nonsilting velocity

简明释义

不淤流速

英英释义

例句

1.Engineers calculated the nonsilting velocity to design an effective drainage system.

工程师计算了非淤积速度以设计有效的排水系统。

2.The river's flow must maintain a nonsilting velocity to prevent sediment buildup.

河流的流速必须保持在非淤积速度，以防止沉积物的积累。

3.The nonsilting velocity of the wastewater treatment plant was optimized for better efficiency.

废水处理厂的非淤积速度经过优化，以提高效率。

4.In coastal areas, maintaining a nonsilting velocity is crucial for preserving marine habitats.

在沿海地区，维持非淤积速度对保护海洋栖息地至关重要。

5.Researchers studied how changes in flow affect the nonsilting velocity of streams.

研究人员研究了流量变化如何影响溪流的非淤积速度。

作文

In the study of fluid mechanics, understanding various velocities is crucial for predicting how fluids behave under different conditions. One important concept in this field is nonsilting velocity, which refers to the minimum flow velocity required to prevent sediment particles from settling at the bottom of a fluid body. This concept is particularly significant in environmental engineering and sediment transport studies. When the flow velocity is below the nonsilting velocity, sediments can accumulate, leading to problems such as reduced water quality, habitat degradation, and increased flood risks. The nonsilting velocity is affected by several factors, including the size and density of the sediment particles, the viscosity of the fluid, and the flow characteristics. For instance, in rivers and streams, the nonsilting velocity can vary depending on whether the sediment consists of fine silt or larger sand particles. In general, smaller particles require a lower velocity to remain suspended, while larger particles necessitate higher velocities. To calculate the nonsilting velocity, engineers often use empirical formulas that take into account the specific characteristics of the sediment and the fluid. By determining this critical velocity, engineers can design more effective systems for managing sediment transport in waterways. For example, in the construction of dams or reservoirs, understanding the nonsilting velocity helps in designing spillways and other structures that minimize sedimentation. Moreover, the concept of nonsilting velocity is not only applicable to natural water bodies but also to engineered systems such as wastewater treatment plants. In these facilities, maintaining appropriate flow velocities is essential to ensure that solids do not settle in tanks, which could lead to operational issues and inefficiencies. In conclusion, the nonsilting velocity plays a vital role in fluid dynamics, especially in contexts where sediment transport is a concern. By comprehensively understanding this concept, engineers and environmental scientists can develop strategies to manage sediment effectively, ensuring the health of aquatic ecosystems and the safety of human infrastructure. As we continue to face challenges related to sedimentation and water quality, the importance of the nonsilting velocity will only grow, making it an essential topic for ongoing research and application in various fields.

在流体力学的研究中，理解各种速度对于预测流体在不同条件下的行为至关重要。一个重要的概念是非沉积速度，它指的是防止沉积物颗粒在流体体底部沉降所需的最小流速。这个概念在环境工程和沉积物运输研究中尤为重要。当流速低于非沉积速度时，沉积物可能会积累，导致水质下降、栖息地退化和洪水风险增加等问题。非沉积速度受多个因素的影响，包括沉积物颗粒的大小和密度、流体的粘度以及流动特性。例如，在河流和溪流中，非沉积速度可能因沉积物是细泥还是较大沙粒而有所不同。一般来说，较小的颗粒需要较低的速度才能保持悬浮，而较大的颗粒则需要更高的速度。为了计算非沉积速度，工程师通常使用经验公式，这些公式考虑了沉积物和流体的特定特征。通过确定这一临界速度，工程师可以设计更有效的系统来管理水道中的沉积物运输。例如，在大坝或水库的建设中，了解非沉积速度有助于设计溢洪道和其他结构，以最小化沉积。此外，非沉积速度的概念不仅适用于自然水体，也适用于废水处理厂等工程系统。在这些设施中，保持适当的流速对于确保固体不在池塘中沉降至关重要，否则可能导致操作问题和效率低下。总之，非沉积速度在流体动力学中扮演着至关重要的角色，尤其是在沉积物运输受到关注的背景下。通过全面理解这一概念，工程师和环境科学家可以制定有效管理沉积物的策略，确保水生生态系统的健康和人类基础设施的安全。随着我们继续面临与沉积和水质相关的挑战，非沉积速度的重要性只会增加，使其成为各个领域持续研究和应用的核心主题。