froude number

简明释义

弗劳德数

英英释义

例句

1.In hydraulic modeling, the froude number (弗劳德数) helps in scaling down the effects of gravity and inertia.

在水力模型中，froude number (弗劳德数) 有助于缩小重力和惯性的影响。

2.A low froude number (弗劳德数) indicates that the flow is dominated by gravitational forces rather than inertial forces.

低froude number (弗劳德数) 表明流动主要受重力而非惯性力量的影响。

3.To optimize the performance of the dam, we measured the froude number (弗劳德数) at various points.

为了优化大坝的性能，我们在不同点测量了froude number (弗劳德数)。

4.Engineers often use the froude number (弗劳德数) to predict wave patterns around a moving vessel.

工程师们常常使用froude number (弗劳德数) 来预测移动船只周围的波浪模式。

5.The design of the ship was based on a calculated froude number (弗劳德数) to ensure stability in rough waters.

船舶的设计是基于计算出的froude number (弗劳德数)，以确保在恶劣水域的稳定性。

作文

The Froude number is a dimensionless number that is used to compare the inertial and gravitational forces acting on a fluid. It is named after the British engineer William Froude, who developed this concept in the 19th century. Understanding the Froude number is essential in various fields such as hydrodynamics, naval architecture, and civil engineering. This number plays a crucial role in analyzing fluid flow, particularly in open channel flows and free surface flows.To calculate the Froude number, one must use the formula: Froude number = V / √(gL), where V is the flow velocity, g is the acceleration due to gravity, and L is a characteristic length scale (usually the depth of the flow). The Froude number can provide insights into the behavior of fluid flow under different conditions. For instance, when the Froude number is less than 1, the flow is considered subcritical, meaning that gravitational forces dominate over inertial forces. In contrast, when the Froude number exceeds 1, the flow becomes supercritical, indicating that inertial forces are more significant than gravitational forces.In practical applications, the Froude number helps engineers design efficient channels for water flow, such as rivers, drainage systems, and spillways. By understanding the relationship between flow velocity and depth, engineers can predict how water will behave in different scenarios, which is vital for preventing flooding and ensuring the stability of structures.Moreover, the Froude number is also critical in naval architecture, where it assists in the design of ships and submarines. By analyzing the Froude number, naval architects can determine the resistance experienced by vessels at different speeds, allowing them to optimize hull shapes for better performance in water. A well-designed hull will minimize drag and improve fuel efficiency, which is essential for modern shipping and naval operations.Furthermore, the Froude number has implications in environmental studies, particularly in understanding sediment transport and erosion processes in rivers and coastal areas. By monitoring changes in the Froude number, researchers can assess the impact of human activities, such as dam construction or riverbank modifications, on natural water systems. This knowledge is crucial for developing sustainable management practices for waterways and protecting ecosystems.In conclusion, the Froude number is a fundamental concept in fluid mechanics that provides valuable insights into the behavior of fluid flow. Its applications span across various fields, including engineering, naval architecture, and environmental science. By mastering the Froude number, professionals can make informed decisions that enhance the efficiency and safety of fluid-related projects. As we continue to face challenges related to water management and environmental sustainability, understanding the Froude number will remain an essential tool for scientists and engineers alike.

Froude数是一个无量纲数，用于比较流体中作用的惯性力和重力。这个概念以英国工程师威廉·弗劳德的名字命名，他在19世纪发展了这一理论。理解Froude数在水动力学、船舶设计和土木工程等多个领域至关重要。这个数值在分析流体流动方面发挥着关键作用，特别是在开放通道流和自由表面流中。要计算Froude数，必须使用公式：Froude数 = V / √(gL)，其中V是流速，g是重力加速度，L是特征长度尺度（通常是流体深度）。Froude数可以提供对流体流动在不同条件下行为的洞察。例如，当Froude数小于1时，流动被认为是亚临界的，意味着重力作用占主导地位；相反，当Froude数超过1时，流动变为超临界，表明惯性力比重力更为显著。在实际应用中，Froude数帮助工程师设计高效的水流通道，如河流、排水系统和溢洪道。通过理解流速与深度之间的关系，工程师可以预测水在不同情境下的行为，这对于防止洪水和确保结构稳定性至关重要。此外，Froude数在船舶设计中也至关重要，它帮助设计师优化船只和潜艇的性能。通过分析Froude数，船舶设计师可以确定不同速度下船只所经历的阻力，从而优化船体形状以提高水中性能。设计良好的船体将最小化阻力，提高燃油效率，这对于现代航运和海军行动至关重要。此外，Froude数在环境研究中也具有重要意义，特别是在理解河流和沿海地区的沉积物运输和侵蚀过程方面。通过监测Froude数的变化，研究人员可以评估人类活动（如水坝建设或河岸改造）对自然水系的影响。这一知识对于制定可持续的水道管理实践和保护生态系统至关重要。总之，Froude数是流体力学中的一个基础概念，为流体流动行为提供了宝贵的见解。它在工程、船舶设计和环境科学等多个领域的应用广泛。通过掌握Froude数，专业人士可以做出明智的决策，从而提高与流体相关项目的效率和安全性。随着我们继续面临与水管理和环境可持续性相关的挑战，理解Froude数将继续成为科学家和工程师的重要工具。