turbine nozzle

简明释义

涡轮机喷嘴

英英释义

例句

1.During maintenance, we need to inspect the turbine nozzle for any signs of wear.

在维护过程中，我们需要检查涡轮喷嘴是否有磨损迹象。

2.The shape of the turbine nozzle affects the thrust produced by the engine.

涡轮喷嘴的形状影响发动机产生的推力。

3.The turbine nozzle plays a crucial role in controlling the flow of exhaust gases.

涡轮喷嘴在控制废气流动方面起着至关重要的作用。

4.The efficiency of the jet engine largely depends on the design of the turbine nozzle.

喷气发动机的效率在很大程度上取决于涡轮喷嘴的设计。

5.Engineers are testing a new material for the turbine nozzle to improve durability.

工程师们正在测试一种新材料，用于提高涡轮喷嘴的耐用性。

作文

In the field of engineering, particularly in the design and operation of turbines, understanding the components that contribute to efficiency and performance is crucial. One such component is the turbine nozzle, which plays a vital role in the functioning of both gas and steam turbines. The turbine nozzle is essentially a device that directs the flow of working fluid, be it steam or gas, towards the turbine blades. This directionality is important because it helps convert the thermal energy of the fluid into mechanical energy, which is then harnessed to generate electricity or perform other useful work.The design of the turbine nozzle is critical for optimizing the performance of the turbine. It must be shaped in a way that allows for the smooth flow of the fluid while minimizing losses due to turbulence and friction. Typically, the turbine nozzle is designed with specific angles and dimensions that correspond to the expected operating conditions of the turbine. For instance, in a gas turbine, the turbine nozzle is designed to withstand high temperatures and pressures, ensuring that it can effectively channel the hot gases produced by combustion into the turbine blades.Moreover, the turbine nozzle also plays a significant role in determining the efficiency of the turbine. A well-designed nozzle can significantly enhance the overall efficiency by ensuring that the maximum amount of energy from the fluid is converted into mechanical energy. Engineers often use computational fluid dynamics (CFD) simulations to analyze the flow characteristics around the turbine nozzle and make necessary adjustments to improve its performance.In addition to its role in efficiency, the turbine nozzle is also crucial for controlling the output power of the turbine. By adjusting the opening of the turbine nozzle, operators can regulate the amount of fluid entering the turbine, thereby controlling the speed and power output. This ability to modulate the flow is essential for adapting to varying energy demands and maintaining stable operation under different load conditions.Furthermore, the maintenance and inspection of the turbine nozzle are vital for ensuring the longevity and reliability of the turbine. Over time, the turbine nozzle can suffer from wear and tear due to the extreme conditions it operates under. Regular inspections can help identify any damage or degradation early on, allowing for timely repairs or replacements. This proactive approach to maintenance can prevent unexpected failures and extend the operational lifespan of the turbine.In conclusion, the turbine nozzle is an indispensable component in the realm of turbine technology. Its design, efficiency, and maintenance are all critical factors that influence the overall performance of turbines. As the demand for energy continues to grow, advancements in turbine nozzle technology will play a key role in enhancing the efficiency and sustainability of power generation systems. Understanding the intricacies of the turbine nozzle not only aids engineers in their designs but also contributes to the broader goal of achieving cleaner and more efficient energy solutions.

在工程领域，特别是在涡轮机的设计和操作中，理解影响效率和性能的组件至关重要。其中一个重要组件是涡轮喷嘴，它在燃气和蒸汽涡轮机的运行中起着至关重要的作用。涡轮喷嘴本质上是一种设备，用于将工作流体（无论是蒸汽还是气体）引导到涡轮叶片上。这种方向性很重要，因为它有助于将流体的热能转化为机械能，然后被利用来发电或执行其他有用的工作。涡轮喷嘴的设计对于优化涡轮机的性能至关重要。它必须以某种方式成型，以允许流体平稳流动，同时最小化由于湍流和摩擦造成的损失。通常，涡轮喷嘴的设计具有特定的角度和尺寸，这些角度和尺寸与涡轮机的预期操作条件相对应。例如，在燃气涡轮机中，涡轮喷嘴的设计必须能够承受高温和高压，确保它能够有效地将燃烧产生的热气体引导到涡轮叶片上。此外，涡轮喷嘴在决定涡轮机的效率方面也发挥着重要作用。设计良好的喷嘴可以显著提高整体效率，确保流体中的最大能量转化为机械能。工程师通常使用计算流体动力学（CFD）模拟来分析流体在涡轮喷嘴周围的流动特性，并进行必要的调整以改善其性能。除了在效率方面的作用外，涡轮喷嘴对于控制涡轮机的输出功率也至关重要。通过调整涡轮喷嘴的开口，操作员可以调节进入涡轮机的流体量，从而控制涡轮机的速度和功率输出。这种调节流量的能力对于适应变化的能源需求和在不同负载条件下保持稳定操作至关重要。此外，维护和检查涡轮喷嘴对于确保涡轮机的耐用性和可靠性至关重要。随着时间的推移，涡轮喷嘴可能会因其所处的极端条件而受到磨损。定期检查可以帮助及早发现任何损坏或退化，从而及时进行修复或更换。这种主动的维护方法可以防止意外故障并延长涡轮机的使用寿命。总之，涡轮喷嘴是涡轮技术领域不可或缺的组成部分。其设计、效率和维护都是影响涡轮机整体性能的关键因素。随着能源需求的不断增长，涡轮喷嘴技术的进步将在提高电力生产系统的效率和可持续性方面发挥关键作用。理解涡轮喷嘴的复杂性不仅有助于工程师进行设计，也有助于实现更清洁、更高效的能源解决方案的更广泛目标。