equivalent diameter

简明释义

等效直径

英英释义

例句

1.The equivalent diameter 等效直径 helps in comparing different geometries for their hydraulic properties.

在比较不同几何形状的液压特性时，等效直径 equivalent diameter 是有帮助的。

2.In fluid dynamics, the equivalent diameter 等效直径 of a non-circular pipe can be calculated to determine flow characteristics.

在流体动力学中，非圆形管道的等效直径 equivalent diameter 可以计算以确定流动特性。

3.In particle technology, the equivalent diameter 等效直径 is used to describe the size of irregularly shaped particles.

在颗粒技术中，等效直径 equivalent diameter 用于描述不规则形状颗粒的大小。

4.When designing a nozzle, engineers often refer to the equivalent diameter 等效直径 to ensure optimal performance.

在设计喷嘴时，工程师通常参考等效直径 equivalent diameter以确保最佳性能。

5.The equivalent diameter 等效直径 is used in heat transfer calculations for ducts of various shapes.

在不同形状的风管的热传递计算中使用等效直径 equivalent diameter。

作文

In the field of engineering and fluid dynamics, the term equivalent diameter refers to a calculated diameter that represents the flow characteristics of a non-circular duct or pipe. This concept is crucial because many systems do not utilize perfectly circular conduits, yet the behavior of fluids in these systems can often be approximated using circular flow equations. Understanding the equivalent diameter allows engineers to simplify complex calculations and design more efficient systems. The equivalent diameter is defined as the diameter of a circular pipe that has the same cross-sectional area as the actual non-circular shape. For example, if an engineer is dealing with a rectangular duct, they would calculate the area of the rectangle and then determine what diameter a circular pipe would need to have to match that area. This conversion is essential for accurately predicting how fluids will behave as they move through various shapes and sizes of ducts. Consider a scenario where an engineer is designing a ventilation system for a large building. The ductwork may consist of both rectangular and circular sections. To ensure that the airflow is consistent and effective throughout the system, the engineer would use the equivalent diameter to analyze the entire duct network. By doing so, they can apply the principles of fluid dynamics that are most commonly associated with circular pipes, ensuring that the design will facilitate optimal airflow and energy efficiency. Moreover, the equivalent diameter plays a significant role in calculating pressure losses within a system. When fluids flow through a duct, they encounter resistance due to friction and other factors. By knowing the equivalent diameter, engineers can better estimate these pressure losses and make necessary adjustments to the system design. This knowledge is vital for creating systems that operate smoothly and reliably while minimizing energy consumption. In addition to its applications in engineering, the concept of equivalent diameter can also be found in environmental science, particularly in studies related to pollutant dispersion in air and water. For instance, when assessing the impact of a discharge from a pipe into a river, scientists might use the equivalent diameter to model how pollutants will spread. This modeling helps in understanding the potential environmental impacts and assists in regulatory compliance. In conclusion, the term equivalent diameter is a vital concept in various fields, including engineering, fluid dynamics, and environmental science. It simplifies complex calculations related to non-circular shapes by providing a way to convert them into a more manageable circular form. By utilizing the equivalent diameter, professionals can enhance their designs, optimize performance, and ensure that systems function efficiently. As technology continues to advance, the importance of understanding such concepts will only grow, highlighting the need for continuous learning and adaptation in these fields.

在工程和流体动力学领域，术语等效直径指的是一个计算得出的直径，代表非圆形管道或管子的流动特性。这个概念至关重要，因为许多系统并不使用完美的圆形导管，然而这些系统中流体的行为通常可以用圆形流动方程进行近似。理解等效直径使工程师能够简化复杂的计算并设计出更高效的系统。等效直径被定义为具有与实际非圆形形状相同横截面积的圆形管道的直径。例如，如果一位工程师正在处理一个矩形导管，他们会计算矩形的面积，然后确定一个圆形管道需要什么直径以匹配该面积。这种转换对于准确预测流体在各种形状和尺寸的导管中的行为至关重要。考虑一个工程师为大型建筑设计通风系统的场景。管道可能由矩形和圆形部分组成。为了确保整个系统的气流一致且有效，工程师将使用等效直径来分析整个管道网络。通过这样做，他们可以应用最常与圆形管道相关的流体动力学原理，确保设计能够促进最佳气流和能源效率。此外，等效直径在计算系统内的压力损失方面也起着重要作用。当流体通过导管流动时，由于摩擦和其他因素，它们会遇到阻力。通过了解等效直径，工程师可以更好地估计这些压力损失，并对系统设计进行必要的调整。这一知识对于创建平稳可靠且能量消耗最小的系统至关重要。除了在工程中的应用外，等效直径的概念在环境科学中也可以找到，特别是在与空气和水中污染物扩散相关的研究中。例如，在评估从管道向河流排放的影响时，科学家可能会使用等效直径来模拟污染物的传播。这种建模有助于了解潜在的环境影响，并协助遵守监管要求。总之，术语等效直径是各个领域的重要概念，包括工程、流体动力学和环境科学。它通过提供一种将非圆形形状转换为更易管理的圆形形式的方法，简化了与非圆形形状相关的复杂计算。通过利用等效直径，专业人士可以提高设计水平，优化性能，确保系统高效运行。随着技术的不断进步，理解这些概念的重要性只会增加，突显出在这些领域持续学习和适应的必要性。