two stroke cycle engine

简明释义

二冲程发动机

英英释义

例句

1.In some small outboard motors, a two stroke cycle engine is commonly used.

在一些小型舷外发动机中，通常使用二冲程发动机。

2.The two stroke cycle engine is known for its simplicity and fewer moving parts.

由于其简单和运动部件较少，二冲程发动机是知名的。

3.Many dirt bikes are equipped with a powerful two stroke cycle engine to enhance performance.

许多越野摩托车配备了强大的二冲程发动机以增强性能。

4.The lawnmower uses a two stroke cycle engine for its lightweight design.

这台割草机使用二冲程发动机，因为它的设计轻便。

5.The mechanic explained how a two stroke cycle engine operates differently from a four-stroke engine.

机械师解释了二冲程发动机与四冲程发动机的不同工作原理。

作文

The world of engines is vast and varied, with many different types designed for specific purposes. One of the most interesting types is the two stroke cycle engine, which has unique characteristics that set it apart from its four-stroke counterpart. Understanding how a two stroke cycle engine works can provide insight into its applications and advantages. A two stroke cycle engine completes a power cycle in just two strokes of the piston, which means it fires once every revolution of the crankshaft. This is in contrast to a four-stroke engine, which requires four strokes of the piston to complete a power cycle. The design of a two stroke cycle engine allows for a simpler, lighter engine because it does not require valves or complex timing mechanisms. Instead, it relies on ports for intake and exhaust, which opens and closes as the piston moves up and down. One of the main advantages of a two stroke cycle engine is its high power-to-weight ratio. Because it produces power on every revolution, it can generate more power from a smaller engine size compared to a four-stroke engine. This makes it particularly well-suited for applications where weight is a critical factor, such as in motorcycles, chainsaws, and outboard motors. However, there are also some disadvantages to consider. A two stroke cycle engine typically has higher emissions and lower fuel efficiency than a four-stroke engine. This is primarily due to the fact that some unburned fuel can escape through the exhaust port during the exhaust phase, leading to wasted fuel and increased pollution. As a result, many regions have implemented stricter regulations on two stroke cycle engines to mitigate their environmental impact. Despite these drawbacks, the simplicity and lightweight nature of a two stroke cycle engine continue to make it popular in certain industries. For example, in the world of sports, many racing enthusiasts favor two stroke cycle engines for their ability to deliver quick acceleration and high power output. Additionally, they are often easier to maintain and repair, making them a practical choice for recreational use. In recent years, advancements in technology have also led to improvements in the design and efficiency of two stroke cycle engines. Manufacturers have developed cleaner-burning fuels and better lubrication systems to reduce emissions and increase performance. This has allowed the two stroke cycle engine to remain relevant in a world that increasingly prioritizes environmental sustainability. In conclusion, the two stroke cycle engine is a fascinating example of engineering that offers both advantages and challenges. Its unique design allows for high power output in a compact form, making it ideal for various applications. While concerns about emissions and fuel efficiency persist, ongoing technological advancements may help address these issues. Understanding the workings and implications of a two stroke cycle engine provides valuable insights into the evolution of engine technology and its role in our everyday lives.

发动机的世界广阔而多样，设计有许多不同类型以满足特定目的。其中一个最有趣的类型是二冲程循环发动机，它具有独特的特性，使其与四冲程发动机区别开来。了解二冲程循环发动机的工作原理可以深入了解它的应用和优势。二冲程循环发动机在仅仅两个活塞行程中完成一个动力循环，这意味着它在曲轴的每次旋转中都会点火。这与四冲程发动机相反，后者需要四个活塞行程才能完成一个动力循环。二冲程循环发动机的设计使其成为一个更简单、更轻便的发动机，因为它不需要阀门或复杂的定时机制。相反，它依赖于进气和排气口，随着活塞上下移动而开启和关闭。二冲程循环发动机的主要优势之一是其高功率重量比。由于它在每次旋转中产生动力，因此能够从较小的发动机尺寸中产生比四冲程发动机更多的动力。这使得它特别适合那些对重量要求严格的应用，如摩托车、链锯和舷外发动机。然而，也有一些缺点需要考虑。与四冲程发动机相比，二冲程循环发动机通常具有更高的排放和较低的燃油效率。这主要是因为在排气阶段，一些未燃烧的燃料可能会通过排气口逸出，导致燃料浪费和污染增加。因此，许多地区已经实施了更严格的规定，以减轻二冲程循环发动机对环境的影响。尽管存在这些缺点，二冲程循环发动机的简单性和轻便性仍然使其在某些行业中受到欢迎。例如，在体育界，许多赛车爱好者青睐二冲程循环发动机，因为它们能够提供快速加速和高功率输出。此外，它们通常更容易维护和修理，使其成为休闲使用的实用选择。近年来，技术的进步也使得二冲程循环发动机的设计和效率得到了改善。制造商开发了更清洁的燃料和更好的润滑系统，以减少排放并提高性能。这使得二冲程循环发动机在一个日益重视环境可持续性的世界中保持相关性。总之，二冲程循环发动机是一个引人入胜的工程示例，提供了优势和挑战。其独特的设计允许在紧凑的形式中实现高功率输出，使其理想用于各种应用。尽管排放和燃油效率的问题仍然存在，但持续的技术进步可能有助于解决这些问题。理解二冲程循环发动机的工作原理和影响为我们提供了关于发动机技术演变及其在日常生活中作用的宝贵见解。