screw wake

简明释义

螺旋桨伴流

英英释义

例句

1.When the jet ski accelerated, the screw wake formed behind it, making it harder for other boats to navigate.

当摩托艇加速时，后面形成的螺旋尾流使其他船只更难航行。

2.The screw wake from the large cargo ship was so powerful that it rocked smaller vessels nearby.

大型货船产生的螺旋尾流如此强大，以至于摇晃了附近的小船。

3.The boat created a large screw wake as it sped across the water, causing waves to crash against the shore.

这艘船在水面上快速行驶，产生了巨大的螺旋尾流，导致海浪拍打岸边。

4.The fisherman had to wait for the screw wake to settle before he could cast his line.

渔夫不得不等到螺旋尾流平静下来才能投下鱼线。

5.We learned how to ride the waves created by the screw wake of the passing yachts.

我们学会了如何乘着经过游艇所产生的螺旋尾流骑浪。

作文

The concept of screw wake is often discussed in the context of naval architecture and hydrodynamics. It refers to the flow pattern created behind a rotating screw propeller as it moves through the water. Understanding the screw wake is crucial for engineers and designers who aim to optimize the performance of ships and submarines. The screw wake can significantly affect the efficiency of propulsion systems, influencing factors such as thrust, drag, and fuel consumption.When a propeller rotates, it generates a cylindrical flow of water that trails behind it. This flow is not uniform; instead, it exhibits complex patterns due to the interaction between the propeller blades and the surrounding water. The screw wake consists of vortices and turbulent flows that can lead to a decrease in the effective thrust produced by the propeller. Designers must take these factors into account when creating new vessels to ensure they operate at maximum efficiency.Moreover, the characteristics of the screw wake can vary depending on several factors, including the design of the propeller, its rotational speed, and the vessel's speed through the water. For instance, a larger diameter propeller may produce a different screw wake compared to a smaller one, affecting how the vessel interacts with the water. Engineers use computational fluid dynamics (CFD) simulations to visualize and analyze these wake patterns, allowing them to make informed decisions about propeller design and placement.In addition to performance considerations, the screw wake also plays a role in environmental impact. The turbulence generated by the propeller can disturb marine life, particularly in sensitive ecosystems. Understanding the screw wake is essential for minimizing the ecological footprint of maritime operations. By optimizing propeller designs and operational practices, engineers can reduce the negative effects on aquatic habitats.Furthermore, the study of screw wake extends beyond military and commercial vessels. It is also relevant in the field of recreational boating. Enthusiasts and professionals alike must understand how their boats' propellers interact with water to enhance performance and safety. A well-designed propeller can improve speed and maneuverability while reducing fuel consumption, making it a vital aspect of boat design.In conclusion, the screw wake is a fundamental concept in the fields of naval architecture and hydrodynamics. Its implications reach far and wide, affecting everything from vessel efficiency to environmental sustainability. By gaining a deeper understanding of the screw wake, engineers and designers can create more effective and eco-friendly maritime solutions. As technology continues to advance, the ability to analyze and manipulate the screw wake will become increasingly important in our pursuit of efficient and responsible marine transportation.

“螺旋尾流”这一概念通常在海洋建筑和水动力学的背景下讨论。它指的是当旋转的螺旋桨在水中移动时，后面形成的流动模式。理解“螺旋尾流”对工程师和设计师来说至关重要，因为他们旨在优化船舶和潜艇的性能。“螺旋尾流”会显著影响推进系统的效率，影响推力、阻力和燃料消耗等因素。当螺旋桨旋转时，它会产生一个圆柱形的水流，沿着其后方延伸。这个流动并不是均匀的；相反，由于螺旋桨叶片与周围水体之间的相互作用，它表现出复杂的模式。“螺旋尾流”由涡旋和湍流组成，这可能导致螺旋桨产生的有效推力下降。设计师在创造新船舶时必须考虑这些因素，以确保它们以最大效率运行。此外，“螺旋尾流”的特性可以根据多个因素变化，包括螺旋桨的设计、旋转速度以及船舶在水中的速度。例如，较大直径的螺旋桨可能会产生与较小螺旋桨不同的“螺旋尾流”，影响船舶与水的互动。工程师使用计算流体动力学（CFD）模拟来可视化和分析这些尾流模式，从而使他们能够就螺旋桨的设计和放置做出明智的决定。除了性能考虑外，“螺旋尾流”在环境影响方面也起着重要作用。螺旋桨产生的湍流可能会干扰海洋生物，特别是在敏感生态系统中。理解“螺旋尾流”对最小化海洋运营的生态足迹至关重要。通过优化螺旋桨设计和操作实践，工程师可以减少对水生栖息地的负面影响。此外，“螺旋尾流”的研究不仅限于军用和商业船舶。在休闲船舶领域，它同样相关。爱好者和专业人士都必须了解他们船舶的螺旋桨如何与水体互动，以增强性能和安全性。设计良好的螺旋桨可以提高速度和机动性，同时减少燃料消耗，使其成为船舶设计的重要方面。总之，“螺旋尾流”是海洋建筑和水动力学领域的一个基本概念。它的影响广泛而深远，影响从船舶效率到环境可持续性的一切。通过更深入地理解“螺旋尾流”，工程师和设计师可以创造出更有效和环保的海洋解决方案。随着技术的不断进步，分析和操控“螺旋尾流”的能力将在我们追求高效和负责任的海洋运输中变得越来越重要。