loss coefficient

简明释义

损失系数

英英释义

例句

1.The loss coefficient can vary significantly depending on the flow regime and surface roughness.

根据流动状态和表面粗糙度，损失系数可能会有显著变化。

2.In fluid dynamics, the loss coefficient is crucial for understanding pressure drops across components.

在流体动力学中，损失系数对于理解组件之间的压力损失至关重要。

3.The loss coefficient for the pipe fittings was higher than expected, leading to increased energy consumption.

管道配件的损失系数高于预期，导致能耗增加。

4.To optimize the design, we need to minimize the loss coefficient in the heat exchanger.

为了优化设计，我们需要最小化热交换器中的损失系数。

5.The engineer calculated the loss coefficient to determine how much energy was lost in the system.

工程师计算了损失系数以确定系统中损失了多少能量。

作文

In the field of fluid mechanics and engineering, the term loss coefficient refers to a dimensionless number that quantifies the energy losses in a system due to friction, turbulence, and other factors. Understanding the loss coefficient is essential for engineers and designers who work with pipelines, ducts, and other fluid transport systems. The loss coefficient helps in predicting how much pressure drop will occur as fluid flows through various components, such as valves, bends, and fittings. The concept of the loss coefficient can be illustrated through the example of water flowing through a pipe. As water moves through the pipe, it encounters resistance from the walls of the pipe and any obstructions within it. This resistance causes a loss of energy, which can be quantified using the loss coefficient. For instance, when water flows through a sharp bend in a pipe, the flow direction changes abruptly, leading to turbulence and energy dissipation. The loss coefficient for such a bend can be calculated based on empirical data and is crucial for accurate system design.Moreover, the loss coefficient is not only limited to pipes but also applies to various engineering applications, including HVAC systems, hydraulic machinery, and even aerodynamics. In HVAC systems, the loss coefficient helps determine the efficiency of air distribution through ducts and the performance of fans and blowers. In aerodynamics, the loss coefficient can be used to assess the drag forces acting on an object moving through a fluid, which is vital for designing efficient vehicles and aircraft.To calculate the loss coefficient, engineers often rely on experimental data or established correlations. The loss coefficient for a given component can vary based on several factors, including the flow rate, fluid properties, and geometric configurations. Therefore, understanding these variables is critical for accurately estimating the loss coefficient in practical applications.In summary, the loss coefficient is a fundamental parameter in fluid dynamics that plays a significant role in the design and analysis of fluid transport systems. By quantifying energy losses, it enables engineers to optimize system performance, reduce energy consumption, and enhance overall efficiency. As technology advances and industries evolve, the importance of understanding the loss coefficient will continue to grow, making it a key concept for future engineering challenges. Therefore, a thorough comprehension of the loss coefficient is indispensable for anyone involved in the fields of fluid mechanics and engineering design.

在流体力学和工程领域，术语损失系数指的是一个无量纲数，用于量化由于摩擦、湍流和其他因素导致的系统能量损失。理解损失系数对于从事管道、风道和其他流体输送系统的工程师和设计师至关重要。损失系数有助于预测流体在各种组件（如阀门、弯头和配件）中流动时将发生多少压降。通过水流经管道的例子，可以说明损失系数的概念。当水在管道中流动时，会遇到来自管道壁及其内部任何障碍物的阻力。这种阻力导致能量损失，可以使用损失系数进行量化。例如，当水流经管道中的锐角弯头时，流动方向会突然改变，导致湍流和能量耗散。此类弯头的损失系数可以根据经验数据进行计算，对于准确的系统设计至关重要。此外，损失系数不仅限于管道，还适用于各种工程应用，包括HVAC系统、水力机械，甚至空气动力学。在HVAC系统中，损失系数有助于确定空气通过管道的分布效率以及风扇和鼓风机的性能。在空气动力学中，损失系数可用于评估物体在流体中移动时所受的阻力，这对于设计高效的车辆和飞机至关重要。为了计算损失系数，工程师通常依赖实验数据或已建立的相关性。给定组件的损失系数可能会因多个因素而异，包括流量、流体特性和几何配置。因此，理解这些变量对于准确估算实际应用中的损失系数至关重要。总之，损失系数是流体动力学中的一个基本参数，在流体输送系统的设计和分析中发挥着重要作用。通过量化能量损失，它使工程师能够优化系统性能、减少能量消耗并提高整体效率。随着技术的进步和行业的发展，理解损失系数的重要性将继续增长，使其成为未来工程挑战的关键概念。因此，全面理解损失系数对任何参与流体力学和工程设计领域的人来说都是不可或缺的。