hydrodynamic lift

简明释义

水动力升力

英英释义

例句

1.Understanding hydrodynamic lift (水动力升力) helps in designing efficient aquatic vehicles.

理解hydrodynamic lift (水动力升力)有助于设计高效的水上交通工具。

2.The concept of hydrodynamic lift (水动力升力) is crucial in the development of submarines.

在潜艇的发展中，hydrodynamic lift (水动力升力)的概念至关重要。

3.Engineers tested the hull shape to improve hydrodynamic lift (水动力升力) during their simulations.

工程师们测试了船体形状，以改善模拟中的hydrodynamic lift (水动力升力)。

4.A well-designed propeller can enhance hydrodynamic lift (水动力升力), allowing for better fuel efficiency.

一个设计良好的螺旋桨可以增强hydrodynamic lift (水动力升力)，从而提高燃油效率。

5.The design of the new racing boat focuses on maximizing hydrodynamic lift (水动力升力) to increase speed.

新赛车船的设计专注于最大化hydrodynamic lift (水动力升力)以提高速度。

作文

The concept of hydrodynamic lift is fundamental in the fields of fluid mechanics and engineering. It refers to the force that acts on a body submerged in a fluid, which is generated by the motion of the fluid around the body. This phenomenon is crucial for various applications, particularly in the design of boats, submarines, and aircraft that operate over water. Understanding hydrodynamic lift can help engineers create more efficient and effective vehicles that can navigate through water with reduced resistance and increased stability.To better understand how hydrodynamic lift works, we must first consider the principles of fluid dynamics. When an object moves through a fluid, it displaces the fluid around it. If the shape of the object is designed correctly, it can create differences in pressure on different sides of the object. For example, the wings of an airplane are shaped in a way that allows air to move faster over the top surface than the bottom surface, resulting in a pressure difference that generates lift. Similarly, in water, a well-designed hull can create a pressure differential that results in hydrodynamic lift, allowing the vessel to rise and glide above the water surface.One of the most significant applications of hydrodynamic lift is in the design of high-speed boats. These vessels often utilize planing hulls that can take advantage of the lift generated by their movement through the water. As the boat accelerates, the hull rises and reduces the wetted surface area, decreasing drag and allowing for higher speeds. This principle is not only applicable to recreational boats but also to racing yachts and military vessels, where performance and speed are critical.In addition to boats, hydrodynamic lift plays a vital role in underwater vehicles such as submarines. Submarines use adjustable fins and hydroplanes to control their depth and angle of ascent or descent. By manipulating these surfaces, submarines can generate lift and dive or surface effectively. This ability to control buoyancy and lift is essential for the maneuverability of submarines, allowing them to navigate complex underwater environments.Moreover, the principles of hydrodynamic lift are also applied in the field of marine biology. For instance, fish have evolved streamlined bodies that allow them to efficiently move through water while minimizing drag. The shape of a fish's body creates a favorable pressure differential that aids in their swimming abilities. This natural adaptation showcases the importance of hydrodynamic lift in the animal kingdom, highlighting its fundamental role in the survival and efficiency of aquatic creatures.In conclusion, hydrodynamic lift is a critical concept that underpins many aspects of fluid dynamics and engineering. Its applications range from the design of high-speed boats to the functionality of submarines and even the evolution of aquatic life. By harnessing the principles of hydrodynamic lift, engineers and scientists can continue to innovate and improve our understanding of fluid interactions, leading to advancements in technology and design that benefit both human endeavors and nature. As we explore further into this fascinating subject, it becomes clear that the study of hydrodynamic lift will remain a pivotal area of research for years to come.

“水动力升力”这一概念在流体力学和工程领域中是基础性的。它指的是作用在浸没在流体中的物体上的力，这种力是由流体围绕物体的运动产生的。这一现象对于各种应用至关重要，特别是在设计运行于水面上的船只、潜艇和飞机时。理解“水动力升力”可以帮助工程师创造出更高效、更有效的交通工具，使其能够在水中以较低的阻力和更高的稳定性航行。为了更好地理解“水动力升力”的工作原理，我们首先必须考虑流体动力学的基本原理。当一个物体在流体中移动时，它会排开周围的流体。如果物体的形状设计得当，就可以在物体的不同侧面产生压力差。例如，飞机的机翼被设计成一种形状，使得空气在上表面流动速度快于下表面，从而产生压力差，进而产生升力。同样，在水中，设计良好的船体可以产生压力差，从而导致“水动力升力”，使船只能够浮起并在水面上滑行。“水动力升力”的一个重要应用是高速船的设计。这些船只通常利用平面船体来利用其在水中运动所产生的升力。当船加速时，船体会上升，减少接触水面的面积，从而降低阻力，允许更高的速度。这一原理不仅适用于休闲船只，也适用于赛车游艇和军舰，在这些情况下，性能和速度至关重要。除了船只外，“水动力升力”在潜水器等水下交通工具的设计中也发挥着重要作用。潜艇使用可调节的鳍和水翼来控制其深度和上升或下降的角度。通过操控这些表面，潜艇可以产生升力，有效地潜水或浮出水面。这种控制浮力和升力的能力对于潜艇的机动性至关重要，使其能够在复杂的水下环境中导航。此外，“水动力升力”的原理还应用于海洋生物学领域。例如，鱼类进化出流线型的身体，使它们能够有效地在水中游动，同时最小化阻力。鱼体的形状产生有利的压力差，帮助它们游泳。这种自然适应展示了“水动力升力”在动物王国中的重要性，突显了它在水生生物的生存和效率中的根本作用。总之，“水动力升力”是支撑流体动力学和工程多个方面的关键概念。它的应用范围从高速船的设计到潜艇的功能，甚至包括水生生命的进化。通过利用“水动力升力”的原理，工程师和科学家可以继续创新，改善我们对流体相互作用的理解，从而推动技术和设计的进步，惠及人类事业和自然。随着我们进一步探索这一迷人的主题，显然“水动力升力”的研究将继续成为未来多年的重要研究领域。