blade-section chord

简明释义

叶片剖面弦长

英英释义

例句

1.The engineer calculated the lift generated by the rotor using the blade-section chord.

工程师通过计算叶片截面弦长来计算旋翼产生的升力。

2.The blade-section chord affects the stall characteristics of an aircraft wing.

在飞机机翼中，叶片截面弦长会影响失速特性。

3.During the design phase, we optimized the blade-section chord for better aerodynamic efficiency.

在设计阶段，我们优化了叶片截面弦长以提高气动效率。

4.In our simulations, varying the blade-section chord led to different thrust outputs.

在我们的模拟中，改变叶片截面弦长导致不同的推力输出。

5.A larger blade-section chord can improve the performance of a wind turbine.

更大的叶片截面弦长可以提高风力涡轮机的性能。

作文

In the field of aerodynamics, understanding the various components of an airfoil is crucial for engineers and designers. One of these important components is the blade-section chord, which plays a significant role in determining the performance characteristics of blades used in turbines and propellers. The blade-section chord can be defined as the straight line connecting the leading edge and trailing edge of a blade section at any given point along its span. This simple yet fundamental measurement is essential for calculating the lift, drag, and overall aerodynamic efficiency of the blade.When designing blades for wind turbines, for instance, the blade-section chord must be carefully optimized to ensure maximum energy capture from the wind. A wider blade-section chord can increase the surface area of the blade, which may enhance lift; however, it can also lead to increased drag, impacting the overall efficiency of the turbine. Therefore, engineers must strike a balance between the size of the blade-section chord and other design parameters to achieve optimal performance.In addition to wind turbines, the concept of blade-section chord is equally important in the design of aircraft wings and helicopter blades. For example, in aviation, the blade-section chord influences the stall characteristics of the wing. A longer blade-section chord can provide greater control and stability at lower speeds, which is particularly beneficial during takeoff and landing phases of flight. Conversely, a shorter blade-section chord can reduce drag at higher speeds, making it advantageous for high-performance aircraft.Moreover, the blade-section chord also affects the structural integrity of the blade. Engineers must consider the material properties and thickness of the blade in relation to the blade-section chord to prevent failure under operational stresses. The relationship between the blade-section chord and the structural design of the blade is a critical aspect of ensuring safety and reliability in both aerospace and renewable energy applications.Furthermore, advancements in computational fluid dynamics (CFD) have allowed engineers to simulate airflow over blades with varying blade-section chord configurations. These simulations provide valuable insights into how changes in the blade-section chord can impact performance metrics such as lift-to-drag ratio, pressure distribution, and vortex formation. By analyzing these results, engineers can make informed decisions when selecting the optimal blade-section chord for specific applications.In conclusion, the blade-section chord is a fundamental parameter that significantly influences the aerodynamic performance and structural integrity of blades in various engineering fields. Whether in wind energy, aviation, or other applications, a thorough understanding of the blade-section chord and its implications is essential for achieving efficient and safe designs. As technology continues to advance, the importance of optimizing the blade-section chord will only grow, highlighting the need for continued research and innovation in this area.

在空气动力学领域，理解气动翼的各个组成部分对工程师和设计师至关重要。其中一个重要组件是刀片截面弦长，它在确定涡轮和螺旋桨所用刀片的性能特性方面发挥着重要作用。刀片截面弦长可以定义为连接刀片截面前缘和后缘的直线，该直线位于其跨度的任何给定点上。这个简单而基本的测量对于计算刀片的升力、阻力和整体空气动力效率至关重要。例如，在风力涡轮机的设计中，刀片截面弦长必须经过仔细优化，以确保从风中捕获最大能量。更宽的刀片截面弦长可以增加刀片的表面积，这可能增强升力；然而，它也可能导致阻力增加，从而影响涡轮的整体效率。因此，工程师必须在刀片截面弦长的大小与其他设计参数之间取得平衡，以实现最佳性能。除了风力涡轮机，刀片截面弦长的概念在飞机机翼和直升机叶片的设计中同样重要。例如，在航空领域，刀片截面弦长影响机翼的失速特性。较长的刀片截面弦长可以在较低速度下提供更大的控制和稳定性，这在飞行的起降阶段尤其有利。相反，较短的刀片截面弦长可以在较高速度下减少阻力，这使其对高性能飞机来说具有优势。此外，刀片截面弦长还会影响刀片的结构完整性。工程师必须考虑刀片材料的性质和厚度与刀片截面弦长之间的关系，以防止在操作应力下发生故障。刀片截面弦长与刀片结构设计之间的关系是确保航空航天和可再生能源应用中安全性和可靠性的关键方面。此外，计算流体动力学（CFD）的进步使工程师能够模拟不同刀片截面弦长配置下的刀片气流。这些模拟提供了关于刀片截面弦长变化如何影响升力与阻力比、压力分布和涡旋形成等性能指标的重要见解。通过分析这些结果，工程师可以在选择特定应用的最佳刀片截面弦长时做出明智的决策。总之，刀片截面弦长是一个基本参数，显著影响各个工程领域刀片的空气动力性能和结构完整性。无论是在风能、航空还是其他应用中，全面理解刀片截面弦长及其影响对于实现高效和安全的设计至关重要。随着技术的不断进步，优化刀片截面弦长的重要性只会增加，这突显出在这一领域继续研究和创新的必要性。