blade area

简明释义

翼面积

英英释义

例句

1.Increasing the blade area (叶片面积) of a helicopter rotor can improve lift.

增加直升机旋翼的叶片面积可以提高升力。

2.A larger blade area (叶片面积) can capture more wind energy.

更大的叶片面积可以捕获更多的风能。

3.The efficiency of the wind turbine is largely determined by its blade area (叶片面积).

风力发电机的效率在很大程度上取决于其叶片面积。

4.Engineers must calculate the optimal blade area (叶片面积) for maximum performance.

工程师必须计算最佳的叶片面积以获得最佳性能。

5.The blade area (叶片面积) directly affects the drag experienced by the aircraft.

飞机所受的阻力直接受到叶片面积的影响。

作文

In the field of engineering, particularly in aerodynamics and fluid dynamics, the term blade area is crucial for understanding how various designs perform under different conditions. The blade area refers to the total surface area of the blades in a rotor or propeller. This measurement is significant because it directly influences the lift and thrust produced by the rotating blades. For example, in the design of helicopter rotors, engineers must carefully calculate the blade area to ensure that the rotor can generate enough lift to support the weight of the aircraft while also maintaining efficiency at various speeds.The relationship between blade area and performance can be illustrated through the principles of lift generation. Lift is generated when air flows over the blades, creating a pressure difference between the upper and lower surfaces. A larger blade area allows for more air to be displaced, which can increase the amount of lift generated. However, this must be balanced with drag, as a larger blade area can also lead to increased aerodynamic drag, which can hinder performance. Therefore, engineers often use computational fluid dynamics (CFD) simulations to optimize the blade area for specific applications.Moreover, the blade area is not only relevant in aviation but also in marine engineering. For instance, the design of ship propellers involves similar considerations. The blade area of a propeller affects its ability to push water and thus propel the vessel forward. A well-designed propeller with an optimal blade area can improve fuel efficiency and enhance overall performance. In addition to its impact on lift and thrust, the blade area also plays a role in noise generation. Larger blades can produce more noise due to the increased interaction with the air. This is particularly important in urban areas where noise pollution is a concern. Engineers must consider the trade-offs between a larger blade area for performance and the potential for increased noise levels.Furthermore, advancements in materials science have allowed for the development of lighter and stronger materials that can influence the blade area. Composite materials, for instance, enable engineers to design blades that are both lightweight and durable, allowing for larger blade areas without compromising structural integrity. This innovation has led to more efficient aircraft and vessels that can operate effectively in various environments.In conclusion, the concept of blade area is fundamental in the fields of aerodynamics and fluid dynamics. It impacts lift, thrust, drag, and noise generation in both aviation and marine applications. As technology continues to advance, understanding and optimizing the blade area will remain essential for engineers seeking to improve performance and efficiency in their designs. The careful balance between size, material, and design will dictate the success of future innovations in this exciting field.

在工程领域，尤其是在空气动力学和流体动力学中，术语blade area对于理解各种设计在不同条件下的表现至关重要。blade area指的是转子或螺旋桨中刀片的总表面积。这个测量值很重要，因为它直接影响旋转刀片所产生的升力和推力。例如，在直升机旋翼的设计中，工程师必须仔细计算blade area，以确保旋翼能够产生足够的升力来支撑飞机的重量，同时在不同速度下保持效率。blade area与性能之间的关系可以通过升力产生的原理来说明。当空气流过刀片时，会在刀片的上表面和下表面之间产生压力差，从而生成升力。较大的blade area允许更多的空气被排开，这可以增加生成的升力。然而，这必须与阻力相平衡，因为较大的blade area也可能导致气动阻力的增加，从而妨碍性能。因此，工程师通常使用计算流体动力学（CFD）模拟来优化特定应用的blade area。此外，blade area不仅在航空中相关，在海洋工程中也同样重要。例如，船舶螺旋桨的设计涉及类似的考虑。螺旋桨的blade area影响其推动水流并推动船只前进的能力。设计良好的螺旋桨具有最佳的blade area可以提高燃油效率并增强整体性能。除了对升力和推力的影响外，blade area还在噪音生成中发挥作用。较大的刀片由于与空气的相互作用增加而可能产生更多噪音。这在城市地区尤其重要，因为噪音污染是一个问题。工程师必须考虑在性能与潜在噪音水平之间的权衡。此外，材料科学的进步使得开发轻质且强度高的材料成为可能，这可以影响blade area。例如，复合材料使工程师能够设计出既轻便又耐用的刀片，从而在不妥协结构完整性的情况下实现更大的blade area。这一创新导致了更高效的飞机和船舶，能够在各种环境中有效运行。总之，blade area的概念在空气动力学和流体动力学领域是基础。它影响升力、推力、阻力和噪声生成，涵盖了航空和海洋应用。随着技术的不断进步，理解和优化blade area将继续是工程师寻求提高设计性能和效率的重要因素。尺寸、材料和设计之间的微妙平衡将决定未来这一令人兴奋的领域的成功。