blade area ratio

简明释义

桨叶盘面比

英英释义

例句

1.Engineers must carefully calculate the blade area ratio (叶片面积比) to ensure optimal performance.

工程师必须仔细计算叶片面积比（blade area ratio），以确保最佳性能。

2.In wind turbine design, a higher blade area ratio (叶片面积比) often leads to better energy capture.

在风力涡轮设计中，较高的叶片面积比（blade area ratio）通常会导致更好的能量捕获。

3.The blade area ratio (叶片面积比) is critical for determining the lift-to-drag ratio in aircraft wings.

在飞机机翼中，叶片面积比（blade area ratio）对于确定升阻比至关重要。

4.A low blade area ratio (叶片面积比) can lead to increased drag and reduced efficiency in propellers.

低叶片面积比（blade area ratio）可能导致增大阻力并降低螺旋桨的效率。

5.The efficiency of the turbine can be significantly improved by optimizing the blade area ratio (叶片面积比).

通过优化叶片面积比（blade area ratio），可以显著提高涡轮的效率。

作文

The concept of blade area ratio is crucial in various engineering fields, particularly in aerodynamics and mechanical design. The blade area ratio refers to the ratio of the total blade area to the total area swept by the blades during their rotation. This measurement is essential for understanding how efficiently a rotor or a turbine can convert energy from a fluid, such as air or water, into mechanical power. A higher blade area ratio generally indicates that a larger surface area of the blades is interacting with the fluid, which can lead to increased lift or thrust depending on the application.In the context of wind turbines, for instance, the blade area ratio plays a significant role in determining the efficiency of energy capture. Wind turbines with a well-optimized blade area ratio can harness more wind energy, translating it into greater electrical output. Engineers often strive to find the optimal balance between blade size and rotor speed to maximize this ratio, ensuring that the turbine operates within its intended wind speed range without stalling or becoming inefficient.Similarly, in the field of aviation, the blade area ratio is a vital parameter for helicopter rotor design. Helicopter blades must be designed to provide sufficient lift while maintaining maneuverability and stability. A carefully calculated blade area ratio allows helicopters to achieve the necessary lift during various flight conditions, including takeoff, cruising, and landing. If the ratio is too low, the helicopter may struggle to gain altitude; if it is too high, it could lead to excessive drag and decreased performance.Moreover, the blade area ratio also has implications in the design of fans and propellers. In these applications, optimizing the blade area ratio can lead to improvements in airflow and efficiency. For example, in cooling systems, fans with an appropriate blade area ratio can move more air at lower speeds, reducing energy consumption and noise levels.Understanding the blade area ratio is not only essential for engineers but also for researchers who study fluid dynamics. By analyzing how different blade area ratios affect performance, researchers can develop new designs that push the boundaries of efficiency and effectiveness in various applications. This research contributes to advancements in renewable energy technologies, transportation, and industrial processes, showcasing the importance of the blade area ratio across multiple disciplines.In conclusion, the blade area ratio is a fundamental concept that influences the performance and efficiency of various mechanical systems involving rotating blades. Whether in wind turbines, helicopters, or fans, understanding and optimizing this ratio is key to enhancing energy capture, improving lift, and achieving overall better performance. As technology continues to evolve, the significance of the blade area ratio will undoubtedly remain a topic of interest for engineers and researchers alike, driving innovations that benefit society as a whole.

“刀片面积比”的概念在各个工程领域中至关重要，特别是在空气动力学和机械设计中。“刀片面积比”是指刀片的总面积与刀片旋转过程中扫过的总面积之间的比率。这个测量对于理解转子或涡轮如何有效地将流体（如空气或水）的能量转化为机械功至关重要。较高的“刀片面积比”通常表明刀片的表面积与流体的相互作用更大，这可能导致根据应用不同而增加的升力或推力。例如，在风力涡轮机的背景下，“刀片面积比”在决定能量捕获效率方面发挥着重要作用。经过良好优化的“刀片面积比”的风力涡轮机可以利用更多的风能，从而转化为更大的电力输出。工程师通常努力在刀片大小和转子速度之间找到最佳平衡，以最大化这一比率，确保涡轮机在预定的风速范围内高效运行，而不会失速或变得低效。同样，在航空领域，“刀片面积比”是直升机转子设计的重要参数。直升机的叶片必须设计得足够提供升力，同时保持机动性和稳定性。经过精确计算的“刀片面积比”使直升机能够在各种飞行条件下实现必要的升力，包括起飞、巡航和着陆。如果比率过低，直升机可能难以升高；如果比率过高，则可能导致过大的阻力和性能下降。此外，“刀片面积比”在风扇和螺旋桨的设计中也有影响。在这些应用中，优化“刀片面积比”可以提高气流和效率。例如，在冷却系统中，具有适当“刀片面积比”的风扇可以以较低的速度移动更多的空气，从而减少能源消耗和噪音水平。理解“刀片面积比”不仅对工程师至关重要，对研究流体动力学的研究人员也是如此。通过分析不同“刀片面积比”对性能的影响，研究人员可以开发出推动效率和有效性的全新设计。这项研究促进了可再生能源技术、交通运输和工业过程的进步，展示了“刀片面积比”在多个学科中的重要性。总之，“刀片面积比”是一个基本概念，影响着涉及旋转刀片的各种机械系统的性能和效率。无论是在风力涡轮机、直升机还是风扇中，理解和优化这一比率是提升能量捕获、改善升力和实现整体更好性能的关键。随着技术的不断发展，“刀片面积比”的重要性无疑将继续成为工程师和研究人员关注的话题，推动对整个社会有益的创新。