profile drag coefficient

简明释义

形状阻力系数

英英释义

例句

1.Engineers used advanced simulations to calculate the profile drag coefficient 阻力系数 of the new aircraft model.

工程师们使用先进的模拟技术来计算新飞机模型的阻力系数。

2.The race car's design was optimized to reduce the profile drag coefficient 阻力系数, enhancing its speed on the track.

赛车的设计经过优化，以减少阻力系数，提高其在赛道上的速度。

3.Cyclists often wear streamlined helmets to minimize their profile drag coefficient 阻力系数 during races.

在比赛中，骑自行车的人通常佩戴流线型头盔，以最小化他们的阻力系数。

4.A lower profile drag coefficient 阻力系数 can significantly improve fuel efficiency in vehicles.

较低的阻力系数可以显著提高车辆的燃油效率。

5.The research focused on how different shapes affect the profile drag coefficient 阻力系数 in wind tunnel tests.

研究集中在不同形状如何影响风洞测试中的阻力系数。

作文

The concept of profile drag coefficient is crucial in the field of fluid dynamics, particularly when analyzing the behavior of objects moving through a fluid, such as air or water. The profile drag coefficient is a dimensionless number that quantifies the drag or resistance experienced by an object due to its shape and surface characteristics. Understanding this coefficient is essential for engineers and designers who aim to optimize the performance of vehicles, aircraft, and other structures that interact with fluid environments.In essence, the profile drag coefficient measures how streamlined an object is. A lower coefficient indicates a more aerodynamic shape, which results in less drag force acting against the object as it moves. For example, a sleek sports car will have a much lower profile drag coefficient compared to a boxy SUV, meaning the sports car will experience less resistance from the air, allowing it to achieve higher speeds with greater fuel efficiency.The calculation of the profile drag coefficient involves several factors, including the object's shape, surface roughness, and the flow characteristics of the fluid. Engineers often use wind tunnel testing or computational fluid dynamics (CFD) simulations to determine this coefficient for various designs. These methods allow for precise measurements and adjustments to be made before the final product is manufactured.One of the most significant applications of the profile drag coefficient is in the aerospace industry. Aircraft design heavily relies on minimizing drag to improve fuel efficiency and overall performance. By optimizing the profile drag coefficient, engineers can ensure that aircraft can fly longer distances while consuming less fuel, which is increasingly important in today's environmentally conscious world.Moreover, the profile drag coefficient is not only relevant to vehicles but also to structures like bridges and buildings. Wind load calculations for these structures often involve understanding how the profile drag coefficient affects their stability and strength under various wind conditions. A well-designed structure will account for these forces to ensure safety and durability.In recent years, advancements in technology have allowed for more sophisticated analyses of the profile drag coefficient. Researchers are exploring new materials and shapes that can further reduce drag. For instance, the use of biomimicry—designing based on nature's models—has led to innovative solutions that enhance aerodynamics. Studying how certain animals, like dolphins or birds, move through their respective environments has provided insights into creating more efficient designs.In conclusion, the profile drag coefficient is a vital parameter in understanding and improving the interaction between objects and fluids. Its implications span across various fields, from automotive and aerospace engineering to architecture and environmental science. As we continue to innovate and seek sustainable solutions, mastering the principles behind the profile drag coefficient will remain essential for future advancements in technology and design.

“轮廓阻力系数”的概念在流体动力学领域至关重要，特别是在分析物体在流体（如空气或水）中移动的行为时。“轮廓阻力系数”是一个无量纲数字，量化了物体因其形状和表面特征而经历的阻力或抵抗。理解这个系数对于希望优化车辆、飞机和其他与流体环境相互作用的结构性能的工程师和设计师来说至关重要。从本质上讲，“轮廓阻力系数”衡量的是物体的流线型程度。较低的系数表示更具空气动力学的形状，这会导致物体在移动时受到的阻力较小。例如，一辆流线型的跑车将拥有比一辆方形SUV更低的“轮廓阻力系数”，这意味着跑车在空气中会遭受更少的阻力，从而以更高的速度和更大的燃油效率行驶。“轮廓阻力系数”的计算涉及多个因素，包括物体的形状、表面粗糙度和流体的流动特性。工程师通常使用风洞测试或计算流体动力学（CFD）模拟来确定各种设计的这个系数。这些方法允许在最终产品制造之前进行精确的测量和调整。“轮廓阻力系数”的一个重要应用是在航空航天工业。飞机设计严重依赖于减少阻力，以提高燃油效率和整体性能。通过优化“轮廓阻力系数”，工程师可以确保飞机在消耗更少燃料的情况下飞行更长的距离，这在当今环保意识日益增强的世界中变得愈发重要。此外，“轮廓阻力系数”不仅与车辆相关，还与桥梁和建筑等结构相关。这些结构的风载荷计算通常涉及理解“轮廓阻力系数”如何影响它们在各种风条件下的稳定性和强度。设计良好的结构将考虑这些力量，以确保安全性和耐久性。近年来，技术的进步使得对“轮廓阻力系数”的更复杂分析成为可能。研究人员正在探索新材料和形状，以进一步降低阻力。例如，仿生学的应用——基于自然模型的设计——导致了增强空气动力学的创新解决方案。研究某些动物（如海豚或鸟类）如何在各自的环境中移动，为创造更高效的设计提供了见解。总之，“轮廓阻力系数”是理解和改善物体与流体之间相互作用的重要参数。它的影响遍及多个领域，从汽车和航空航天工程到建筑和环境科学。随着我们继续创新并寻求可持续解决方案，掌握“轮廓阻力系数”背后的原理将对未来技术和设计的进步至关重要。