rotating blade row

简明释义

可转动叶栅

英英释义

例句

1.In gas turbines, the rotating blade row plays a crucial role in compressing the air.

在燃气涡轮中，旋转叶片行在压缩空气中起着至关重要的作用。

2.The vibrations from the rotating blade row can affect the overall stability of the engine.

来自旋转叶片行的振动可能会影响发动机的整体稳定性。

3.Engineers are testing new materials for the rotating blade row to enhance durability.

工程师正在测试用于旋转叶片行的新材料，以提高耐用性。

4.The efficiency of the turbine is largely determined by the design of the rotating blade row.

涡轮的效率在很大程度上取决于旋转叶片行的设计。

5.A failure in the rotating blade row could lead to catastrophic engine failure.

在旋转叶片行中的故障可能导致灾难性的发动机故障。

作文

In the world of engineering and aerodynamics, various components play crucial roles in the performance and efficiency of machines. One such component is the rotating blade row, which is commonly found in turbines and compressors. The rotating blade row refers to a series of blades that are arranged in a circular pattern and rotate around a central axis. These blades are essential for converting energy from fluid flow into mechanical energy, or vice versa, depending on the application. Understanding the function and design of the rotating blade row is vital for engineers who work in fields such as aerospace, power generation, and HVAC systems.The primary purpose of a rotating blade row is to harness the kinetic energy of a moving fluid, such as air or water. In a turbine, for instance, the rotating blade row captures the energy from the fluid as it flows over the blades. This energy is then converted into rotational motion, which can be used to generate electricity or perform mechanical work. Similarly, in a compressor, the rotating blade row increases the pressure of the incoming fluid by compressing it as it passes through the blades. This process is critical in applications such as jet engines, where high-pressure air is needed for combustion.The design of the rotating blade row is a complex task that requires careful consideration of various factors, including aerodynamics, material properties, and manufacturing techniques. Engineers must ensure that the blades are shaped to optimize airflow and minimize drag, while also being strong enough to withstand the forces exerted on them during operation. Additionally, the spacing and arrangement of the blades within the rotating blade row can significantly impact the overall efficiency of the machine.One of the challenges faced by engineers is the phenomenon known as blade stall, which occurs when the angle of attack of the fluid on the blade exceeds a certain threshold. This can lead to a loss of lift and efficiency, ultimately affecting the performance of the entire system. To mitigate this issue, advanced computational fluid dynamics (CFD) simulations are often employed to analyze the flow patterns around the rotating blade row and optimize their design accordingly.Moreover, the materials used for constructing the rotating blade row are critical for ensuring durability and performance. High-strength alloys and composite materials are commonly utilized to withstand the extreme conditions often encountered in turbines and compressors, such as high temperatures and corrosive environments. The choice of material can influence not only the performance but also the longevity of the rotating blade row.In conclusion, the rotating blade row is a fundamental element in many mechanical systems, playing a pivotal role in energy conversion processes. Its design and functionality are essential for achieving optimal performance in applications ranging from power generation to aviation. As technology continues to advance, the study and enhancement of the rotating blade row will remain a significant focus for engineers, ensuring that machines operate efficiently and effectively in an ever-evolving landscape of engineering challenges.

在工程和空气动力学的世界中，各种组件在机器的性能和效率中发挥着至关重要的作用。其中一个重要组件是旋转叶片行，它通常出现在涡轮机和压缩机中。旋转叶片行指的是一系列以圆形模式排列并围绕中心轴旋转的叶片。这些叶片对于将流体流动中的能量转化为机械能，或反之亦然，取决于应用场景，至关重要。理解旋转叶片行的功能和设计对于从事航空航天、发电和暖通空调系统等领域的工程师来说至关重要。旋转叶片行的主要目的是利用移动流体（如空气或水）的动能。例如，在涡轮机中，旋转叶片行捕获流体在流经叶片时的能量。这种能量随后被转化为旋转运动，可用于发电或执行机械工作。同样，在压缩机中，旋转叶片行通过在流体通过叶片时对其进行压缩来提高进入流体的压力。这一过程在喷气发动机等应用中至关重要，因为需要高压空气用于燃烧。旋转叶片行的设计是一项复杂的任务，需要仔细考虑各种因素，包括空气动力学、材料特性和制造技术。工程师必须确保叶片的形状优化气流并最小化阻力，同时又足够坚固，以承受在操作过程中施加的力量。此外，旋转叶片行内叶片的间距和排列可以显著影响整个机器的效率。工程师面临的挑战之一是称为叶片失速的现象，即当流体在叶片上的攻角超过某个阈值时发生。这可能导致升力和效率的损失，最终影响整个系统的性能。为了减轻这一问题，通常会采用先进的计算流体动力学（CFD）模拟来分析流过旋转叶片行的流动模式，并相应地优化其设计。此外，用于构建旋转叶片行的材料对于确保耐用性和性能至关重要。常常使用高强度合金和复合材料，以承受涡轮机和压缩机中常遇到的极端条件，例如高温和腐蚀环境。材料的选择不仅会影响性能，还会影响旋转叶片行的使用寿命。总之，旋转叶片行是许多机械系统中的基本元素，在能量转换过程中发挥着关键作用。它的设计和功能对于实现发电到航空等应用中的最佳性能至关重要。随着技术的不断进步，对旋转叶片行的研究和改进将始终是工程师的重要关注点，确保机器在不断演变的工程挑战中高效、有效地运作。