drag load

简明释义

拉力载荷

英英释义

例句

1.To complete the task, they had to drag load the equipment from one end of the warehouse to the other.

为了完成任务，他们不得不拖动负载将设备从仓库的一端拖到另一端。

2.The workers were instructed to drag load the materials to the construction site.

工人们被指示将材料拖动负载到施工现场。

3.The truck struggled to drag load the heavy cargo up the hill.

这辆卡车费力地拖动负载将重货物拉上山。

4.During the race, she felt the need to drag load her bike through the mud.

在比赛中，她觉得需要拖动负载她的自行车穿过泥泞。

5.He had to drag load the suitcase across the gravel path.

他不得不拖动负载把行李箱拖过碎石小路。

作文

In the realm of physics and engineering, the term drag load refers to the resistance experienced by an object moving through a fluid, such as air or water. This resistance can significantly affect the performance and efficiency of vehicles, aircraft, and even marine vessels. Understanding the concept of drag load is essential for engineers and designers who strive to create more efficient and aerodynamic designs. When an object moves through a fluid, it encounters forces that oppose its motion. These forces are collectively known as drag. The drag load is a critical factor in determining how much power is needed to maintain speed and overcome this resistance. For example, in automotive engineering, reducing the drag load on a car can lead to improved fuel efficiency and faster speeds. Engineers often use wind tunnel testing to analyze how different shapes and designs affect the drag load. There are two main types of drag: parasitic drag and induced drag. Parasitic drag is caused by the shape of the object and its surface roughness, while induced drag is related to the generation of lift, particularly in aircraft. Both types of drag contribute to the overall drag load experienced by the object. By minimizing these drag components, engineers can enhance the performance of various vehicles. For instance, in the aviation industry, the design of an aircraft's wings plays a crucial role in managing the drag load. Winglets, which are small vertical fins at the tips of wings, help reduce induced drag and improve fuel efficiency. Similarly, streamlined body shapes in cars help reduce parasitic drag, allowing them to cut through the air more efficiently. In addition to its importance in vehicle design, the concept of drag load also extends to sports and recreational activities. Athletes, such as cyclists and swimmers, are constantly seeking ways to minimize their drag load to enhance performance. Cyclists often wear tight-fitting clothing and use aerodynamic helmets to reduce air resistance, while swimmers may choose specific techniques and gear to decrease drag in the water. Moreover, the drag load has implications beyond individual performance; it affects entire industries and economies. For example, shipping companies invest heavily in designing hulls for cargo ships that minimize drag load, leading to reduced fuel costs and lower emissions. As environmental concerns continue to grow, the need for efficient designs that reduce drag load becomes increasingly vital. In conclusion, the concept of drag load is a fundamental principle in physics and engineering that impacts various fields, from transportation to sports. By understanding and optimizing drag load, engineers and athletes alike can achieve better performance and efficiency. As technology advances, the pursuit of minimizing drag load will likely lead to innovative solutions that benefit both individuals and society as a whole.

在物理和工程领域，术语drag load指的是物体在流体（如空气或水）中移动时所经历的阻力。这种阻力可以显著影响车辆、飞机甚至海洋船只的性能和效率。理解drag load的概念对于努力创造更高效和空气动力学设计的工程师和设计师来说至关重要。当物体在流体中移动时，它会遇到反对其运动的力量。这些力量统称为阻力。drag load是确定维持速度和克服这种阻力所需功率的关键因素。例如，在汽车工程中，减少汽车的drag load可以提高燃油效率和速度。工程师通常使用风洞测试来分析不同形状和设计如何影响drag load。阻力有两种主要类型：寄生阻力和诱导阻力。寄生阻力是由物体的形状和表面粗糙度引起的，而诱导阻力与升力的产生有关，尤其是在飞机中。这两种类型的阻力都对物体所经历的整体drag load做出贡献。通过最小化这些阻力成分，工程师可以提高各种车辆的性能。例如，在航空工业中，飞机机翼的设计在管理drag load方面起着至关重要的作用。机翼小翼，即位于机翼尖端的小垂直鳍片，有助于减少诱导阻力并提高燃油效率。同样，汽车的流线型车身形状有助于减少寄生阻力，使其能够更高效地穿过空气。除了在车辆设计中的重要性之外，drag load的概念还扩展到体育和休闲活动。运动员，如自行车手和游泳者，正在不断寻求减少他们的drag load以提高表现的方法。自行车手通常穿着紧身衣和使用空气动力学头盔以减少空气阻力，而游泳者可能选择特定的技术和装备以减少水中的阻力。此外，drag load还对整个行业和经济产生影响。例如，航运公司在设计货船的船体以最小化drag load上投入巨资，从而降低燃料成本和排放。随着环境问题的日益严重，减少drag load的高效设计的需求变得越来越重要。总之，drag load的概念是物理和工程中的一个基本原理，影响各个领域，从交通运输到体育。通过理解和优化drag load，工程师和运动员都可以实现更好的性能和效率。随着技术的进步，追求最小化drag load可能会导致创新解决方案，这些解决方案将惠及个人和整个社会。