration of nonscouring velocity ensures that we can harness the power of water while minimizing its potential for destruction.

在流体力学领域，理解各种流动特性对于众多工程应用至关重要。其中一个特性是非侵蚀速度，这个术语指的是流体能够流动而不侵蚀或移位周围材料的速度。这个概念在水坝和河岸等水利结构的设计中尤为重要，因为结构的稳定性至关重要。

当水流过一个表面时，它会对该表面施加一个力。如果流速超过某个阈值，即非侵蚀速度（即“非侵蚀速度”），水产生的力可能导致侵蚀，从而导致潜在的结构失效。工程师们必须仔细计算这个速度，以确保所用材料能够承受流动水施加的力量。

确定非侵蚀速度涉及多个因素，包括材料类型、流动条件和结构几何形状。例如，光滑表面的非侵蚀速度可能高于粗糙表面，因为流体与这些材料的相互作用存在差异。此外，植被或其他自然元素的存在可以显著影响非侵蚀速度，因为它们提供了对流动引起的力量的抵抗。

在实际应用中，工程师通常会进行实验和模拟，以确定特定材料和条件下的非侵蚀速度。这些数据对于设计有效的洪水控制系统至关重要，确保堤坝在高流量事件中保持完好，并防止水道中的沉积物位移。理解这一概念有助于降低与侵蚀相关的风险，并确保水利结构的长期稳定。

此外，非侵蚀速度的影响不仅限于工程。在环境科学中，例如，维持河流和溪流中的适当流速对于保护水生栖息地至关重要。过度侵蚀可能导致鱼类和其他生物的栖息地丧失，从而破坏生态系统平衡。因此，对非侵蚀速度的了解在工程和生态保护工作中发挥着重要作用。

总之，非侵蚀速度的概念是流体力学、工程和环境科学领域不可或缺的一部分。通过理解和应用这一知识，专业人士可以设计出不仅功能齐全而且可持续的结构，最终有助于保护我们的自然资源和基础设施。对非侵蚀速度的仔细考虑确保我们能够利用水的力量，同时将其潜在破坏降到最低。