blade exit angle

简明释义

叶片出口角

英英释义

例句

1.In wind turbine design, the blade exit angle is crucial for maximizing energy capture.

在风力涡轮机设计中，叶片出口角度对最大化能量捕获至关重要。

2.The design of the turbine includes a specific blade exit angle to optimize efficiency.

涡轮的设计包括一个特定的叶片出口角度以优化效率。

3.Adjusting the blade exit angle can significantly affect the thrust produced by the propeller.

调整叶片出口角度可以显著影响螺旋桨产生的推力。

4.The blade exit angle influences the flow dynamics around the rotor blades.

叶片出口角度影响转子叶片周围的流动动态。

5.Engineers must measure the blade exit angle during testing to ensure performance standards are met.

工程师在测试期间必须测量叶片出口角度以确保达到性能标准。

作文

In the field of engineering, particularly in the design and analysis of turbomachinery, the term blade exit angle is crucial for understanding the performance of rotating blades. The blade exit angle refers to the angle at which the fluid exits the blade after passing through the rotor. This angle significantly affects the efficiency and effectiveness of the machine, whether it be a turbine, compressor, or pump. Engineers must carefully consider the blade exit angle during the design process to optimize the flow characteristics and minimize losses.To grasp the importance of the blade exit angle, one must first understand how fluid dynamics works within these machines. When fluid enters a rotor, it is subjected to various forces that change its direction and velocity. The design of the blades, including their shape and the blade exit angle, determines how well the rotor can convert energy from the fluid into mechanical work. A well-designed blade exit angle can lead to improved performance by ensuring that the fluid exits the blade smoothly and efficiently.For instance, if the blade exit angle is too steep, it may cause turbulence and increase losses due to friction and drag. Conversely, if the angle is too shallow, it might not effectively extract energy from the fluid, leading to suboptimal performance. Therefore, engineers often conduct simulations and experiments to find the ideal blade exit angle that balances these factors.Additionally, the blade exit angle can vary depending on the specific application and operating conditions. For example, in a gas turbine engine, the blade exit angle must be optimized for high-speed airflow, while in a centrifugal pump, it may need to be adjusted for lower speeds and different fluid properties. This adaptability highlights the significance of the blade exit angle in achieving optimal performance across various types of machinery.Moreover, advancements in computational fluid dynamics (CFD) have allowed engineers to analyze the effects of the blade exit angle with greater precision. By using CFD simulations, they can visualize how changes in the angle affect the flow patterns and performance metrics of the machine. This technology enables more informed decision-making in the design phase, ultimately leading to more efficient and reliable machines.In conclusion, the term blade exit angle encapsulates a fundamental aspect of turbomachinery design. Understanding and optimizing this angle is essential for engineers to enhance the performance and efficiency of various machines. As technology continues to evolve, the importance of the blade exit angle will remain a key consideration in the pursuit of better-performing engineering solutions. Through careful analysis and innovative design practices, engineers can ensure that the blade exit angle contributes positively to the overall functionality of turbomachinery, paving the way for advancements in various industries.

在工程领域，特别是在涡轮机械的设计和分析中，术语刀片出口角对于理解旋转刀片的性能至关重要。刀片出口角是指流体在经过转子后从刀片上排出的角度。这个角度显著影响机器的效率和效果，无论是涡轮、压缩机还是泵。在设计过程中，工程师必须仔细考虑刀片出口角以优化流动特性并最小化损失。要理解刀片出口角的重要性，首先必须了解流体动力学在这些机器中的工作原理。当流体进入转子时，它会受到各种力的作用，从而改变其方向和速度。刀片的设计，包括其形状和刀片出口角，决定了转子能多好地将流体中的能量转化为机械功。一个设计良好的刀片出口角可以通过确保流体平稳高效地从刀片上排出而提高性能。例如，如果刀片出口角过陡，可能会导致湍流，并增加由于摩擦和阻力造成的损失。相反，如果角度过浅，则可能无法有效地从流体中提取能量，导致性能不佳。因此，工程师通常会进行模拟和实验，以找到理想的刀片出口角，以平衡这些因素。此外，刀片出口角可以根据具体应用和操作条件而有所不同。例如，在燃气涡轮发动机中，刀片出口角必须针对高速气流进行优化，而在离心泵中，可能需要针对较低的速度和不同的流体特性进行调整。这种适应性突显了刀片出口角在实现各种类型机械的最佳性能方面的重要性。此外，计算流体动力学（CFD）的进步使工程师能够更精确地分析刀片出口角的影响。通过使用CFD模拟，他们可以可视化角度变化如何影响机器的流动模式和性能指标。这项技术使得设计阶段的决策更加明智，最终导致更高效和可靠的机器。总之，术语刀片出口角概括了涡轮机械设计的一个基本方面。理解和优化这个角度对于工程师提高各种机器的性能和效率至关重要。随着技术的不断发展，刀片出口角的重要性将继续成为追求更好性能工程解决方案的关键考虑因素。通过仔细分析和创新设计实践，工程师可以确保刀片出口角对涡轮机械的整体功能产生积极贡献，为各个行业的进步铺平道路。