wave drag
简明释义
兴波阻力
英英释义
Wave drag refers to the resistance experienced by an object moving through a fluid, particularly due to the formation of waves on the surface of the fluid. | 波阻力是指物体在流体中运动时所遭受的阻力,特别是由于流体表面波浪形成而产生的阻力。 |
例句
1.Sailboats are designed to harness wind power while minimizing wave drag.
帆船的设计旨在利用风能,同时最小化波浪阻力。
2.Engineers are constantly looking for ways to minimize wave drag in high-speed boats.
工程师们不断寻找方法来最小化高速船只中的波浪阻力。
3.The research focused on how different shapes affect wave drag.
研究集中在不同形状如何影响波浪阻力。
4.The design of the hull was optimized to reduce wave drag.
船体的设计经过优化,以减少波浪阻力。
5.A lower wave drag can significantly improve fuel efficiency.
较低的波浪阻力可以显著提高燃油效率。
作文
In the field of fluid dynamics, understanding the various forces acting on an object moving through a fluid is crucial. One such force is known as wave drag, which refers to the resistance experienced by a body as it moves through water or air, particularly at high speeds. This phenomenon is especially significant in naval architecture and aerodynamics, where the design of ships and aircraft must account for the effects of wave drag to optimize performance and efficiency.When a vessel or an aircraft travels through a fluid medium, it creates disturbances in the surrounding fluid. These disturbances lead to the formation of waves, which can generate additional resistance against the forward motion of the object. The concept of wave drag arises from this interaction between the moving body and the waves it produces. As speed increases, the energy required to overcome this resistance also rises, making it a critical factor in the design process.For instance, in naval engineering, the hull shape of a ship is meticulously crafted to minimize wave drag. A streamlined hull allows the vessel to cut through water more efficiently, reducing the energy lost to wave formation. Engineers often employ computational fluid dynamics (CFD) simulations to analyze how different hull designs perform under various conditions, aiming to achieve the optimal balance between speed and fuel efficiency.Similarly, in the aviation industry, the design of an aircraft's wings plays a vital role in managing wave drag. At transonic speeds, where the aircraft approaches the speed of sound, shock waves form around the wings, significantly increasing drag. To mitigate this effect, engineers develop wing designs that delay the onset of these shock waves, thus reducing wave drag and improving overall aerodynamic performance.Understanding wave drag is not only essential for engineers but also for athletes in sports such as swimming and cycling. Swimmers often strive to achieve a streamlined position to reduce their resistance in water, directly addressing the impact of wave drag on their speed. Similarly, cyclists may adopt specific postures to minimize wind resistance, which is akin to wave drag in air.In conclusion, wave drag is a fundamental concept in fluid dynamics that has far-reaching implications in various fields, from engineering to athletics. By comprehensively studying and mitigating the effects of wave drag, professionals can enhance the performance and efficiency of vehicles and athletes alike. As technology advances, the ability to accurately predict and manage wave drag will continue to play a pivotal role in the design and optimization of high-speed transportation systems.
在流体动力学领域,理解作用于物体在流体中运动时的各种力至关重要。其中一种力被称为wave drag,指的是物体在水或空气中高速运动时所经历的阻力。这种现象在船舶设计和空气动力学中尤为重要,因为船只和飞机的设计必须考虑wave drag的影响,以优化性能和效率。当一个船只或飞机在流体介质中移动时,它会在周围的流体中产生扰动。这些扰动导致波浪的形成,从而对物体的前进运动产生额外的阻力。wave drag的概念正是源于移动物体与其产生的波浪之间的相互作用。随着速度的增加,克服这种阻力所需的能量也随之上升,使其成为设计过程中的关键因素。例如,在海军工程中,船体形状经过精心设计,以最小化wave drag。流线型的船体能够更有效地切割水流,减少因波浪形成而损失的能量。工程师们通常采用计算流体动力学(CFD)模拟来分析不同船体设计在各种条件下的表现,旨在实现速度与燃油效率之间的最佳平衡。同样,在航空工业中,飞机机翼的设计在管理wave drag方面起着至关重要的作用。在跨音速飞行时,飞机接近音速,机翼周围会形成冲击波,这会显著增加阻力。为了减轻这种影响,工程师们开发出延迟这些冲击波出现的机翼设计,从而减少wave drag并改善整体气动性能。理解wave drag不仅对工程师至关重要,对游泳和骑自行车等运动员也是如此。游泳者通常努力达到流线型姿势,以减少在水中的阻力,直接应对wave drag对他们速度的影响。同样,骑自行车的人可能采取特定的姿势,以最小化风阻,这与空气中的wave drag类似。总之,wave drag是流体动力学中的一个基本概念,在各个领域都有深远的影响,从工程到运动。通过全面研究和减轻wave drag的影响,专业人士可以提高车辆和运动员的性能和效率。随着技术的进步,准确预测和管理wave drag的能力将继续在高速交通系统的设计和优化中发挥关键作用。