hydrodynamic thrust

简明释义

水动力

英英释义

例句

1.Engineers are studying how to improve the hydrodynamic thrust 水动力推力 of jet skis for better performance.

工程师们正在研究如何提高摩托艇的水动力推力 hydrodynamic thrust以获得更好的性能。

2.The design of the submarine's propeller is crucial for maximizing hydrodynamic thrust 水动力推力 during underwater missions.

潜艇螺旋桨的设计对在水下任务中最大化水动力推力 hydrodynamic thrust至关重要。

3.By optimizing the angle of attack, we can significantly increase the hydrodynamic thrust 水动力推力 generated by the fins.

通过优化攻角，我们可以显著增加鳍片产生的水动力推力 hydrodynamic thrust。

4.Understanding hydrodynamic thrust 水动力推力 is essential for designing efficient marine vessels.

理解水动力推力 hydrodynamic thrust对于设计高效的海洋船舶至关重要。

5.The research focused on the relationship between hull shape and hydrodynamic thrust 水动力推力 efficiency.

研究集中在船体形状与水动力推力 hydrodynamic thrust效率之间的关系。

作文

The concept of hydrodynamic thrust plays a crucial role in the field of fluid dynamics, particularly in the design and operation of aquatic vehicles such as submarines and ships. Essentially, hydrodynamic thrust refers to the force exerted by water on an object moving through it, which is a result of the interaction between the object's shape and the properties of the fluid. Understanding this phenomenon is vital for engineers and designers who aim to optimize the performance and efficiency of marine vessels.When a vessel moves through water, it displaces the fluid, creating pressure differences around its hull. The shape of the hull significantly influences the amount of hydrodynamic thrust generated. For instance, a streamlined design minimizes resistance and maximizes thrust, allowing the vessel to move faster and consume less energy. This is why modern ships and submarines are often designed with sleek, hydrodynamic shapes that enhance their performance.In addition to vessel design, the angle of attack also affects hydrodynamic thrust. When a ship’s propeller or fins are positioned at an optimal angle, they can generate greater thrust, enabling the vessel to maneuver more effectively. This principle is similar to how airplane wings generate lift; both rely on fluid dynamics to achieve their respective goals. Engineers must carefully calculate these angles to ensure that the vessel operates efficiently under various conditions.Moreover, the speed at which a vessel travels directly correlates with the hydrodynamic thrust produced. As speed increases, the water flow around the hull changes, which can either enhance or reduce thrust depending on the design. At certain speeds, known as critical speeds, a vessel may experience increased drag, which can counteract the thrust generated. This is why understanding the relationship between speed and hydrodynamic thrust is essential for optimizing vessel performance.Another important aspect to consider is the impact of environmental factors on hydrodynamic thrust. Variables such as water temperature, salinity, and density can all influence how water interacts with a moving object. For example, warmer water is less dense than colder water, which can affect buoyancy and thrust. Engineers must take these factors into account when designing vessels intended for different marine environments.In conclusion, the study of hydrodynamic thrust is integral to the advancement of marine technology. By understanding the forces at play when a vessel moves through water, engineers can create more efficient and effective designs that improve performance, safety, and fuel consumption. As technology continues to evolve, the principles of hydrodynamic thrust will remain a fundamental component of marine engineering, paving the way for innovations in underwater exploration and transportation.

“水动力推力”的概念在流体动力学领域中扮演着至关重要的角色，特别是在潜艇和船舶等水上交通工具的设计和操作中。基本上，水动力推力是指物体在水中移动时，水对其施加的力，这种力是物体形状与流体特性相互作用的结果。理解这一现象对于工程师和设计师来说至关重要，他们希望优化海洋船舶的性能和效率。当船只在水中移动时，它会排开流体，在其船体周围产生压力差。船体的形状显著影响生成的水动力推力的数量。例如，流线型设计最小化了阻力并最大化了推力，使船只能够更快地移动并消耗更少的能量。这就是为什么现代船舶和潜艇通常采用流线型的设计，以增强它们的性能。除了船舶设计，攻角也会影响水动力推力。当船舶的螺旋桨或鳍以最佳角度定位时，它们可以产生更大的推力，使船只能够更有效地操纵。这一原理与飞机机翼产生升力的方式相似；两者都依赖于流体动力学来实现各自的目标。工程师必须仔细计算这些角度，以确保船舶在各种条件下高效运行。此外，船舶行驶的速度与产生的水动力推力直接相关。随着速度的增加，水流过船体的方式发生变化，这可能会增强或减少推力，具体取决于设计。在某些速度下，称为临界速度，船舶可能会经历增加的阻力，这可能抵消产生的推力。这就是为什么理解速度与水动力推力之间的关系对优化船舶性能至关重要。另一个重要方面是环境因素对水动力推力的影响。水温、盐度和密度等变量都会影响水与移动物体的相互作用。例如，温暖的水比冷水密度低，这可能影响浮力和推力。工程师在设计旨在适应不同海洋环境的船舶时，必须考虑这些因素。总之，研究水动力推力对海洋技术的进步至关重要。通过理解船舶在水中移动时所涉及的力量，工程师可以创造出更高效、更有效的设计，从而提高性能、安全性和燃料消耗。随着技术的不断发展，水动力推力的原理将继续成为海洋工程的基本组成部分，为水下探索和运输的创新铺平道路。