characteristic curve of screw propeller

简明释义

螺旋桨特性曲线

英英释义

例句

1.The engineer studied the characteristic curve of screw propeller to optimize the vessel's performance.

工程师研究了螺旋桨的特性曲线以优化船只的性能。

2.During the test, we measured the characteristic curve of screw propeller at various angles of attack.

在测试过程中，我们在不同攻角下测量了螺旋桨的特性曲线。

3.The ship's performance was evaluated based on the characteristic curve of screw propeller data.

船只的性能是基于螺旋桨的特性曲线数据进行评估的。

4.Understanding the characteristic curve of screw propeller is essential for predicting thrust at different speeds.

理解螺旋桨的特性曲线对于预测不同速度下的推力至关重要。

5.The characteristic curve of screw propeller indicates how efficiently a propeller converts engine power into thrust.

螺旋桨的特性曲线显示了螺旋桨如何有效地将发动机功率转化为推力。

作文

The design and performance of marine propulsion systems are crucial for the efficiency and effectiveness of ships. One of the key components in this system is the screw propeller, which converts rotational energy into thrust to propel the vessel forward. Understanding the performance characteristics of a screw propeller is essential for engineers and designers, and this is where the concept of the characteristic curve of screw propeller comes into play. The characteristic curve of screw propeller (螺旋桨特性曲线) is a graphical representation that illustrates how the propeller performs under various conditions, including different rotational speeds and loads.To comprehend the characteristic curve of screw propeller, one must first understand the factors that influence propeller performance. These factors include the diameter of the propeller, the pitch of the blades, and the fluid dynamics involved in the water flow around the propeller. Each of these elements plays a significant role in determining the efficiency and thrust produced by the propeller. The characteristic curve of screw propeller typically plots the thrust produced against the rotational speed, allowing engineers to visualize how changes in speed affect performance.In practice, the characteristic curve of screw propeller serves multiple purposes. Firstly, it helps in selecting the right propeller for a specific vessel. Different vessels have varying requirements based on their size, weight, and intended use. By analyzing the characteristic curve of screw propeller, engineers can determine which propeller design will yield optimal performance for a given application. Secondly, it aids in troubleshooting performance issues. If a vessel is not performing as expected, examining the characteristic curve of screw propeller can reveal whether the propeller is operating within its efficient range or if adjustments are needed.Moreover, the characteristic curve of screw propeller is also vital for fuel efficiency analysis. In an era where environmental concerns are paramount, understanding how to maximize thrust while minimizing fuel consumption is essential. By studying the characteristic curve of screw propeller, engineers can identify the most efficient operating points, which can lead to significant fuel savings over time.In conclusion, the characteristic curve of screw propeller (螺旋桨特性曲线) is a fundamental tool in marine engineering that provides valuable insights into the performance of screw propellers. It allows for better design choices, enhances troubleshooting capabilities, and promotes fuel efficiency. As technology continues to advance, the importance of understanding and utilizing the characteristic curve of screw propeller will only grow, ensuring that marine vessels operate at their best in an increasingly competitive and environmentally conscious world.

海洋推进系统的设计和性能对船舶的效率和有效性至关重要。其中一个关键组件是螺旋桨，它将旋转能量转化为推力，以推动船只向前。理解螺旋桨的性能特征对于工程师和设计师来说是必不可少的，而这就是螺旋桨特性曲线的概念发挥作用的地方。螺旋桨特性曲线（characteristic curve of screw propeller）是一个图形表示，说明了在不同条件下（包括不同的转速和负载）螺旋桨的性能。要理解螺旋桨特性曲线，首先必须了解影响螺旋桨性能的因素。这些因素包括螺旋桨的直径、叶片的螺距以及水流绕过螺旋桨的流体动力学。每个这些元素在决定螺旋桨产生的效率和推力方面都起着重要作用。螺旋桨特性曲线通常绘制出在不同转速下产生的推力与转速之间的关系，从而使工程师能够直观地了解速度变化如何影响性能。在实践中，螺旋桨特性曲线有多个用途。首先，它有助于为特定船舶选择合适的螺旋桨。不同的船舶根据其大小、重量和预期用途有不同的要求。通过分析螺旋桨特性曲线，工程师可以确定哪种螺旋桨设计将为给定应用提供最佳性能。其次，它有助于排查性能问题。如果一艘船的表现不如预期，检查螺旋桨特性曲线可以揭示螺旋桨是否在其有效范围内运行，或者是否需要调整。此外，螺旋桨特性曲线对于燃油效率分析也至关重要。在环境问题日益突出的时代，理解如何在最小化燃料消耗的同时最大化推力是至关重要的。通过研究螺旋桨特性曲线，工程师可以识别出最有效的操作点，从而在长时间内实现显著的燃料节省。总之，螺旋桨特性曲线（characteristic curve of screw propeller）是海洋工程中的一个基本工具，提供了关于螺旋桨性能的宝贵见解。它允许更好的设计选择，增强故障排除能力，并促进燃油效率。随着技术的不断进步，理解和利用螺旋桨特性曲线的重要性只会增加，确保海洋船舶在竞争日益激烈和环保意识日益增强的世界中发挥最佳性能。