paddlewheel propulsion

简明释义

明轮推进

英英释义

例句

1.Many historical steamers relied on paddlewheel propulsion for their movement.

许多历史上的蒸汽船依靠桨轮推进来移动。

2.The design of the boat was optimized for paddlewheel propulsion to enhance speed.

这艘船的设计经过优化，以增强桨轮推进的速度。

3.The riverboat uses paddlewheel propulsion to navigate through the shallow waters.

这艘河船使用桨轮推进在浅水中航行。

4.In the museum, there is an exhibit showcasing the evolution of paddlewheel propulsion technology.

在博物馆里，有一个展示桨轮推进技术演变的展览。

5.The paddlewheel propulsion system allows for efficient movement in rivers and lakes.

这种桨轮推进系统使得在河流和湖泊中高效移动成为可能。

作文

The concept of paddlewheel propulsion has been a significant part of maritime history, particularly during the 19th century. This innovative technology was primarily used in steamships and riverboats, allowing them to navigate through shallow waters where traditional propellers would struggle. The paddlewheel propulsion system consists of large, rotating wheels mounted on the sides or at the back of the vessel. These wheels are equipped with paddles that push against the water, generating forward thrust. This method of propulsion not only enabled boats to travel efficiently but also contributed to the expansion of trade and transportation on rivers.One of the most notable examples of paddlewheel propulsion can be seen in the famous Mississippi River steamboats. These vessels became icons of American culture, symbolizing adventure and exploration during the era of westward expansion. The use of paddlewheel propulsion allowed these boats to carry passengers and goods over vast distances, significantly impacting the economy and lifestyle of the people living along the riverbanks.The design of the paddlewheel propulsion system is relatively simple yet effective. The paddlewheels are usually powered by a steam engine, which converts thermal energy into mechanical energy. As the steam engine operates, it turns the paddlewheels, creating a continuous motion that propels the boat forward. This system is particularly advantageous for navigating rivers with varying water levels, as the large surface area of the paddles provides better stability and control compared to smaller propellers.Despite its advantages, paddlewheel propulsion is not without its drawbacks. The design is less efficient than modern propulsion systems, especially in deep waters where propellers can operate more effectively. Additionally, the exposed nature of the paddlewheels makes them susceptible to damage from debris and other obstacles in the water. Over time, advancements in engineering have led to the development of more efficient and durable propulsion systems, resulting in a decline in the use of paddlewheel propulsion in contemporary vessels.However, the legacy of paddlewheel propulsion lives on in various forms. Many modern tourist boats and river cruise ships still utilize this classic propulsion method to provide an authentic experience for their passengers. Furthermore, the principles behind paddlewheel propulsion continue to inspire engineers and designers, leading to innovations in watercraft technology.In conclusion, paddlewheel propulsion is more than just a historical footnote; it represents a crucial advancement in marine technology that shaped the way we travel and trade on waterways. Its unique design and functionality highlight the ingenuity of early engineers and their ability to adapt to the challenges of their environment. While modern propulsion systems have largely replaced it, the charm and nostalgia associated with paddlewheel propulsion ensure that it remains a beloved aspect of maritime heritage.

“桨轮推进”这一概念在海事历史中占有重要地位，尤其是在19世纪。这项创新技术主要用于蒸汽船和河船，使它们能够在传统螺旋桨难以航行的浅水域中航行。“桨轮推进”系统由安装在船体两侧或后部的大型旋转轮子组成。这些轮子上装有桨，推动水面，从而产生向前的推力。这种推进方式不仅使船只高效航行，还促进了河流上的贸易和运输的扩展。“桨轮推进”的一个著名例子可以在著名的密西西比河蒸汽船中看到。这些船只成为美国文化的象征，象征着冒险和探索，尤其是在西进扩张的时代。“桨轮推进”使这些船能够运送乘客和货物，显著影响了沿河岸居民的经济和生活方式。“桨轮推进”系统的设计相对简单但有效。桨轮通常由蒸汽机驱动，蒸汽机将热能转化为机械能。当蒸汽机运转时，它转动桨轮，产生持续的运动，推动船只向前。这一系统在应对水位变化的河流时特别具有优势，因为桨的较大表面积提供了比小型螺旋桨更好的稳定性和控制力。尽管有其优势，“桨轮推进”也并非没有缺点。与现代推进系统相比，这种设计效率较低，特别是在深水中，螺旋桨的工作效果更佳。此外，暴露的桨轮使其容易受到水中碎片和其他障碍物的损害。随着时间的推移，工程技术的进步导致了更高效、更耐用的推进系统的开发，从而使“桨轮推进”在现代船只中的使用逐渐减少。然而，“桨轮推进”的遗产以各种形式延续至今。许多现代旅游船和河流游船仍然利用这种经典的推进方式，为乘客提供真实的体验。此外，“桨轮推进”的原理仍然激励着工程师和设计师，促使水面交通技术的创新。总之，“桨轮推进”不仅仅是历史的脚注；它代表了海洋技术的重要进步，塑造了我们在水道上旅行和交易的方式。其独特的设计和功能凸显了早期工程师的创造力，以及他们适应环境挑战的能力。尽管现代推进系统在很大程度上取代了它，但与“桨轮推进”相关的魅力和怀旧感确保它仍然是海事遗产中受人喜爱的一个方面。