hollow spar

简明释义

组合杆子空心帆桁

英英释义

例句

1.The architect designed the bridge using a lightweight structure with a hollow spar.

建筑师设计的桥梁采用了轻量化结构，使用了中空杆。

2.In the construction of the aircraft, engineers utilized a hollow spar to reduce weight without sacrificing strength.

在飞机的建造中，工程师使用了中空杆以减轻重量而不牺牲强度。

3.The model airplane had a hollow spar that allowed for easy installation of electronic components.

这架模型飞机有一个中空杆，方便安装电子元件。

4.During the inspection, they found the hollow spar had some wear and tear from years of use.

在检查中，他们发现中空杆因多年使用而出现了一些磨损。

5.The designer chose a hollow spar for its aerodynamic properties in the new racing drone.

设计师为新型赛车无人机选择了中空杆，以提高其空气动力学性能。

作文

In the world of engineering and construction, materials play a crucial role in determining the strength and durability of structures. One intriguing material that has gained attention in recent years is the hollow spar. A hollow spar (空心杆) refers to a structural element that is tubular in shape, featuring a hollow interior. This design not only reduces the weight of the material but also enhances its ability to withstand various forces. The concept of a hollow spar can be found in numerous applications, from aerospace engineering to civil construction.One of the primary advantages of using a hollow spar is its excellent strength-to-weight ratio. Engineers and architects are always seeking ways to minimize the weight of structures while maximizing their strength. The tubular design of a hollow spar allows for a distribution of stress across its surface, making it more efficient in bearing loads compared to solid rods of the same material. This characteristic is particularly beneficial in applications such as aircraft wings and masts for sailboats, where reducing weight significantly impacts performance and fuel efficiency.Moreover, the hollow spar is also advantageous in terms of manufacturing and material usage. By utilizing a hollow spar, manufacturers can save on raw materials and reduce waste, which is increasingly important in today’s environmentally conscious society. The hollow structure requires less material to produce while still providing the necessary strength for various applications. This efficiency not only lowers production costs but also contributes to sustainable building practices.In addition to its mechanical properties, the hollow spar design allows for additional functionalities. For instance, the hollow interior can be used for routing wires or fluids, making it an ideal choice for complex systems where space is limited. This feature is particularly useful in automotive and aerospace industries, where every inch of space is valuable. The versatility of a hollow spar means it can serve multiple purposes without compromising the integrity of the structure.However, it is essential to consider the challenges associated with using a hollow spar. While the design offers many benefits, it also requires precise engineering and careful consideration during the construction process. The hollow nature of the spar can lead to issues such as buckling under extreme loads, which must be addressed through proper design and material selection. Engineers must conduct thorough analyses to ensure that the hollow spar will perform as intended under various conditions.In conclusion, the hollow spar (空心杆) is a fascinating and practical solution in modern engineering and construction. Its unique properties allow for lightweight yet strong structures, making it a popular choice across various industries. As technology advances, the applications of hollow spar designs will likely continue to expand, leading to even more innovative solutions for complex engineering challenges. Understanding the benefits and limitations of hollow spar structures will be crucial for future developments in this field, ensuring that engineers can create safe, efficient, and sustainable designs for generations to come.