hydraulic radius

简明释义

水力半径

英英释义

例句

1.The flow rate in the channel can be calculated using the formula that includes the hydraulic radius (水力半径).

可以使用包含水力半径（hydraulic radius）的公式计算渠道中的流量。

2.To optimize irrigation efficiency, farmers need to understand the concept of hydraulic radius (水力半径) in their ditches.

为了优化灌溉效率，农民需要了解他们沟渠中水力半径（hydraulic radius）的概念。

3.Engineers often use the hydraulic radius (水力半径) to design effective drainage systems.

工程师通常使用水力半径（hydraulic radius）来设计有效的排水系统。

4.In open channel flow, the hydraulic radius (水力半径) is crucial for determining the velocity of water.

在开口渠道流动中，水力半径（hydraulic radius）对确定水的速度至关重要。

5.The relationship between flow velocity and hydraulic radius (水力半径) can be observed in various fluid dynamics experiments.

流速与水力半径（hydraulic radius）之间的关系可以在各种流体动力学实验中观察到。

作文

The concept of hydraulic radius (水力半径) is critical in the field of fluid mechanics and civil engineering, particularly when analyzing open channel flow. It is defined as the ratio of the cross-sectional area of flow to the wetted perimeter. Understanding this concept helps engineers design efficient drainage systems, irrigation channels, and other water conveyance structures. The formula for calculating the hydraulic radius (水力半径) is simple: it is the area of the flow (A) divided by the wetted perimeter (P). Mathematically, it can be expressed as R = A / P, where R represents the hydraulic radius (水力半径), A is the area of the flow, and P is the wetted perimeter.In practical applications, the hydraulic radius (水力半径) plays a significant role in determining the flow velocity and discharge of water in channels. For instance, in a rectangular channel, the wetted perimeter is simply the width of the channel plus twice the depth of the water. This means that as the depth of water increases, the wetted perimeter also increases, which affects the hydraulic radius (水力半径). A larger hydraulic radius (水力半径) typically indicates more efficient flow, as it allows for a higher velocity and greater discharge.Moreover, the hydraulic radius (水力半径) is not only important for open channels but also for pipes and other conduits. In the case of circular pipes, the calculation becomes slightly more complex due to the geometry involved. However, the fundamental principle remains the same: the hydraulic radius (水力半径) is a key factor in understanding how fluids behave in various environments.Engineers often utilize the hydraulic radius (水力半径) in conjunction with empirical formulas, such as the Manning's equation, to predict flow behavior. This equation relates the flow velocity to the hydraulic radius (水力半径), the slope of the channel, and a roughness coefficient. By understanding the relationship between these variables, engineers can design systems that optimize water flow, minimize erosion, and prevent flooding.In summary, the hydraulic radius (水力半径) is an essential concept in fluid dynamics that aids engineers in designing effective water management systems. Its calculation is straightforward, yet it has profound implications for the efficiency of water flow in various channels and pipes. As we continue to face challenges related to water resources and management, a thorough understanding of the hydraulic radius (水力半径) will remain crucial for sustainable engineering practices.

水力半径的概念在流体力学和土木工程领域中至关重要，特别是在分析开放渠道流动时。它被定义为流动的横截面积与湿周的比率。理解这一概念有助于工程师设计高效的排水系统、灌溉渠道和其他水输送结构。计算水力半径的公式很简单：它是流动面积（A）除以湿周（P）。在数学上，可以表示为 R = A / P，其中 R 代表水力半径，A 是流动面积，P 是湿周。在实际应用中，水力半径在确定渠道中水流速度和流量方面起着重要作用。例如，在矩形渠道中，湿周仅为渠宽加上水深的两倍。这意味着，随着水深的增加，湿周也会增加，这会影响水力半径。较大的水力半径通常表示更有效的流动，因为它允许更高的流速和更大的流量。此外，水力半径不仅对开放渠道重要，对管道和其他导管也同样重要。在圆形管道的情况下，由于涉及的几何形状，计算变得稍微复杂。然而，基本原理保持不变：水力半径是理解流体在各种环境中行为的关键因素。工程师经常将水力半径与经验公式（如曼宁方程）结合使用，以预测流动行为。该方程将流速与水力半径、渠道的坡度和粗糙系数相关联。通过理解这些变量之间的关系，工程师可以设计优化水流、最小化侵蚀和防止洪水的系统。总之，水力半径是流体动力学中的一个基本概念，帮助工程师设计有效的水管理系统。它的计算简单，但对各种渠道和管道中水流效率的影响深远。随着我们继续面临与水资源和管理相关的挑战，深入理解水力半径将对可持续工程实践至关重要。