profile drag

简明释义

船)型阻

英英释义

例句

1.The design team focused on minimizing profile drag 外形阻力 in their new sports car prototype.

设计团队专注于在他们的新款跑车原型中最小化外形阻力。

2.Reducing profile drag 外形阻力 can significantly improve fuel efficiency in vehicles.

减少外形阻力可以显著提高车辆的燃油效率。

3.The research highlighted how profile drag 外形阻力 influences the overall aerodynamic efficiency of a vehicle.

研究强调了外形阻力如何影响车辆的整体空气动力学效率。

4.In sailing, profile drag 外形阻力 can affect the speed and maneuverability of the boat.

在帆船运动中，外形阻力会影响船只的速度和机动性。

5.The engineers conducted a test to measure the impact of profile drag 外形阻力 on the aircraft's performance.

工程师们进行了测试，以测量外形阻力对飞机性能的影响。

作文

In the field of aerodynamics, the term profile drag refers to the resistance experienced by an object as it moves through a fluid, such as air or water. This type of drag is primarily influenced by the shape and surface area of the object in question. Understanding profile drag is crucial for engineers and designers, especially when developing vehicles, aircraft, and other objects intended to move efficiently through a fluid medium.When we consider the design of an airplane, for instance, the shape of its wings plays a significant role in determining how much profile drag it will encounter during flight. A wing with a streamlined shape will experience less profile drag than one that is flat and broad. This is because a streamlined wing allows air to flow smoothly over its surface, reducing turbulence and resistance. Engineers utilize computer simulations and wind tunnel testing to analyze and minimize profile drag, thereby enhancing the performance and fuel efficiency of the aircraft.Similarly, in the automotive industry, the concept of profile drag is equally important. Cars are designed with aerodynamic features to reduce drag and improve fuel efficiency. The sleek design of modern vehicles is not just about aesthetics; it is also about minimizing profile drag. For example, a car with a rounded front end will typically face less profile drag compared to a boxy vehicle. Manufacturers invest significant resources into wind tunnel testing to refine their designs and achieve optimal aerodynamic performance.Beyond transportation, profile drag is relevant in various fields, including sports. Athletes, particularly those in track and field or cycling, often seek to reduce profile drag to improve their performance. Cyclists, for instance, adopt specific riding positions to minimize their frontal area and thus reduce profile drag. Even clothing choices, such as tight-fitting suits, are made with the intention of lowering drag and enhancing speed.The implications of profile drag extend to environmental considerations as well. By reducing drag in vehicles and aircraft, manufacturers can decrease fuel consumption, leading to lower emissions and a smaller carbon footprint. This is increasingly important in a world that is becoming more conscious of climate change and sustainability. Innovations in technology, such as electric vehicles and hybrid systems, are also influenced by the need to manage profile drag effectively.In conclusion, profile drag is a fundamental concept in aerodynamics that affects a wide range of industries, from aviation to automotive design and even sports. By understanding and minimizing profile drag, engineers and designers can create more efficient, faster, and environmentally friendly products. As technology continues to advance, the importance of managing profile drag will only grow, driving innovation and improvements across various sectors. Therefore, a thorough grasp of this concept is essential for anyone involved in the design and engineering of objects that interact with fluid mediums.

在空气动力学领域，术语profile drag指的是物体在流体（例如空气或水）中移动时所遇到的阻力。这种类型的阻力主要受物体形状和表面积的影响。理解profile drag对于工程师和设计师至关重要，尤其是在开发旨在高效通过流体介质移动的车辆、飞机和其他物体时。以飞机的设计为例，机翼的形状在决定其在飞行过程中会遇到多少profile drag方面发挥着重要作用。流线型机翼的profile drag通常会比平坦宽大的机翼要小。这是因为流线型机翼允许空气平稳地流过其表面，从而减少湍流和阻力。工程师利用计算机模拟和风洞测试来分析和最小化profile drag，从而提高飞机的性能和燃油效率。同样，在汽车行业，profile drag的概念同样重要。汽车的设计采用了空气动力学特征，以减少阻力并提高燃油效率。现代车辆的流线型设计不仅仅是为了美观；它也是为了最小化profile drag。例如，前端圆滑的汽车通常会面临比方形车辆更少的profile drag。制造商在风洞测试上投入大量资源，以优化他们的设计并实现最佳空气动力学性能。除了交通运输，profile drag在各种领域也具有相关性，包括体育。运动员，尤其是田径或自行车运动员，常常寻求减少profile drag以提高他们的表现。例如，自行车手采用特定的骑行姿势，以最小化他们的正面面积，从而减少profile drag。甚至衣物选择，如紧身衣，也都是为了降低阻力并提高速度。profile drag的影响还延伸到环境考虑。通过减少车辆和飞机的阻力，制造商可以降低燃料消耗，从而减少排放，减少碳足迹。这在一个越来越关注气候变化和可持续发展的世界中变得尤为重要。电动车和混合动力系统等技术创新也受到有效管理profile drag的需求的影响。总之，profile drag是空气动力学中的一个基本概念，影响着从航空到汽车设计乃至体育的广泛行业。通过理解和最小化profile drag，工程师和设计师可以创造出更高效、更快速和更环保的产品。随着技术的不断进步，管理profile drag的重要性只会增加，推动各个行业的创新和改进。因此，深入掌握这一概念对于任何参与与流体介质相互作用的物体设计和工程的人来说都是必不可少的。