local pressure loss

简明释义

局部压力损失

英英释义

例句

1.In HVAC systems, local pressure loss (局部压力损失) can significantly affect airflow efficiency.

在暖通空调系统中，局部压力损失会显著影响气流效率。

2.Engineers often use simulations to predict local pressure loss (局部压力损失) in complex fluid systems.

工程师通常使用模拟来预测复杂流体系统中的局部压力损失。

3.The design of the piping system must account for local pressure loss (局部压力损失) at each bend and fitting.

管道系统的设计必须考虑每个弯头和配件处的局部压力损失。

4.Calculating local pressure loss (局部压力损失) is essential for ensuring optimal pump performance.

计算局部压力损失对确保泵的最佳性能至关重要。

5.The local pressure loss (局部压力损失) due to valve throttling can be minimized by selecting the right valve type.

通过选择合适的阀门类型，可以最小化由于阀门节流造成的局部压力损失。

作文

In fluid dynamics, understanding the concept of local pressure loss is crucial for engineers and designers who work with piping systems and fluid transport. Local pressure loss refers to the loss of pressure that occurs when a fluid flows through a restriction or an obstruction in a pipe. This phenomenon can be caused by various factors, including bends, valves, fittings, and other components that disrupt the smooth flow of fluid. It is essential to analyze local pressure loss because it can significantly affect the efficiency of a system, leading to increased energy consumption and reduced performance.When designing a piping system, engineers must consider the various components that can contribute to local pressure loss. For example, when a fluid flows through a bend in a pipe, the change in direction causes turbulence, which results in a drop in pressure. Similarly, when a fluid passes through a valve, the restriction created by the valve can lead to additional local pressure loss. Therefore, it is essential to select the right type of fittings and valves to minimize these losses.To quantify local pressure loss, engineers often use empirical formulas and charts that provide data on the pressure drop associated with different fittings and configurations. One commonly used method is the Darcy-Weisbach equation, which relates the pressure loss to the friction factor, the length of the pipe, and the velocity of the fluid. By applying this equation, engineers can calculate the expected local pressure loss and design systems that operate efficiently.Moreover, local pressure loss is not only a concern in large industrial systems but also in everyday applications. For instance, in household plumbing, the design of the piping layout can influence water pressure at faucets and showers. If there are too many bends or restrictive fittings, homeowners may experience low water pressure, making it difficult to perform daily tasks. Thus, understanding local pressure loss is vital for ensuring that plumbing systems function effectively.In addition to practical applications, local pressure loss also has implications in environmental engineering. For example, in the design of stormwater management systems, engineers must account for local pressure loss to ensure that water flows efficiently through drainage systems, preventing flooding and erosion. By minimizing local pressure loss, engineers can create systems that not only manage water effectively but also protect the surrounding environment.In conclusion, local pressure loss is a significant factor in the design and operation of fluid transport systems. By understanding the causes and effects of local pressure loss, engineers can optimize their designs to enhance efficiency, reduce energy consumption, and improve overall system performance. Whether in industrial applications, household plumbing, or environmental engineering, recognizing the importance of local pressure loss can lead to better outcomes and more sustainable practices.

在流体动力学中，理解“局部压力损失”的概念对从事管道系统和流体运输的工程师和设计师至关重要。“局部压力损失”是指当流体通过管道中的限制或障碍物时发生的压力损失。这种现象可能由多种因素引起，包括弯头、阀门、配件和其他干扰流体平稳流动的组件。分析“局部压力损失”至关重要，因为它会显著影响系统的效率，导致能耗增加和性能降低。在设计管道系统时，工程师必须考虑各种可能导致“局部压力损失”的组件。例如，当流体流经管道的弯头时，方向的变化会导致湍流，从而导致压力下降。同样，当流体通过阀门时，阀门产生的限制也会导致额外的“局部压力损失”。因此，选择合适类型的配件和阀门以最小化这些损失至关重要。为了量化“局部压力损失”，工程师通常使用经验公式和图表，这些数据提供了与不同配件和配置相关的压力降信息。一种常用的方法是达西-魏斯巴赫方程，它将压力损失与摩擦因子、管道长度和流体速度联系起来。通过应用该方程，工程师可以计算预期的“局部压力损失”，并设计高效运行的系统。此外，“局部压力损失”不仅在大型工业系统中是一个问题，在日常应用中也同样如此。例如，在家庭管道中，管道布局的设计会影响水龙头和淋浴的水压。如果有太多的弯头或限制性配件，房主可能会经历低水压，使得日常任务变得困难。因此，理解“局部压力损失”对于确保管道系统有效运作至关重要。除了实际应用外，“局部压力损失”在环境工程中也具有重要意义。例如，在雨水管理系统的设计中，工程师必须考虑“局部压力损失”，以确保水在排水系统中高效流动，防止洪水和侵蚀。通过最小化“局部压力损失”，工程师可以创建出不仅有效管理水资源，还能保护周围环境的系统。总之，“局部压力损失”是流体运输系统设计和运行中的一个重要因素。通过理解“局部压力损失”的原因和影响，工程师可以优化设计，提高效率，减少能耗，并改善整体系统性能。无论是在工业应用、家庭管道还是环境工程中，认识到“局部压力损失”的重要性都能带来更好的结果和更可持续的实践。