wetted length

简明释义

浸湿长度

英英释义

例句

1.The total flow area of the channel is determined by the wetted length 浸湿长度 of the banks.

渠道的总流动面积由河岸的wetted length 浸湿长度 决定。

2.The wetted length 浸湿长度 of a river can change with varying water levels.

河流的wetted length 浸湿长度 会随着水位的变化而变化。

3.Engineers must consider the wetted length 浸湿长度 when designing spillways for dams.

工程师在设计大坝溢流口时必须考虑wetted length 浸湿长度。

4.In hydraulic engineering, accurate measurements of the wetted length 浸湿长度 are crucial for flow calculations.

在水利工程中，准确测量wetted length 浸湿长度 对于流量计算至关重要。

5.The wetted length 浸湿长度 of the pipe affects the friction loss in fluid transport systems.

管道的wetted length 浸湿长度 影响流体输送系统中的摩擦损失。

作文

In the field of fluid dynamics and engineering, the term wetted length refers to the portion of a surface that is in contact with a fluid. This concept is crucial for understanding how fluids interact with different surfaces, especially in applications like ship design, pipeline flow, and even in the study of natural water bodies. The wetted length can significantly affect the resistance experienced by an object moving through a fluid, as well as the overall efficiency of fluid transport systems.To illustrate this further, consider the design of a ship. The hull of the ship has a specific shape and size that determines its performance in water. The wetted length of the hull is the length of the underwater portion that is submerged in water. A longer wetted length typically means more surface area in contact with the water, which can increase drag and reduce speed. Therefore, naval architects must carefully calculate the wetted length to optimize the ship's performance and fuel efficiency.Moreover, the wetted length is not just a static measurement; it can change based on various factors, such as the load of the ship or the state of the sea. For instance, when a ship is fully loaded, its wetted length increases due to the additional weight causing it to sit lower in the water. Conversely, when the ship is empty, the wetted length decreases, potentially improving speed but also affecting stability.In pipeline systems, the concept of wetted length plays a critical role in determining the pressure drop across the system. The longer the wetted length, the greater the frictional losses due to the interaction between the fluid and the pipe walls. Engineers must take this into account when designing pipelines to ensure efficient fluid transport. They often use the wetted length to calculate the Reynolds number, which helps predict flow patterns and whether the flow will be laminar or turbulent.Furthermore, in environmental studies, understanding the wetted length of rivers and streams can provide insights into habitat conditions for aquatic life. A river with a greater wetted length may have a larger area for fish and other organisms to thrive, while also influencing sediment transport and nutrient cycling within the ecosystem. Researchers often measure the wetted length during ecological assessments to evaluate the health of aquatic habitats.In summary, the term wetted length encompasses a variety of applications across different fields, highlighting its importance in both engineering and environmental science. Whether it is optimizing the design of a ship, managing fluid flow in pipelines, or studying aquatic ecosystems, understanding the wetted length is essential for effective analysis and decision-making. As technologies advance and our understanding of fluid dynamics deepens, the significance of the wetted length will continue to grow, leading to more innovative solutions and improved designs in various industries.

在流体动力学和工程领域，短语wetted length指的是与流体接触的表面部分。这个概念对于理解流体如何与不同表面相互作用至关重要，尤其是在船舶设计、管道流动以及自然水体研究等应用中。wetted length可以显著影响物体在流体中运动时所经历的阻力，以及流体运输系统的整体效率。为了进一步说明这一点，考虑船舶的设计。船体具有特定的形状和大小，这决定了其在水中的性能。船体的wetted length是指浸没在水中的部分长度。较长的wetted length通常意味着与水接触的表面积更大，这可能增加阻力并降低速度。因此，海军建筑师必须仔细计算wetted length以优化船舶的性能和燃油效率。此外，wetted length不仅仅是一个静态测量值；它可能会根据各种因素而变化，例如船舶的负荷或海洋状态。例如，当一艘船满载时，由于额外的重量使其在水中的位置更低，wetted length会增加。相反，当船舶空载时，wetted length会减少，这可能提高速度，但也会影响稳定性。在管道系统中，wetted length的概念在确定系统内的压力损失方面起着关键作用。wetted length越长，由于流体与管道壁之间的相互作用，摩擦损失就越大。工程师在设计管道时必须考虑这一点，以确保流体运输的高效性。他们常常使用wetted length来计算雷诺数，这有助于预测流动模式以及流动是层流还是湍流。此外，在环境研究中，了解河流和溪流的wetted length可以提供对水生生物栖息条件的洞察。一个wetted length较大的河流可能为鱼类和其他生物提供更大的生存空间，同时也影响沉积物运输和营养循环。研究人员在生态评估中常常测量wetted length以评估水生栖息地的健康状况。总之，术语wetted length涵盖了不同领域的多种应用，突显了其在工程和环境科学中的重要性。无论是优化船舶设计、管理管道流动，还是研究水生生态系统，理解wetted length对于有效分析和决策至关重要。随着技术的进步和我们对流体动力学的深入理解，wetted length的重要性将继续增长，从而在各个行业中带来更具创新性的解决方案和改进的设计。