profile drag

简明释义

船型阻力

英英释义

例句

1.Aerodynamic shapes are crucial in reducing profile drag during high-speed travel.

空气动力学形状在高速行驶中对减少阻力至关重要。

2.The design of the vehicle minimizes profile drag to improve fuel efficiency.

该车辆的设计最小化了阻力以提高燃油效率。

3.In sailing, the hull design aims to reduce profile drag for faster speeds.

在帆船运动中，船体设计旨在减少阻力以获得更快的速度。

4.Engineers are constantly looking for ways to decrease profile drag on aircraft.

工程师们不断寻找减少飞机上阻力的方法。

5.A lower profile drag can lead to better performance in racing cars.

较低的阻力可以提高赛车的性能。

作文

In the world of aerodynamics, the concept of drag is crucial for understanding how objects move through air. Among the various types of drag, profile drag (剖面阻力) plays a significant role in determining the efficiency and performance of vehicles, aircraft, and even sports equipment. Profile drag refers to the resistance experienced by an object due to its shape and size as it moves through a fluid, such as air or water. This form of drag is particularly important because it can greatly influence the speed and fuel efficiency of vehicles, making it a key factor in design and engineering.When designing an aircraft, engineers must consider how to minimize profile drag to enhance performance. The shape of the wings, fuselage, and other components must be optimized to allow smooth airflow around the aircraft. A streamlined design reduces turbulence and allows the aircraft to cut through the air more efficiently. For example, modern fighter jets are designed with sleek profiles that minimize profile drag, allowing them to achieve high speeds and maneuverability.Similarly, in the automotive industry, profile drag is a critical consideration. Cars with a more aerodynamic shape experience less resistance when moving at high speeds. This not only improves fuel efficiency but also enhances overall performance. Manufacturers invest significant resources in wind tunnel testing to analyze how different designs affect profile drag. By refining the contours and surfaces of vehicles, engineers can create cars that glide through the air with minimal resistance.In the realm of sports, profile drag is equally relevant. Athletes in sports like cycling and swimming strive to reduce their drag to enhance performance. Cyclists wear tight-fitting clothing and use aerodynamic helmets to minimize profile drag. Similarly, competitive swimmers often adopt specific techniques and wear streamlined swimsuits to reduce resistance in the water. Understanding the principles of profile drag can provide athletes with a competitive edge, allowing them to achieve faster times and improved results.Moreover, the impact of profile drag extends beyond individual performance; it has implications for environmental sustainability as well. By reducing drag in vehicles and aircraft, we can decrease fuel consumption and lower greenhouse gas emissions. This is particularly important in today’s context, where climate change and environmental concerns are at the forefront of global discussions. Engineers and designers are increasingly focused on creating products that are not only efficient but also environmentally friendly, and minimizing profile drag is a vital part of this effort.In conclusion, profile drag (剖面阻力) is a fundamental concept in aerodynamics that affects a wide range of fields, from aviation and automotive engineering to sports performance. By understanding and minimizing profile drag, designers and engineers can improve efficiency, enhance performance, and contribute to a more sustainable future. As technology continues to advance, the importance of mastering the principles of drag will only grow, shaping the way we design and interact with the world around us.