hydrodynamic efficiency

简明释义

水动力效率

英英释义

例句

1.Engineers are constantly researching ways to improve the hydrodynamic efficiency of underwater drones.

工程师们不断研究提高水下无人机的水动力效率的方法。

2.The research focused on the hydrodynamic efficiency of different propeller designs for marine vessels.

研究集中在不同螺旋桨设计对海洋船舶的水动力效率的影响上。

3.The design of the ship's hull was optimized for maximum hydrodynamic efficiency, which translates to better fuel economy.

船体的设计经过优化，以实现最大水动力效率，这意味着更好的燃油经济性。

4.By using computational fluid dynamics, we can simulate and enhance the hydrodynamic efficiency of our models.

通过使用计算流体动力学，我们可以模拟并提高我们模型的水动力效率。

5.A higher hydrodynamic efficiency in racing cars can lead to improved speed and handling on the track.

在赛车中更高的水动力效率可以提高赛道上的速度和操控性。

作文

In the field of fluid mechanics, the term hydrodynamic efficiency refers to the effectiveness with which a fluid moves through a given system. This concept is particularly important in various engineering applications, such as the design of ships, submarines, and even in the development of efficient pumping systems. Understanding hydrodynamic efficiency can lead to significant improvements in performance, energy consumption, and overall operational costs. To grasp the importance of hydrodynamic efficiency, one must first consider the principles of fluid dynamics. When a fluid flows through a medium, it experiences resistance due to friction and turbulence. These factors can greatly impact the speed and efficiency of the flow. For example, in naval architecture, the hull shape of a ship is meticulously designed to minimize drag and maximize hydrodynamic efficiency. A well-designed hull allows the vessel to glide through water with minimal resistance, leading to lower fuel consumption and faster speeds.Moreover, hydrodynamic efficiency is not limited to large vessels. It also plays a crucial role in the design of small-scale systems, such as those found in hydraulic machinery or even in the human body. For instance, fish have evolved streamlined bodies that enhance their hydrodynamic efficiency, allowing them to swim swiftly while expending minimal energy. Similarly, engineers strive to create pumps that operate with high hydrodynamic efficiency, ensuring that they deliver fluids effectively without wasting power.One of the key factors that influence hydrodynamic efficiency is the Reynolds number, which is a dimensionless quantity that helps predict flow patterns in different fluid flow situations. A low Reynolds number indicates laminar flow, where the fluid moves in parallel layers with little disruption. In contrast, a high Reynolds number signifies turbulent flow, characterized by chaotic changes in pressure and velocity. Engineers often aim to maintain an optimal Reynolds number in their designs to enhance hydrodynamic efficiency.In recent years, advancements in computational fluid dynamics (CFD) have allowed researchers to simulate fluid flow more accurately than ever before. These simulations provide valuable insights into how modifications in design can improve hydrodynamic efficiency. By analyzing the flow patterns around various shapes, engineers can make informed decisions to optimize their designs for better performance.In conclusion, hydrodynamic efficiency is a critical aspect of fluid mechanics that influences the performance of various systems, from large ships to small pumps. By understanding and optimizing this efficiency, engineers can achieve better performance, reduce energy consumption, and lower operational costs. As technology continues to advance, the importance of hydrodynamic efficiency will only grow, making it a vital area of study in engineering and environmental science.

在流体力学领域，术语水动力效率指的是流体在给定系统中移动的有效性。这个概念在各种工程应用中尤其重要，例如船舶、潜艇的设计，甚至在高效泵系统的开发中。理解水动力效率可以显著改善性能、能耗和整体运营成本。要理解水动力效率的重要性，首先必须考虑流体动力学的原理。当流体通过介质流动时，由于摩擦和湍流，它会经历阻力。这些因素会极大影响流动的速度和效率。例如，在海军建筑中，船体的形状经过精心设计，以最小化阻力并最大化水动力效率。一个设计良好的船体能够让船只在水中滑行，减少阻力，从而降低燃料消耗并提高速度。此外，水动力效率不仅限于大型船只。它在小型系统的设计中也起着至关重要的作用，例如在液压机械或人体内。例如，鱼类进化出流线型的身体，以增强其水动力效率，使其游泳迅速且能量消耗最小。同样，工程师们努力创造高水动力效率的泵，确保它们有效地输送流体而不浪费动力。影响水动力效率的关键因素之一是雷诺数，这是一种无量纲量，有助于预测不同流体流动情况下的流动模式。低雷诺数表示层流，其中流体以平行层流动，几乎没有干扰。相反，高雷诺数则表示湍流，其特征是压力和速度的混乱变化。工程师通常旨在在设计中保持最佳雷诺数，以提高水动力效率。近年来，计算流体动力学（CFD）的进步使研究人员能够比以往更准确地模拟流体流动。这些模拟提供了有关设计修改如何改善水动力效率的宝贵见解。通过分析各种形状周围的流动模式，工程师能够做出明智的决策，以优化他们的设计以实现更好的性能。总之，水动力效率是流体力学的一个关键方面，影响从大型船舶到小型泵的各种系统的性能。通过理解和优化这种效率，工程师可以实现更好的性能、减少能耗和降低运营成本。随着技术的不断进步，水动力效率的重要性只会增加，使其成为工程和环境科学中至关重要的研究领域。