wake resistance

简明释义

伴流阻力

英英释义

例句

1.Engineers tested the hull shape for optimal wake resistance during simulations.

工程师们在模拟测试中检验了船体形状以达到最佳的波浪阻力。

2.The new ship design features improved wake resistance, allowing it to glide through the water more efficiently.

新船设计具有更好的波浪阻力，使其能更高效地在水中滑行。

3.The racing yacht's sleek design minimizes wake resistance and maximizes speed.

这艘赛车游艇的流线型设计最小化了波浪阻力，最大化了速度。

4.Reducing wake resistance is crucial for enhancing fuel efficiency in marine vessels.

减少波浪阻力对提高海洋船舶的燃油效率至关重要。

5.A study showed that materials with a smoother finish can reduce wake resistance significantly.

一项研究表明，表面光滑的材料可以显著降低波浪阻力。

作文

In the realm of fluid dynamics and engineering, the term wake resistance refers to the drag force experienced by an object as it moves through a fluid, such as air or water. This phenomenon is particularly significant in the design of vehicles, ships, and aircraft, where minimizing resistance is crucial for enhancing efficiency and performance. Understanding wake resistance is essential for engineers and designers who aim to create streamlined shapes that reduce the turbulent wake behind moving objects.When an object travels through a fluid, it displaces the fluid in front of it, creating a high-pressure area. As the object continues to move, this fluid must flow back into the space left behind, resulting in a low-pressure wake. The turbulence generated in this wake contributes to wake resistance, which can significantly affect the object's speed and fuel consumption. For instance, a well-designed car can achieve better fuel efficiency by reducing the wake resistance it experiences at high speeds.In marine engineering, wake resistance plays a critical role in ship design. A ship's hull shape is meticulously crafted to minimize the wake produced as it sails through water. By optimizing the hull's form, engineers can decrease the energy required to propel the vessel forward, leading to lower operational costs and reduced environmental impact. Additionally, understanding wake resistance allows for improved maneuverability and stability, which are vital for safety in maritime operations.In aviation, the concept of wake resistance is equally important. Aircraft are designed with sleek, aerodynamic shapes to minimize drag as they fly. The wings, fuselage, and tail of an airplane are all engineered to reduce the size and intensity of the wake created during flight. This not only enhances fuel efficiency but also increases the aircraft's overall performance. Pilots are trained to be aware of wake resistance when flying in formation, as the wake created by one aircraft can significantly affect the performance of another flying closely behind.Moreover, advancements in technology have allowed engineers to simulate and analyze wake resistance using computational fluid dynamics (CFD). This powerful tool enables the modeling of fluid flow around objects, providing insights into how designs can be optimized to reduce resistance. By utilizing CFD, engineers can test various shapes and configurations without the need for physical prototypes, saving time and resources while improving overall design accuracy.In conclusion, wake resistance is a fundamental concept in fluid dynamics that has far-reaching implications across various fields, including automotive, marine, and aerospace engineering. By understanding and addressing this phenomenon, engineers can design more efficient vehicles, ships, and aircraft that not only perform better but also contribute to sustainability efforts. As technology continues to advance, the ability to analyze and minimize wake resistance will remain a critical focus for engineers seeking to push the boundaries of performance and efficiency in their designs.

在流体动力学和工程领域，术语wake resistance指的是物体在流体（如空气或水）中移动时所经历的阻力。这种现象在车辆、船舶和飞机的设计中尤为重要，因为减少阻力对于提高效率和性能至关重要。理解wake resistance对于旨在创造流线型形状以减少移动物体后方涡流的工程师和设计师来说是必不可少的。当一个物体通过流体移动时，它会在前面排开流体，形成一个高压区。随着物体继续移动，这些流体必须流回到留下的空间，从而产生一个低压尾流。这个尾流中产生的湍流会导致wake resistance，这可能显著影响物体的速度和燃料消耗。例如，一辆设计良好的汽车可以通过减少在高速行驶时所经历的wake resistance来实现更好的燃油效率。在海洋工程中，wake resistance在船舶设计中起着关键作用。船体的形状经过精心设计，以最小化在航行时产生的尾流。通过优化船体的形状，工程师可以减少推进船只所需的能量，从而降低运营成本并减少对环境的影响。此外，理解wake resistance还可以改善船只的机动性和稳定性，这对海上作业的安全至关重要。在航空领域，wake resistance同样重要。飞机的设计采用流线型的空气动力学形状，以最小化飞行时的阻力。飞机的机翼、机身和尾部都经过工程设计，以减少飞行过程中产生的尾流的大小和强度。这不仅提高了燃油效率，还增加了飞机的整体性能。飞行员在编队飞行时需要注意wake resistance，因为一架飞机产生的尾流可能会显著影响紧随其后的另一架飞机的性能。此外，技术的进步使工程师能够利用计算流体动力学（CFD）模拟和分析wake resistance。这一强大的工具使得能够模拟物体周围的流体流动，提供有关如何优化设计以减少阻力的见解。通过使用CFD，工程师可以测试各种形状和配置，而无需物理原型，从而节省时间和资源，同时提高整体设计的准确性。总之，wake resistance是流体动力学中的一个基本概念，在汽车、海洋和航空工程等多个领域具有深远的影响。通过理解和解决这一现象，工程师可以设计出更加高效的车辆、船舶和飞机，不仅性能更好，而且有助于可持续发展努力。随着技术的不断进步，分析和最小化wake resistance的能力将始终是工程师寻求推动其设计性能和效率边界的关键焦点。