atmospheric drag

简明释义

大气扰动

英英释义

例句

1.A streamlined design helps minimize atmospheric drag on cars.

流线型设计有助于最小化汽车的大气阻力。

2.The spacecraft experienced significant atmospheric drag during its re-entry into the Earth's atmosphere.

在飞船重新进入地球大气层时，经历了显著的大气阻力。

3.The team analyzed how atmospheric drag affects satellite orbits.

团队分析了大气阻力如何影响卫星轨道。

4.Engineers must calculate the atmospheric drag when designing high-speed aircraft.

工程师在设计高速飞机时必须计算大气阻力。

5.Reducing atmospheric drag is crucial for improving fuel efficiency in rockets.

减少大气阻力对提高火箭的燃油效率至关重要。

作文

When we think about the forces acting on objects in motion, one of the most significant yet often overlooked factors is atmospheric drag. This term refers to the resistance an object encounters when it moves through the atmosphere. It plays a crucial role in various fields such as aerospace engineering, sports science, and even everyday activities like driving a car. Understanding atmospheric drag is essential for optimizing performance and ensuring safety in numerous applications.In aerospace engineering, atmospheric drag is a critical consideration in the design of aircraft and spacecraft. As these vehicles travel at high speeds, they encounter air resistance that can significantly affect their performance and fuel efficiency. Engineers must calculate the amount of atmospheric drag an aircraft will face at different altitudes and speeds to ensure that it can operate efficiently. For instance, during takeoff and landing, an airplane experiences varying levels of atmospheric drag, which must be accounted for to achieve a safe flight path.Moreover, atmospheric drag is not only a concern for large vehicles but also for smaller objects such as sports equipment. In sports like cycling and skiing, athletes are constantly looking for ways to reduce atmospheric drag to enhance their performance. Cyclists often adopt aerodynamic positions and use streamlined helmets and clothing to minimize resistance from the air. Similarly, ski racers wear specially designed suits that reduce atmospheric drag, allowing them to reach higher speeds on the slopes. By understanding the principles of atmospheric drag, athletes can improve their techniques and achieve better results in competitions.The effects of atmospheric drag are also evident in everyday scenarios, such as driving a car. When a vehicle moves forward, it pushes against the air, creating a force that opposes its motion. This resistance can impact fuel consumption, particularly at higher speeds. Drivers may notice that their cars consume more fuel when traveling on highways compared to city driving, primarily due to increased atmospheric drag. Automakers often design vehicles with aerodynamic shapes to reduce this drag, enhancing fuel efficiency and overall performance.Furthermore, understanding atmospheric drag is vital in the context of environmental science. As we explore ways to reduce our carbon footprint, engineers and scientists are investigating how to design more efficient vehicles and aircraft that minimize atmospheric drag. Reducing drag not only improves fuel efficiency but also lowers greenhouse gas emissions, contributing to a more sustainable future. Innovations in technology, such as electric vehicles and advanced aerodynamics, are paving the way for a new era of transportation that prioritizes efficiency and environmental responsibility.In conclusion, atmospheric drag is a fundamental concept that impacts various aspects of our lives, from transportation to sports and environmental sustainability. By gaining a deeper understanding of this phenomenon, we can make informed decisions and implement strategies that enhance performance while minimizing negative consequences. Whether we are engineers designing cutting-edge aircraft, athletes striving for excellence, or everyday drivers seeking fuel efficiency, recognizing the importance of atmospheric drag enables us to navigate the challenges of motion in our atmosphere effectively.

当我们想到作用于运动物体的力时，一个重要但常被忽视的因素就是大气阻力。这个术语指的是物体在大气中移动时遇到的阻力。它在航空工程、运动科学，甚至日常活动如开车等多个领域中发挥着至关重要的作用。理解大气阻力对于优化性能和确保安全在众多应用中是必不可少的。在航空工程中，大气阻力是设计飞机和航天器时的关键考虑因素。当这些飞行器以高速旅行时，它们会遭遇空气阻力，这可能显著影响它们的性能和燃油效率。工程师必须计算飞机在不同高度和速度下将面临的大气阻力量，以确保其能够高效运作。例如，在起飞和着陆期间，飞机经历不同程度的大气阻力，这必须考虑在内，以实现安全的飞行路径。此外，大气阻力不仅仅是大型飞行器的关注点，对于小型物体如运动器材也是如此。在自行车和滑雪等运动中，运动员不断寻找减少大气阻力的方法，以提高他们的表现。自行车手通常采用空气动力学姿势，并使用流线型头盔和服装来最小化空气阻力。同样，滑雪比赛中的选手穿着专门设计的服装，以减少大气阻力，使他们能够在坡道上达到更高的速度。通过理解大气阻力的原理，运动员可以改进他们的技术，在比赛中取得更好的成绩。在日常场景中，大气阻力的影响也很明显，比如开车。当一辆车向前移动时，它推动空气，产生一种反对其运动的力。这种阻力会影响燃油消耗，特别是在高速行驶时。驾驶员可能会注意到，当在高速公路上行驶时，他们的汽车比在城市驾驶时消耗更多的燃油，这主要是由于增加的大气阻力。汽车制造商通常设计流线型的车辆，以减少这种阻力，提高燃油效率和整体性能。此外，理解大气阻力在环境科学的背景下也至关重要。随着我们探索减少碳足迹的方法，工程师和科学家正在研究如何设计更高效的车辆和飞机，以最小化大气阻力。减少阻力不仅提高了燃油效率，还降低了温室气体排放，为更可持续的未来做出贡献。电动车和先进空气动力学等技术创新正在为交通运输的新纪元铺平道路，优先考虑效率和环境责任。总之，大气阻力是一个基本概念，影响着我们生活的各个方面，从交通运输到运动和环境可持续性。通过深入理解这一现象，我们可以做出明智的决策，并实施增强性能的策略，同时最小化负面影响。无论我们是设计尖端飞机的工程师，追求卓越的运动员，还是寻求燃油效率的普通驾驶员，认识到大气阻力的重要性使我们能够有效应对大气中运动的挑战。