frictional loss

简明释义

摩擦损失

英英释义

例句

1.To improve efficiency, we need to minimize frictional loss 摩擦损失 in our HVAC system.

为了提高效率，我们需要最小化HVAC系统中的摩擦损失。

2.Understanding frictional loss 摩擦损失 is crucial for optimizing pump performance.

理解摩擦损失对于优化泵性能至关重要。

3.The engineers calculated the total pressure drop, including the frictional loss 摩擦损失 in the pipeline.

工程师计算了总压降，包括管道中的摩擦损失。

4.The frictional loss 摩擦损失 in the ductwork can significantly affect airflow.

风管中的摩擦损失会显著影响气流。

5.The design team focused on reducing frictional loss 摩擦损失 by using smoother materials.

设计团队专注于通过使用更光滑的材料来减少摩擦损失。

作文

In the world of engineering and physics, understanding the various forms of energy loss is crucial for designing efficient systems. One such form of energy loss is known as frictional loss, which refers to the energy that is lost due to friction between moving parts or through fluid flow in pipes. This phenomenon can significantly impact the performance of machines, vehicles, and even simple plumbing systems. Therefore, it is essential to grasp the concept of frictional loss to improve efficiency and reduce waste in various applications.To illustrate the importance of frictional loss, let us consider a simple scenario involving a water pump. When water is pumped through a system of pipes, some energy is inevitably lost due to friction between the water and the inner walls of the pipes. This loss can be attributed to several factors, including the roughness of the pipe's surface, the viscosity of the fluid, and the flow rate. As the water moves through the pipes, the frictional forces act against the flow, causing a drop in pressure and reducing the overall efficiency of the pumping system.Engineers often use calculations to quantify frictional loss, allowing them to design systems that minimize this energy waste. The Darcy-Weisbach equation is a commonly used formula that helps estimate the pressure loss due to friction in a pipe. By knowing the length and diameter of the pipe, the flow rate, and the type of fluid, engineers can calculate the expected frictional loss and make informed decisions about the design and materials used.Moreover, frictional loss is not limited to fluid systems; it also plays a significant role in mechanical systems. For instance, in an internal combustion engine, moving parts like pistons and crankshafts experience friction as they interact with one another. This friction generates heat, which not only wastes energy but can also lead to wear and tear on the components. To mitigate frictional loss, engineers often incorporate lubricants that create a barrier between moving parts, reducing friction and improving overall efficiency.The implications of frictional loss extend beyond just energy efficiency; they also have environmental and economic consequences. In industrial settings, excessive energy loss can lead to increased operational costs and higher carbon emissions. By focusing on reducing frictional loss, companies can not only save money but also contribute to sustainability efforts by lowering their energy consumption and environmental footprint.In conclusion, understanding frictional loss is essential for engineers and designers across various fields. By recognizing the factors that contribute to this energy loss and implementing strategies to minimize it, we can enhance the efficiency of our systems, reduce operational costs, and promote a more sustainable future. Whether in fluid dynamics or mechanical systems, the principles surrounding frictional loss are fundamental to creating effective and efficient designs that meet the demands of modern society.

在工程和物理学的世界中，理解各种形式的能量损失对于设计高效的系统至关重要。其中一种能量损失被称为摩擦损失，它指的是由于移动部件之间或通过管道中的流体流动而导致的能量损失。这种现象会显著影响机器、车辆甚至简单管道系统的性能。因此，掌握摩擦损失的概念对于提高效率和减少各种应用中的浪费是至关重要的。为了说明摩擦损失的重要性，让我们考虑一个涉及水泵的简单场景。当水通过一套管道系统被抽送时，由于水与管道内壁之间的摩擦，部分能量不可避免地会损失。这种损失可以归因于几个因素，包括管道表面的粗糙度、流体的粘度和流速。当水在管道中移动时，摩擦力对流动产生反作用，导致压力下降并降低泵送系统的整体效率。工程师通常使用计算来量化摩擦损失，使他们能够设计出最小化这种能量浪费的系统。达西-魏斯巴赫方程是一个常用的公式，用于估算管道中因摩擦造成的压力损失。通过了解管道的长度和直径、流速以及流体类型，工程师可以计算预期的摩擦损失，并就设计和材料做出明智的决策。此外，摩擦损失不仅限于流体系统；它在机械系统中也起着重要作用。例如，在内燃机中，活塞和曲轴等运动部件在相互作用时会经历摩擦。这种摩擦会产生热量，不仅浪费能量，还可能导致部件的磨损。为了减轻摩擦损失，工程师通常会加入润滑剂，在运动部件之间形成屏障，从而减少摩擦并提高整体效率。摩擦损失的影响不仅限于能量效率；它们还具有环境和经济后果。在工业环境中，过度的能量损失可能导致运营成本增加和碳排放增加。通过关注减少摩擦损失，企业不仅可以节省资金，还可以通过降低能源消耗和环境足迹来促进可持续发展。总之，理解摩擦损失对于各个领域的工程师和设计师至关重要。通过认识到导致这种能量损失的因素并实施策略以最小化它，我们可以提高系统的效率，降低运营成本，并促进更可持续的未来。无论是在流体动力学还是机械系统中，围绕摩擦损失的原则都是创造有效和高效设计的基础，以满足现代社会的需求。