throttling loss

简明释义

节流损失

英英释义

例句

1.The design of the valve plays a crucial role in determining the level of throttling loss.

阀门的设计在决定节流损失的程度上起着至关重要的作用。

2.During testing, we observed that throttling loss increased with higher engine speeds.

在测试过程中，我们观察到随着发动机转速的提高，节流损失增加。

3.Improving the aerodynamics of the vehicle can help reduce throttling loss during acceleration.

改善车辆的空气动力学可以帮助减少加速过程中的节流损失。

4.The engine's performance was affected by significant throttling loss, leading to reduced efficiency.

由于显著的节流损失，发动机的性能受到影响，导致效率降低。

5.To optimize fuel consumption, engineers must minimize throttling loss in the intake system.

为了优化燃油消耗，工程师必须尽量减少进气系统中的节流损失。

作文

In the field of thermodynamics and fluid mechanics, the term throttling loss refers to the energy lost when a fluid is forced through a restriction or throttle. This phenomenon occurs in various applications, such as in engines, refrigeration systems, and even in everyday household appliances like faucets and showerheads. Understanding throttling loss is crucial for engineers and designers as it directly impacts the efficiency and performance of systems that rely on fluid flow.When a fluid flows through a pipe or duct, it experiences friction and turbulence, which can lead to energy loss. However, throttling loss specifically occurs when there is a deliberate restriction in the flow path, such as a valve or an orifice. As the fluid passes through this restricted area, its pressure drops, and energy is dissipated as heat, resulting in a loss of usable energy. The greater the restriction, the higher the throttling loss.To illustrate this concept, consider a simple example of a water faucet. When you turn the faucet handle to adjust the flow of water, you are effectively creating a throttle. If the faucet is partially closed, the water experiences a reduction in pressure as it flows through the narrow opening. This pressure drop is accompanied by a loss of energy, which is what we refer to as throttling loss. In this case, the energy is not utilized for any useful work, such as moving water to a higher elevation or heating it; instead, it is wasted as heat due to friction and turbulence.In engineering applications, minimizing throttling loss is essential for improving system efficiency. For instance, in a car engine, fuel injectors control the amount of fuel entering the combustion chamber. If the injectors create excessive throttling loss, the engine will require more fuel to maintain power output, leading to increased fuel consumption and emissions. Therefore, engineers must design these components carefully to ensure optimal performance while minimizing energy losses.Another example can be found in refrigeration systems, where refrigerants are cycled through various components to absorb and release heat. If the expansion valve, which regulates the flow of refrigerant, causes significant throttling loss, the overall efficiency of the refrigeration cycle will decrease. This inefficiency not only affects energy consumption but can also lead to higher operational costs and environmental impact.In conclusion, understanding throttling loss is vital for anyone involved in designing or operating systems that utilize fluid flow. By recognizing the factors that contribute to this energy loss, engineers can implement strategies to minimize it, thereby enhancing the efficiency and sustainability of their designs. Whether in automotive applications, HVAC systems, or industrial processes, addressing throttling loss can lead to significant improvements in performance and energy savings. Therefore, it is important to consider this concept when developing new technologies or optimizing existing ones, ultimately contributing to a more efficient and environmentally friendly future.

在热力学和流体力学领域，短语throttling loss指的是当流体被迫通过限制或节流装置时所损失的能量。这种现象发生在各种应用中，例如发动机、制冷系统，甚至是日常家用电器，如水龙头和淋浴头。理解throttling loss对于工程师和设计师至关重要，因为它直接影响依赖流体流动的系统的效率和性能。当流体通过管道或通道流动时，它会经历摩擦和湍流，这可能导致能量损失。然而，throttling loss特别发生在流动路径中存在故意限制时，例如阀门或孔口。当流体通过这个受限区域时，其压力下降，能量以热量的形式散失，从而导致可用能量的损失。限制越大，throttling loss就越高。为了说明这一概念，可以考虑一个简单的例子：水龙头。当你转动水龙头把手来调节水流时，你实际上是在创建一个节流。如果水龙头部分关闭，水在通过狭窄开口时会经历压力降低。这个压力下降伴随着能量损失，这就是我们所说的throttling loss。在这种情况下，能量没有用于任何有用的工作，比如将水提升到更高的高度或加热，而是因摩擦和湍流而浪费为热量。在工程应用中，最小化throttling loss对提高系统效率至关重要。例如，在汽车发动机中，燃油喷射器控制进入燃烧室的燃油量。如果喷油器造成过多的throttling loss，发动机将需要更多的燃油以维持功率输出，从而导致燃油消耗和排放增加。因此，工程师必须仔细设计这些组件，以确保最佳性能，同时最小化能量损失。另一个例子可以在制冷系统中找到，其中制冷剂通过各种组件循环以吸收和释放热量。如果膨胀阀（调节制冷剂流动的装置）造成显著的throttling loss，则制冷循环的整体效率将降低。这种低效率不仅影响能量消耗，还可能导致更高的运营成本和环境影响。总之，理解throttling loss对于任何参与设计或操作利用流体流动的系统的人来说都是至关重要的。通过认识到导致这种能量损失的因素，工程师可以实施策略以最小化它，从而提高设计的效率和可持续性。无论是在汽车应用、暖通空调系统还是工业过程，解决throttling loss都可以显著改善性能和节能。因此，在开发新技术或优化现有技术时，考虑这一概念是非常重要的，最终有助于实现更高效和环保的未来。